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I am looking for a set of HD rocker shafts for stock rockers. Mine broke the first time out this season. Thanks

I have a set of green stripe, 42.5# fuel injectors with 2k miles on them. They come with 2 chips. 1 is a reds 93 octane and the other is unknown manuafacturer but it is burned for the injectors and 93 octane. I am asking $185 shipped o.b.o. If you have any questions please let me know I will...

Does anyone that lives in the colder areas have trouble keeping a full tank of E85 over the winter without driving at all? Do I need to add any additives??:confused:

I am looking for a wastegate solenoid for a 87 GN. PM with offers.

For sale: Highly polished stainless steel up pipe with GReddy BOV. Drilled for alchy. Mandrel bent so no deep wrinkles. $175 shipped obo.

I am looking to try a mix of E85 and am wondering what would be the best mix? E85 and 93 or 87?? I am running .009's, walbro 340 hotwired, stock turbo and IC. My chip is just a TT .009 93 octane. Right now I am running 17 psi. 0 knock.

Car info: 87 GN Stock motor and turbo. 009 injectors, Walbro 340 FP (w/ hotwire), K&N cold air intake, everything else stock. Chip info below. I just got my Scanmaster hooked up and here are the numbers I have gotten... (All numbers are after car has warmed and in closed loop) #'s with...

Can anyone tell me the difference between an R4 and a LTR4 compressor. Can I use a R4 on my 87 GN converted to R134? Thanks

What is the difference between an R4 and LTR4 compressor. Can I use an R4 on my 87 GN converted to R134. Any help would be great!!

What is the difference between R4 and LTR4. Can I use a R4 compressor on my 87 GN converted to R134?? Any help would be great. :confused: :confused:

I just got my first GN and am having trouble with the routing of some vaccum lines. The engine was rebuilt about 1000 miles ago and I can even tell that the person that installed it didnt know turbo buick motors. According to: http://www.gnttype.org/techarea/engi...ac_federal.jpg the...

I just got my first GN and am having trouble with the routing of some vaccum lines. The engine was rebuilt about 1000 miles ago and I can even tell that the person that installed it didnt know turbo buick motors. According to: http://www.gnttype.org/techarea/engine/vacdiags/vac_federal.jpg...

I am in the market for a 86-87 GN. I live in Illinois and don’t mind traveling. I would like a car that has reasonable miles with good interior and body. Mods are ok but not necessary. I am more interested in the historical value of the car than doing a 10 sec 1/4 mile:smile: But will take...