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i have an gn, w/36 injectors walbro pump,k&n cold air and many other babbles and bolt ons the last day at the track is this sunday so i decided to turn the boost up and i am affraid i may have given it a little too much i'm reading about 25lbs of boost but it's not knocking and the air/fuel...

i have an 86 gn, and i i am having some trouble getting it to run right it typically happens under boost but the car will cut out, the turbo will spit back as if the throttle had been shut and then it will spring back to life again, during that moment the check engine light will flash then go...

just wondering what a safe amount of boost i can run on pump gas, because the race gas is almost empty and i need to turn it down, to a street level again;)

i'm new with my 86 gn but the way i was told to turn up the boost was to turn the rod on the waste gate clockwise one full turn is about one pund of boost, now the gauge before read about 15psi if i was on it so i got some race fuel and wanted to bump it to 20psi, i did this by turning the rod...

well i've had the gn about 4 month's now and i can say for sure this is the most fun i've ever had driving a car granted it doesn't handle as well as a z28 but you really get alot of people pointing saying look a gn holy s**t,and i really like pulling up to the imports they think the car is a...

just bought a 86 gn seeing if anyone around the minneapolis area belongs to a club or knows about shows.:)

I own a 86 gn i bought it about 3 month's ago and i am just learning about buick in general. my question is or is it common to see only the right tire burning rubber in my mirror personally i found it a little embarrising,granted the mustang was still in my mirror, but is this a common...

I ASKED THIS QUESTION A MONTH BACK, BUT WENT OUT OF TOWN AND DIDN'T HAVE A CHANCE TO SEE THE REPLIES. I HAVE A 86 GN WITH AN ADJUSTABLE FUEL PR,HOOKER EXHAUST,CHIP,36# INJECTORS,HOT WIRED PUMP,SLICKS,THE TRANSMISSION HAS BEEN BUILT WITH A HEEL OF A SHIFT KIT I DON'T KNOW BY WHO SO I DON'T KNOW...

What would an 86 GN with an adjustable wastegate, hot wire kit, ColdAir, Adj FPR, bluetop injectors 34#, Hooker complete exhaust, and some MT slicks? how much potential does this setup have, and what are some really beneficial upgrades at this point? new here, thats why i ask....

A freind of mine has just purchased an 86 GN, it has been repainted, and the badges have not been put back on, but he does have them, he wanted me to check on here(he doesnt have internet access) to see if i could get some pics of where they go. he has three GrandNational badges and two...