New Product RR-Racing ISF ECU Tune.... FINALLY!!!
#121
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R/T Tuning/Eurocharged
ABT
Eurocustoms
APR Claims 60 and I've personally seen more than that from their flashes...
Many NA cars have pretty crazy gains over factory software. Others are a struggle.
The 911 Carreras are always lucky to get 20hp :/ I have spent a lot of time trying very hard to get more than 20 or 25 hp from those and I just havent found it.
#123
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#125
I think some users remove the secondary cats and add a x pipe on the C63 but the gains are due to the engine being detuned from factory. For all we know Lexus could have held back power. I guess we will see with the next few cars that RR tweak.
#126
Lead Lap
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You can tell Lexus left a lot on the table for us, I mean 50+ WHP gains just from freeing up the exhaust system. No reason to believe they weren't extra conservative with the factory maps.
#127
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On SAE correction its common for a car to look underpowered... Just had a Aston Vantage V8 only put down 306hp. Dyno is a tool for measuring changes in a relatively safe(er) environment - its not a drag strip
#128
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Then again you have to realize the S65 M3 V8 is pretty strung out from the factory. They dyno stock similar to us but they are down 1 full liter of displacement. They need fancy goodies to produce 414bhp while working with 4 liters like revving pass 8000 and individual throttle bodies.
You can tell Lexus left a lot on the table for us, I mean 50+ WHP gains just from freeing up the exhaust system. No reason to believe they weren't extra conservative with the factory maps.
You can tell Lexus left a lot on the table for us, I mean 50+ WHP gains just from freeing up the exhaust system. No reason to believe they weren't extra conservative with the factory maps.
#129
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#130
Then again you have to realize the S65 M3 V8 is pretty strung out from the factory. They dyno stock similar to us but they are down 1 full liter of displacement. They need fancy goodies to produce 414bhp while working with 4 liters like revving pass 8000 and individual throttle bodies.
You can tell Lexus left a lot on the table for us, I mean 50+ WHP gains just from freeing up the exhaust system. No reason to believe they weren't extra conservative with the factory maps.
You can tell Lexus left a lot on the table for us, I mean 50+ WHP gains just from freeing up the exhaust system. No reason to believe they weren't extra conservative with the factory maps.
Anyway even tho I'm skeptical I hope this is true. I used to own an ISF and the no tuning/FI options are what caused me to move away. I wouldn't move back now but good for more competition.
#131
Lexus Test Driver
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LOLZ, FOR THOSE ISF'S OG WE ALL HAVE BEEN WAITING SINCE THE BEGINNING WHEN THE ISF 1ST LAUNCHED . SOME OF US WERE LUCK ENOUGH TO GOT INVITED TO THE 1ST ISF DEBUT HERE IN THE U.S AT FONTANA SPEEDWAY AND MOST OF US FALLING IN LOVE WITH THE F . AS THE SAME WITH LFA DEBUT TOO LOLZ WE DIDNT GET TO DRIVE IT BUT SITTING SHOTGUN AND LET THE PROFESSIONAL DRIVEN IT WAS PRETTY AWESOME SO THIS IS HUGE FOR THE F COMMUNITIES
#132
Lead Lap
iTrader: (7)
I'm not sure I agree considering you can get them to over 600whp on the stock bottom end w/ a blower. The biggest advantage to the extra L is TQ IMO.
Anyway even tho I'm skeptical I hope this is true. I used to own an ISF and the no tuning/FI options are what caused me to move away. I wouldn't move back now but good for more competition.
Anyway even tho I'm skeptical I hope this is true. I used to own an ISF and the no tuning/FI options are what caused me to move away. I wouldn't move back now but good for more competition.
You can also go forced induction with the S2000 and make 500+ WHP on the stock bottom.
#135
Pole Position
In your opinion what was Sard/Novel doing wrong in attempting to tune the ISF (North American market versions anyway)??