Thread: Tuning?
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Old 01-17-2006   #17
SlowWhite
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Join Date: Oct 2003
Location: Camden, S.C.
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Re: Tuning?

It was the V-clamp to the downpipe. My 02 sensor is connected to the downpipe not the o2 housing. But then again for the most part the downpipe was connected so it still should have been running fine.

I don't see why things all of a sudden changed, Last time at the track I was running 116oct still running 25-26psi. (cause I thought the EGT's where supposed to go down with race gas) Anyrate The car was running totally fine. I was running 12.0-12.1@116.9mph but pulling 1.9-2.0 60's. Anyrate On the last run I'd upped the boost to 28psi and on that run my turbo-exhaust manifold bolts came loose and I blew the gasket. (was running fine for 1and2 gear, went out in 3rd)

Since then I unbolted the turbo and took off the exhaust manifold that way I could install the 4th bolt for the turbo-exhaust manifold. (prior I was only running 3 bolts which I'm pretty sure is why the other bolts kept coming loose)

Anyrate After that I installed the 18.5lb radiator cap, and the sealed Coolant overflow, blew the alternator fuse, and had to replace my battery.

That's all I changed. I'll take the car out to Bee-Line Hwy hopefully tonight to do some tuning. And we'll see if the downpipe changed anything. I'm hoping that the downpipe being off slightly was causing the 02 sensor to mis-read the air.

But like I said I've turned the boost back down to 25psi which has been trouble free since I installed the motor, and I'll re-load my settings from when I ran my 11.7 and start from there. (Before I go though I'll do a boost leak test to see if my coupler is leaking (the one from the turbo to the FMIC has been giving me problems for sometime so that might be apart of it)
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1997 GSX - new ride
1997 GSX - dedicated track car
2004 R6 - sold
1992 GSX - sold
1996 GST - sold
1995 GSX - sold
Best 1/4 - 11.7 on 93oct
Best 1/4 MPH - 120mph
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