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I have a 1986 GN. When i got it was stock. I have changed the chip and injectors with ones from Turbo Twitte. I just put in a new stage 1 transmission from Extreme Automatic. I have changed the coil pack and the tires. When I got this car it would turn the tires from a stand still and when the...

I need to change the transmission in the GN. I would like to go with a TH 350 or TH 400. What is the difference between a Th350 and a Th400? This is the main thing will they bolt up behind my engine? A lot of people on here say use a TH 400 but why not a 350.

Can someone please help me with these numbers. I just installed a new scanmaster in my car don't know if the numbers are good or not. The car is stock except for a Turbotweak chip and 42lb injectors Reading are: O2 -683 KN-00 AF- 04 L8- 31 BAT- 12.9 INT -128 BL- 121 MPH - 00 CLT- 193 ATS- HOT...

I have a 86 GN with this chip in it. I think that the car is completely stock. Can some one tell me what this chip is and what maybe the one I need to change to with injectors if it is still stock?

All most done with this one. My Son and l have done all of the body work. I am teaching him to paint. Before and after on the Vette. The GN is the new project, before all the hard work! I am blessed and I love it!:D:D:D:D Posted from the TurboBuick.Com mobile app

Anyone know of a Turbo Buick mechanic in or close to Aiken SC? Thanks :eek: Posted from the TurboBuick.Com mobile app

Hello, my name is Cliff, I have been on the site for a while now Though I would introduce myself. I have a 86 Grand National that needs a lot of TLC but I am just the person to give it some. I love these car and feel very blessed to have one. So get ready because I will be asking a lot of...