j's header and 70rr= lean
08-24-2006, 11:29 AM
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j's header and 70rr= lean
I just got my car tuned by Giles of Hollyroller dyno. He said that before tunning my car was running way too lean. The only mods i had were comptech intake, j's header and 70rr exhaust. I'm just giving a heads up to anyone out there running this set up without tunning. Giles suggested i got a compression test done because i was having some detonation at 8500 rpm.
08-25-2006, 07:35 PM
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Originally Posted by 00SpaYellow,Aug 24 2006, 11:29 AM
I just got my car tuned by Giles of Hollyroller dyno. He said that before tunning my car was running way too lean. The only mods i had were comptech intake, j's header and 70rr exhaust. I'm just giving a heads up to anyone out there running this set up without tunning. Giles suggested i got a compression test done because i was having some detonation at 8500 rpm.
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08-26-2006, 07:07 AM
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That's weird, I thought that MY00-01 cars ran very rich from the factory. I wouldn't think that I/H/E would really make your car run lean, how did it do that?
08-26-2006, 01:12 PM
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I was never told what the a/f ratio was but i was told that there was some detonation above 8500 rpm. I also didn't understand why the mods would cause it to run so lean, or why I only made 215 whp. Which is why i'm scared to do a compression test, I may find out some bad news. I just figured that i would post in this forum because I know there are a few people with this setup.
08-26-2006, 02:02 PM
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When I was running the J's header, Mugen CAI and Amuse dual R1- I was always told that I could be running lean but not at peak but more so around 2000-3000rpm. I have subsequently installed the J's ECU and colder plugs. No probs at all.