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Race Chip is V5.7 and the Alky chip should be as well. Been a little confused on the boost/FP tuning. I was under the impression that you set max boost level (25#) then either richen or lean from there. In my case it gained more MPH while I was leaning the car thus I continued to lean the car...

Last time out, I couldn't find the battery charger for the laptop with Direct Scan on it so I used my Scanmaster II. I have a TurboTweak race chip that I use at the track and last time out the O2s were 761 with .7deg timing retard, 25# boost and 26# Fuel pressure vacuum on (found track slip with...

I printed and have been reading the thread from above. Lots of information- Thanks. If possible I would like to meet "The Granny" at Baytown in about a month, just let me know the date as it gets closer. I've always tuned the car with C16 but have always second guessed myself on fuel pressure...

I was wondering if there would be any interest from anyone on helping me tune my 87 GN on alky. I've used alky on the street but at the track I've always reverted back to tuning on C16. San Antonio raceway or Baytown would be cool.

Will do. Talked to Bison yesterday. Thanks!

I've been trying to call (for 3 weeks) Turbonetics for a rebuild on the turbo, and not having any luck. Is there any other company/shops that rebuild turbo's?

I can't remember how close it came to the passenger side fender well. I will take check and post pics tomorrow. I have stock headers on the GN. ATR in sig. are for the exhaust pipe and mufflers, not the headers.

I bought the downpipe from a very reputable company that sells turbo Buick parts. It was supposed to be a genuine TH downpipe. I checked the waste gate and it seems to be moving very little. It was supposed to be a HD waste gate actuator from the same company. I had to get about 20#s of air...

Here's a pic of the puck on the TH downpipe. Turbo is toast :(, dang it. Any idea what would cause this?

I thought that boost would be affected by the puck not sealing? About 2 months ago I was able to run 25psi boost at the track and it seemed pretty stable at that level. Only thing, I do remember is that I had to really work on getting the waste gate actuator rod on the waste gate. I had to...

Thanks for all the replies. Well, it looks like it's the hot side impeller of the turbo. Looks like there's a chunk missing from the impeller. See picture below. I guess this would cause the loud spooling sound with no boost. I still don't understand why the GN would have lost fuel pressure like...

So Saturday I was driving the GN around and decided to gradually get into the throttle, boy did it feel good. So I decided to gradually get into it again and then I commence to hear this sound under the hood- it sounded like there was a balloon deflating but someone was stretching the balloon...

Thanks for the offers.- I purchased one this morning.

Wanting to purchase a known good stock AC MAF sensor for 87 Buick GN.

My Buick doesn't seem to be running near the potential of my current setup. Seems that my car is still to lean on the top side. Since my original problem http://www.turbobuick.com/forums/general-turbo-buick-tech/205364-fuel-pressure-problems.htmlI I have added alky, 60# inj., Supra 280 fuel...

Local distributor is Victoria, Tx. carries Chevron methanol at 3.25/gal. Anyone use Chevron methanol?

Let me know if the injector deal falls through. I'll take them.

Very interested in the injectors. Do you have a chip to go with them?

smokin'6- check your email. Does it have a 3 bolt or 4 bolt flange?

Still available? Very interested. Price?