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Good morning everyone, I wanted to post my numbrs so I could get feedback on what everything thinks. Along with the scanmaster numbers I will include the mods on the car. Thanks for looking and for any advice given. The transmission is with Lonnie getting turned into a stage 2. Hopefully in...

I am trying to sell or trade my Custom 66, 3-bolt turbo from GN1Performance for a TA-49. I bought this turbo not know enough about them and it is just too big for my build. There is less than 500 miles on the unit that was put on a freshly rebuilt motor so boost was kept at "0" the whole time...

Hello all, I have a few parts that I removed from my 87 GN and would like to sell. All parts have been removed around 97,000 miles. Please make an offer for anything you see, This is the first time I am trying to sell on a forum so bare with me. I will most likely ship FedEx as it is close to...

Good day, New to TB but long time fan of Buicks and Grand Nationals. Down and dirty here it goes. If I get on the pedal it will start to take off then BOOM, my up pipe blows off my throttle body. I am thinking it may be tired out screw clamps just not being able to hold it together anymore...