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CAMS!!!!
Posted by GM (more from GM) on Sat, 22 Oct 2005 07:19:33
In Reply to: Re: gt28 or gt30, vigge, Sat, 22 Oct 2005 05:33:18
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I have a 88 SPG with the following mods
B202 built by Dave/Lesco
JE piston (.020 over I beleive), knife edge crank etc...
2.1 head ported/etc
2.1 intake
JK extractor
HKS/Supra FMIC
774cc injectors - 3 bar
3 in turbo back exh
GT3071r (64 trim)
ext wg
autronic ECU
with aftermarket Lesco cams my car was a 5K to 5.5K++ car (redline at 7400) & it wasn't very exciting anywehre. I would be at full boost around 4-4.5K however it was totally gutless under 5.5K. Then from 5.5K to 7.4K it still wasn't exciting even though it was dynoed over 300 whp.
So I then switched back to stock OEM cams (85 exh cam) & now I am at the full 22 PSI at 3600 RPM's & the response below 3600 is amazing. I would think with the proper hardware on a B235 motor you would be at full boost well before 3600 RPM's & that is IF the ECU is programmed properly & also with all the correct hardware.
With me, the cams killed the car!!
The GT3071r is designed for 2.0L cars like the evo 8 that it was designed for. For him to wait untill 4K++ there is definantly something wrong ESPECIALLY with all the work he as done to allow the engine to safely run that turbo!!
Do you have a dyno sheet on it?
posted by 71.65.6...
Posts in this Thread:
- more on this viggen vigge?, jak
, Fri, 21 Oct 2005 11:35:24- Re: more on this viggen vigge?, Vigge, Sat, 22 Oct 2005 04:14:16
- vigge, jak
, Sat, 22 Oct 2005 05:32:35 - gt28 or gt30, daveship, Sat, 22 Oct 2005 04:52:45
- Re: more on this viggen vigge?, Barry, Fri, 21 Oct 2005 19:13:56
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