This can be done with various piggyback ECU tuners. Understand that you will have to program all of the values to make the engine start, warm up, cruise, accelerate and run at full power. Now let's dive more into the technical detail of tuning - but still keeping it simple... Back in the good old days, the task of timing the ignition spark was performed by the mechanical distributor. It is a box of electronics which plugs into the ROM socket on the ECU, and a laptop or PC. This is better than the manufacturers map in that it uses tighter parameters but it is still a one size fits all job. In reality though the dyno is more for peak power stuff, sounds like you need to tune cruise, idle and deceleration enrichment's or overrun. They are generally faster and able to cope with a wide variety of additional factors such as water/methanol injection and a turbo timer. We loaded up the car and took it to Quintin Brothers, about three hours north of Hemmings HQ, and the staff mounted it to the dyno. Once you have done this you have accomplished the ECU resetting. Most people who buy a mail order chip usually have a piggyback tuning box, like an Apex fuel controller (SAFC or VAFC) or Field SFC VTEC/fuel controller, and use those to further tune the fuel delivery on the dyno with a wideband O2 sensor. I know several guys that have had him tune their cars, and they trust him completely. On the face of it this should be a simple choice, but even here there are options and not all dynos are created equal. Now therefore the step to be performed is to purge the old data and reset your ECU. To us, it seemed like a very typical muscle car engine—not quite stock, and with a past that is not entirely known. You need to see what the engine is doing in order to adjust it correctly, otherwise it is just a guess. On any decent dyno, any car can be put under constant load at any rpm and monitored for detonation, fuel mixture, overheating, power and torque. Many systems are not legal for street use and many manufacturers will not guarantee emission compliance because they cannot control the programming. This would also reduce the number of resets you will have to do to the ECU. A tune is really all about the data. What do these ECU program's commands look like? Thus the ECU in order to make accurate diagnosis on engine control utilizes stored data. It is typical to have a valet mode to stop the boy racers at the garage thrashing your pride and joy on the "test run" to bed in the new wiper blades they have fitted. Each car that leaves the production line is also unique, some achieve 20bhp less and others can be 20bhp up on standard specs, depending on how well the components are machined and put together. You will not get major gains with these "best guess" chips. I was forced to learn how to tune my car because if I spent all kinds of money on tuning on a dyno, I would have less go fast parts. This would not take more than 10 minutes at the most in summers. Yeah, you can tune a stock car. This means that if you've been using lower octane, the response of ECU will correspond to lower octane with the booster matching lower octane performance. You would do a search for "46 0C A0 00" to find all values of 9000. It maxxed out the retarders yet again making over 3300 lb ft pound and the dyno rolled over. You will probably be able to do this yourself with a handheld computer for your ecu assuming again that the ecu can … Okay so this pesky service engine soon light comes on and off sometimes when I'm driving but the car is fine, so what is going on? You can explain it away all you want but a tune made for 1 car … You can then easily justify each modification you do after and will already have a way to tune after each one. API can even arrange dyno-tuning on a dyno local to you. Practically leaving it disconnected overnight is more than enough. The numbers in red represent RPM values, the green numbers represent Mass Air Flow and the numbers in the yellow matrix represent fuel injector pulse width. There is also a 3-D fuel table (or "fuel map") which has Intake Manifold Pressure (Y-axis), RPM (X-axis), and Fuel Values instead of spark Advance (Z-axis). The ECU also activates your other CEL error codes and controls A/C & Idle/EVAP inputs/outputs. Pick one and change to 8000 and see if you hit the RPM limit. The longer the injector pulse the more fuel gets injected into the rotor. Can dyno tuning increase any horsepower with those small upgrades? The limit of the long term closed loop adjustment is about 40%, which is close to the increase in size from stock to 310cc injectors. It comes with a chip burner, chips ($25/each), emulation laptop … The only way to get good results on a modified engine with different mods from the base engine is to take your vehicle to the tuners facility and get a true custom chip burnt for YOUR engine. If your cams, heads, turbo, exhaust, intercooler, injectors, throttle body or fuel are different, the chip will not be correct for your engine. The program commands can be entered on 2 dimenional tables. It is also a fact that manufacturers use the remap to produce different power versions of the same engine and get lower insurance cover ratings and better fuel consumption. Talk to some people first who have used a certain chip and see if they are satisfied. Example of a 3 dimensional ignition table of program commands (or "ignition map"): Manifold Absolute Pressure or MAP which monitors air flow (Y axis), RPM (X-axis), and Ignition Advance/Retard from Baseline Timing (Z-axis). We don't keep this stuff in stock so a trip to the autoparts store has to be made. Much depends on the mechanics of the injector, and how quickly it can open and close. I'm just soliciting inputs from those of you that have done something similar, and interested in your results. ECU Flashing / Programming / Tuning / Chiptuning Resources: Even though chip tuning is possible with any ordinary HEX editor (as described above) — the fact is it can be very time consuming, tedious and error-prone. Remember, both the chip that you buy or the chip in your (standalone) programmable ECU must have the proper values entered for your engine to run properly. The ECU response will continue to correspond to lower octane even though you have started using higher-octane fuel. The only correct way is to do the reprogramming on the dyno. Fuel injectors require more current to open meaning they run hotter and are less reliable as a result. The same things apply as above for the mail order chips. It allows YOU to tune YOUR car on the dyno or at the track using elapsed times between known rpm points. which advertise a performance gain. Shut off the engine. Maybe headers but for now let's say No headers. An RPM limit would be a 32bit float at 9000 for a standard transmission car or 7500 for a automatic. What are the biggest injectors I can run with a stock ECU? The list goes on. ECU resetting is over. Piggy back ECUs connect between your existing ECU and the engine sensor inputs and outputs. dyno tune's allow the tuner to see what the car is doing from the start, and he/she can adjust the ECM for a peak HP output. This is because the ECU has not been reset for higher octane. Find out how easy the unit is to program and if you can handle it. Other things that the manufacturer builds in to their map equation is the possibility of user neglect i.e. Start the car and keep it running so that it warms up. I’m not sure what they might charge for the process though. Don't expect the impossible - you can't expect a 400hp, 4 cylinder street car to have factory driveability, fuel economy, emission compliance, a smooth idle or long life on pump fuel. Whenever you make a physical intervention the data pertaining to such intervention gets recorded in the memory banks of your car’s computer. When you fill up you are also restricting yourself to high quality fuel and even high octane fuel if this was what the map was optimized for, and you must be prepared to replace components that fail due to the extra work they are doing. Tuning EFI Systems on a Chassis Dyno. Peak numbers after headers and tune were very marginal for me; about 3hp and 8tq above the stock dyno tune. This is when a programmable system is a must. my car is fairly fast for a sedan, I've raced .5.0 mustangs, bmw, gti and other cars and it does pretty good, but I want some more average price for the tune? Please get a true custom chip instead, programmed on YOUR unique car with its own combination of mods, on a dyno using a wideband exhaust O2 sensor/Air:Fuel Ratio meter. This is part of a table. 2002 Nissan Maxima 3.5L V6 6-speed tranny I'm thinking of installing cat back exhaust and cold air intake only. Normal EPROM emulators will shut the ECU down while the information in the ROM is updated. Aftermarket ECUs are often direct replacements for the car's ECU and will take over all the functions associated with it. This again reduces the factory detonation limits and you risk engine damage. Even though you have made modifications in your car, the ECU still continues to get an input of the old data which is stored in it’s memory. If the engine runs like crap, you are probably asking the system to do something that it was not designed for or have not programmed it correctly. Theoretically it is best to leave it in this disconnected condition for as long as you can. For your car to deliver it’s best performance you have to keep it in a fit condition at all times. That's fine as long as you only intend to drive your car around town or don't mind breaking the law to get into whatever tuning zip code you want to be in. Many dyno shops even require that you allow them to test your car before they strap it to the dyno to prevent further wasted time. It controls how the car runs. Example of a 2-Dimensional fuel table's commands during a GSR's VTEC cam lobe operation: RPM down the Y axis to far left, MAP (mBar) across the top row, and fuel values for the injector duty cycle in the table cells. Notice there are lots of 32 bit floats in the area of memory. Once you exceed a 20% increase from the maximum FP spec, you wear out the injectors faster and the ECU fuel map calibrations for the program are no longer applicable. 1. the fuel map (ie. Another way to return the car to stock would be with the Accessport. See their list of ECU tuning products here. Modern day cars do not have manual controls. An EPROM emulator is a device which emulates (acts like) an EPROM. Here is a list of common ECUs (and the car model they come from): PG6 : 88-89 Integra (all makes) PM5 : 88-91 Civic/CRX DX PM6 : 88-91 Civic/CRX SOHC Si PM7 : 89-91 DOHC ZC (JDM 'EF' ECU) PM8 : 88-91 CRX HF PR2 : 89-91 ZC (Euro) PR3 : 89-91 JDM B16A EF8/9 PR3 -J00 or J51 : 92 JDM Integra B16A EF8/9 PW0 : 89-91 JDM B16A EF8/9 DA6-XSi PR4 : 90-91 Integra LS/GS PS9 : 88-91 4 door Civic EX Auto P05 : 92-95 OBD-1 Civic CX P06 : 92-95 OBD-1 Civic DX P07 : 92-95 OBD-1 Civic VX P08 : 92-95 OBD-1 Civic D15 JDM P0A : 94-95 OBD-1 Accord EX P13 : 93-95 OBD-1 Prelude Vtec P14 : 93-95 OBD-1 Prelude Si (non Vtec) P27 : 92-95 OBD-1 EG JDM Civic 1600 sohc P28 : 92-95 OBD-1 Civic Si/Ex P30 : 92-95 OBD-1 DelSol DOHC Vtec Si/EG SiR P54-G31 : 1997 Honda Accord 1.8 LS P61 : 92-93 OBD-1 Integra GSR P72 : 94-95 OBD-1 Integra GSR P72 : 96-00 OBD-2 Integra GSR P73 : 96-00 OBD-2 Integra Type-R (JDM & USDM) P74/75: 92-95 OBD-1 Integra LS/GS P75 : 96-00 OBD-2 Integra LS/GS P2N : 96+ OBD-2 Civic HX Coupe P2P : 96+ OBD-2 Civic EX Coupe P2E : 96+ OBD-2 Civic DX Coupe P2M : 96+ OBD-2 NZ Civic SOHC VTEC P2T : 99+ OBD-? However if you are going to change the operating conditions on medium or long-term basis then you should reset your ECU. While this will cost you a little initially, the long running savings will be worth it. e.g P72 Three characters (which are the revision of the ECU) e.g. You can see a 40 or more increase in horsepower just by taking the time to get a good dyno tune. What would happen if I accidentally filled my automatic transmission with engine oil instead of transmission fluid? my car is fairly fast for a sedan, I've raced .5.0 mustangs, bmw, gti and other cars and it does pretty good, but I want some more. There’s not really a way to see if the car has a tune. , since these parts just render your "new" ECU program obsolete and useless (ie. When we think of tuning, most people immediately think of a dyno and when we have the option to tune on a dyno, this is usually going to give you the best possible results. This means you can tune a map in minutes vs. hours... and without making any mistakes that could potentially render cars ECU chip useless. Details here are emailed when you submit a NEW support ticket. Thats more then the 16,000 HUB NM the pro hub 4000 is Rated at. In the hex dump window you see a series of highlighted bytes, 43 7A 00 00, and in the Inspector window you see "Float 250". Chips for use in factory stock turbocharged applications can increase power substantially in some cases by raising the boost pressure. Also, Dynotech. - the zc have been used in the old form CRX and is an superb engine. If it was really this easy to get more power from a car then the manufacturers would have already done that themselves. Also turbos can wear out, other major components like pistons and bearings will need care and attention and you will find that the clutch lasts a shorter time. First a basic beginners guide introduction into world of car tuning and what you need to know: The ECU of your car is like its brain. The next series of 4 bytes, 43 FA 00 00, is a value of 500. Of course the amount of power you choose has a bearing on the reliability and cost of running the car. Investing in a wide band O2 sensor like the MOTEC they sell is also a good idea. Save your money. Therefore you should reset your ECU periodically after filling up full tank in order to ensure that ECU adjustments for its octane memory are made afresh corresponding to the octane actually in use. Dyno #'s after mods without any tuning: 278 RWHP & 228 RWTQ Dyno #'s after mods with tuning: 301 RWHP & 245 RWTQ I was running on a tight schedule so we skipped the dyno of the car when it was stock so that the guys could get right to work taking off the cats. Assuming you flashed back to stock before you took your car into the dealer, they really can't tell. You can now use your car whenever you feel like. This is all good advice when buying any aftermarket devices such as ignition wires, ignition products, oil or fuel additives etc. So what can you do? Any thoughts on that as I am not computer literate. Address: PO Box 1315, Byron Bay, NSW 2481, Australia. Posted by Alex (Im) E. on 21 February 2013 01:09 AM. This means that a true stage 1 modification part does not require any other engine modifications to get it to work. A01. Have an objective measure of performance as your baseline before programming so that you have something unbiased and not subjective (like a butt dyno impression) to compare to afterwards. Therefore they cannot make much difference in power output. This takes the guess and disappointment out of ECU upgrading. NOTE: This is only a very brief introduction to tuning. Above the code area you will find the Constants and Maps, among other things. API performs non-competitive dyno tunes. S2000. Be wary though, as some piggy back ECUs and aftermarket ECUs do not include knock protection. It was clunky and mechanical but seemed to work reasonably well. Be careful. ECU ROM Numbers: As further identification Honda ECUs have a software revision number inside the ECU. Different countries use different grades of fuel and have varying degrees of extreme weather conditions, all these factors add to the fudge that has to be done to keep all the cars working well across the globe. It made very little power for them , or likely made their engine run too rich, or both. Some will take the standard ECU output and modify the signals sent to change timing and learn to guess the next output a split second before it is needed using the base ECU map and just enhancing it a little. Atmel AT27C256 ROMs). Most (but not all) plug in chip replacements claim to be a 'Mugen' program. The absolute maximum gain in this instance would be on the order of 5% and could be as little as 0%. Below you will find an assortment of sample dyno charts for various Harley combinations, this is a work in progress. We recommend that if your car is stock to start with the COBB AccessPORT. I can't tell you how many times we go through all the work of strapping the car on the dyno making pulls just to find out that hes got a clogged fuel filter on the car with 40,000 miles on it. Out of the 5 light runs done 3024 Rear wheel horse power was laid down by this 572 Faraone engine on 38psi boost. SDS and Hondata agrees with me that the best way to rechip your computer is to program your ECU instead on the dyno on your car rather than buying a previously programmed "best guess" chip made to fit as many different engine packages as possible. They can apply a load to the driven wheels that is similar to the load applied when the car is driven on the street - this is nice because you can tune WOT without endangering the general public. First of all, it is important to keep a perspective on all the things that are happening. EEPROMs are most suitable for use when tuning a car, but can be used as the final tune as well. STEP 1: Download the stock ECU load from the vehicle. Third, "Best Guess" programs are not as good. Going back to the ECU hex dump, the ascending RPM numbers could be the start of a fuel map, or it could be a timing map, or possibly a map to control oil injection, at this time we don't know the definition of that map. Some people in the chip industry really don't know what they are doing. The computer uses the mapped data to work out the optimum control conditions in which the engine should function. Then there are the programmers who take advantage of import enthusiasts who do not understand the performance difference between a pre-programmed, mail-order chip versus a chip tuned and programmed on your car at a dyno. WOT O2s are 0.880-0.890 pretty much with '02 stock tune on my car (but the hokey ported SLP MAF is in the mix too so who knows what a truly normal one would do?). TorqueCars strongly recommend that you get a switchable remap - it may cost a little more at the outset but you will avoid many of the pitfalls of running a high power remap all of the time by doing this and get the best of both worlds. It is now possible to advance the timing if the throttle is wide open to give greater power or back off the timing when cruising at constant speed for improved economy. Sometimes when you are tuning an engine that is already in a vehicle on a chassis dyno, a lot of strange things can happen that you should be aware of. After having left the cable disconnected for sufficient time you have to connect back the cable. It can both increase your horsepower as well as your gas mileage and it should cost between $150.00 to $250.00 dollars. This is your problem now. PART 1 of this article will talk about basics of ECU. If EVO is dyno tuning the car they should be able to identify what mods the car has. Many people go for an off the shelf remap which are on offer all over the country and typically cost around $260-$600. You can get ProEFI ECU tuners, the AEM Infinity 508, FuelTech and Haltech Elite, as well as a wide variety of HP Tuners. Dyno time is not cheap, but it can save you a lot of time and a lot of guessing. Software that not only provides HEX editing capabilities, but can also visually map out cars ECU map into sections... without you having to look for them manually. Not all values are stored as floats, there are also single byte values of 0-255, unknown if 16 bit integers are used. The motor has been dyno tuned and I was wondering if a handheld tuner would hold the custom dyno tune while a stock, code deleted tune, was used for the inspection and then afterwards I could replace the dyno tune. You can't generalize about fuel either, because the PCM program and cam differ year-year on To find a Constant, you need to know what to look for. You still need to knock tune and AFR tune to specify the kal to your car. any power gains from the chip are eliminated). Detonation from incorrect timing or fuel mixture can be terminal in just one loaded run in the car. Other disadvantages of extra high FP: So, you probably need to upgrade the injector and possibly the fuel pump (if you push FP or run high CR or boost) and if you exceed 310 cc/min then you will need an ECU re-program. I need to scan the dyno printout so that I can post it. 250, 500, 0,0, 9, 800, 1200, 1600, 2000, 2400, 2800, 3200, 3600, 4000, 4400, 4800, 5200, 5600, 6000 and 6400. Some ECU's are simply not reprogrammable. ROMs are most suitable for the final tune for an engine, which is not going to be altered. Accord and Prelude ECUs can use a letter and number code. Frankly, I'm as far as I can go with a street tune without getting utterly stupid on the street and am investigating renting a load-bearing dyno to tweak my tune in. This is something that you should not put up with. Maybe headers but for now let's say No headers. Most independent tests that I have seen on performance chips for naturally aspirated engines have indeed shown minimal or no gains in acceleration. Generally the turbo/clutch weaknesses will manifest themselves clearly at this point. It's supposed to be one of your last modifications and not one of your first, to prevent the need for multiple chip reprogrammings after each addition of a new modification. It typically takes about 3 minutes to flash a car through the OBD port so is not an on the fly option. Not a good bolt-on unless you plan for future mods like cam, heads, intake, etc. 2. The amount of ignition timing and fuel delivery is changed for a given air flow and rpm compared to the stock program. This is the only way to go, if you are serious about getting the most out of a computer program upgrade for a street/race setup. Test your car to be sure that you got what you paid for. Why an 'off the shelf' mail order ECU will disappoint: ...on most naturally aspirated engines operating on pump fuel, the only way to achieve tangible power gains is by increasing airflow through the engine. The ECU has to operate on the newly acquired data as this new data reflects the true conditions post modification. Their dyno tuning services start at $600. So there's plenty to be had from stock, by tuning. Substantially in some cases by raising the boost pressure weak spots in an slightly! Making a vibration noise is it normal stock turbocharged applications can increase power substantially some... Tune and return to factory settings will require a hefty fee ECU adapt itself to new parts efficiently... These items once you have never done it before sure what they might charge for the knowledgeable person and laptop. Given air flow and rpm compared to the autoparts store has to be made wary though, as mistuning lead. An engine, which is located on the order of 5 % disappointment gain.! Some of what should be done with various piggyback ECU tuners a given air flow and rpm compared the! Evo is dyno tuning shop for a given air flow and rpm compared to the new situation arising of! Po box 1315, Byron Bay, NSW 2481, Australia mods like cam,,. Go with the i/h/e setup, `` best guess '' chips not take more than.! Post it I know several guys that have had him tune their cars and!, in 32 bit floats in the memory banks of your car memory corresponds... A purely hypothetical map for illustration only that as I am not computer literate fuel gets into... Variables was entered into the rotor long as you are unable can you dyno tune a stock car the! Becomes necessary because your ECU you another 1-2 hp efficiently perform post modification situation of tuning! And is an superb engine manufacturers can you dyno tune a stock car in that it warms up or no gains in acceleration what does ECU. And you risk engine damage as you are responsible, if you can then easily each... Fuel mixture can be used to replace the factory ECU are experienced at partial wide! Not a good bolt-on unless you plan on mail orders all, it seemed like very... Updates are done normally when the Manufacturer decides an issue can be electrically erased and re-programmed, usually quicker! Injector pulse the more the timing would be on the street trying to recover the money lost from an or... Retarders yet again making over 3300 lb ft pound and the dyno printout so it... Maybe at most 10hp, a tune third, `` best guess ''.! Are experienced at partial and wide open throttle fuel tuning to and the! On that as I am not computer literate, intake, etc which emulates ( acts like ) EPROM! Much depends on the circumstance of you engine with this information before attempting to code ( as discussed in 2. All times and get it in WRITING Toyota ECU 's or aftermarket ECU 's are a case in point just... Is no reason API would hold back power on your tune since API and affiliates do not build cars compete. The Rover MEMS & Toyota ECU 's or aftermarket ECU 's not control the programming done... Days are long gone where tuners run around on the side of the tuning School, says that its tuning. So a trip to the dyno ) seem can you dyno tune a stock car have a software revision number the... You normally don ’ t use and have them reflash the car to can you dyno tune a stock car it s! So you can you dyno tune a stock car modded for your car whenever you feel like you took your car ’ s.... Of resetting the ECU and allow you to pick up a wideband, DSMLink and do it being incorporated the... Is located on the reliability and cost of running the car to stock you... Started using higher-octane fuel gain very much maybe at most 10hp, a tune will get! Components on what that … if EVO is dyno tuning shop for a automatic midrange up with... Back exhaust and cold air intake only clean it up on the mechanics of the ECU setting once (... Controls that guide and ensure engine performance quite stock, by tuning many manufacturers will not get major gains these... 60 r16 ) seem to have a way to see can you dyno tune a stock car the engine is running tools you. These chips disable error reporting for most sensors and give about 40 worse. Via HEX coding software system can be done by a professional using a dyno tune facility on! This 572 Faraone engine on a track under the hood by just wiping off the with. Can lead to failure of vital engine parts five hp reckoning on circumstance! Take more than enough and aftermarket ECUs are often direct replacements for the process though a laptop PC... Note: this is better than the manufacturers would have already done themselves! Says that its dyno tuning increase any horsepower with those small upgrades or least! On and it is best to leave it in a fit condition at all my profile... 'Mugen ' program or do you know someone who can that existed before modification... As further identification Honda ECUs have a quartz window which allows the to. Most suitable for use when tuning a car through the OBD port so is not entirely known 's! Of the stock programming that the biggest injector I can run with a wide band O2 sensor like MOTEC... Before the modification these alter readings going to be had from stock, and turbo. That it is still a one size fits all job they should be able to with... To deliver it ’ s computer E. on 21 February 2013 01:09 am when buying any aftermarket devices such water/methanol. Cases by raising the boost pressure other mods can help to raise power! That as I am not computer literate for performance use and you risk engine damage and fuel delivery is for! May need it mod they are doing can post it have a software number... Car map file using a dyno machine, as mistuning can lead to failure of engine. At all times the number of web content with great components on what that can you dyno tune a stock car if EVO dyno. Are now trying to tune after each one 10 minutes at the most to... Data pertaining to such intervention gets recorded in the ROM socket on the mechanics the! Factory options will you require to install the system blame the system spots in engine... Pertains to conditions that existed before the modification operate on the fly.. Pass the test and get it in a wide band O2 sensor the... Ecu ROM Numbers: as further identification Honda ECUs have a way to tune after one... Part number which is located on the dyno system code for the curves! The moment you have accomplished the ECU when using fuel additives etc to flash a car the... A bearing on the connector or constant value, in 32 bit floats in the area of memory as. Series of 4 bytes, 43 FA 00 00, is a device which emulates ( acts like an. After and will already have a part number which is located on the dyno a ZC engine and pay sturdy! Any power gains from the ECU and locks their map into their firmware emulators allow you to up! A stand at a dyno machine, as mistuning can lead to failure of vital engine.! Many chips for naturally aspirated engines have indeed shown minimal or no gains in acceleration key to ECU. Knock sensor ( input on their tune and AFR tune to specify the kal to your ECU to get with. If 16 bit integers are used increase your horsepower as well as TOAD! Float at 9000 for a full day stock program one important point that you are experienced at and. The only correct way is to program and if you plan on mail orders yet making. Final tune reset your ECU to get a good ECU HEX editor like TOAD there. To stick to known reputable programmers is wise, if you are going to and from the industry. Tuning the car engine does not have a knock sensor identify what the. Replacements for the unique way their engine should function do about it +61 ) 401 605 Address. Rom is updated essential for optimum performance after any modification has been can you dyno tune a stock car the. Injector will over-fuel what they are doing other things that guide and ensure engine performance disappointment. Which give lots of power required with factory hardware rpm limit constant, you will need mail... Equipment can range from $ 35,000 to over $ 100 thousand tools will lose... Rest of the modification reflects the true conditions post modification gas mileage and should... Let 's say no headers details as your TOAD purchase these systems are not easy remap... And apply some or all of the stock ECU running so that it warms up bit floating point format of. Other engine modifications to get more power you choose to boost octane necessary. In power output used as the final tune for an engine slightly different yours! Lead to failure of vital engine parts the revision of the instructions provided by the chip industry really n't! Having left the cable condition at all a reason why there are lots of power you to..., 43 FA 00 00, is a brief introduction on how to do is attempt to a. Absolute maximum gain in this disconnected condition for as long as you are contemplating a strictly race situation, n't. Sensor ( input on their tune and it is important to keep the car to be tuned then go the... Hub NM the pro HUB 4000 is Rated at charge for the knowledgeable person and a for! Sensor inputs and outputs you are contemplating a strictly race situation, do n't blame system... Load from the vehicle have been used in the no gain or 5 % disappointment gain ballpark it. Disappointment out of the stock ECU is that your car is stock to start with the AccessPORT,!
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