jack123203 Posted December 10, 2014 Report Share Posted December 10, 2014 Hey I am a proud owner of a 99 grand prix GTP. it has 183XXX miles on it. I bought from some guy this summer up in duluth mn. The car has a K&N cold air, some smaller springs to lower it a little, that's all i'm aware of. The car was t-boned before i got it and was completely fixed, apparently it has a rebuilt tranny in it and the thing runs great. I don't know much about 3800 motors and im wondering what I should do to speed it up a little. I know the obvious answer is a smaller pully, which i was told it had but the thing looks stock size. The car has 183XXX miles on it but it still runs very nice and i don't know how far to go with mods. thanks for any suggestions. ill post pictures of the pully later Quote Link to comment Share on other sites More sharing options...
WhatTheFehl Posted December 10, 2014 Report Share Posted December 10, 2014 Headers, a proper CAI (I'd have to see which one you have), colder plugs (auto lite 104s), and she'll be pretty good to go. Get a tune, drop the pulley down to a 3.4 and she will be decently quick and decently reliable. Quote Link to comment Share on other sites More sharing options...
jack123203 Posted December 10, 2014 Author Report Share Posted December 10, 2014 Quote Link to comment Share on other sites More sharing options...
WhatTheFehl Posted December 18, 2014 Report Share Posted December 18, 2014 That definitely looks like the stock pulley. I imagine that intake would be alright. Quote Link to comment Share on other sites More sharing options...
95 vert Posted December 23, 2014 Report Share Posted December 23, 2014 Don't know if it's just me, but that pulley looks smaller than stock. I'd measure that just to be sure Quote Link to comment Share on other sites More sharing options...
tsilney Posted December 23, 2014 Report Share Posted December 23, 2014 Hard to tell from the camera angle but I agree it.looks.like a smaller pulley than stock. Quote Link to comment Share on other sites More sharing options...
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