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Are these transbrakes I've google ok? Does it change shift patterns and how are the activated. TIA

I'm a old guy who bought a '86 GN back in 1989. Back in the day, I was really into it, trying to not ruin it by modding it wrong, etc. Then work, kids and life got in the way. Many times I thought about selling it, but my wife and 4 kids just had a fit about it so I didn't. Well, then I got...

I've been offerred a 85 4.1 for free...Is it worth building? I'm going to put in steel caps and steel crank or should I stick with the 3.8? Been out of the Buick stuff since they built the GN. TIA

How do you know your fuel pump is keeping up? My GN is on e85, 78# injectors, 340 pump, Fast b to b. At the top of 3rd gear the engine noses over a little, the fast says it's pulling a little fuel out and the fuel pressure is rock steady at 60 psi. running 20 psi boost. Thanks in advance