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Hi folks, I've just made a lot of changes to my 87 GN and the car's running rich. Changes include TT chip, hotwire, 255pump, TA49, LT1 MAF, 42lb injectors, TAperformance headers and 3" dp, wideband A/F gauge,. I just installed a powerlogger and I'm not sure how to interpret it. A./F is dropping...

Hi all, I have a 3" downpipe and 3" y-pipe from TAperformance. Everything cat back is stock. I don't know how it is in other states, but in California no garage nearby will touch helping me install the y-pipe (downpipe is already in). Does anyone have any tips on installing the y-pipe? I'd...

Hi all, Just looking for some insight. I've installed a new downpipe and noticed on the stock dp the connection between the elbow and pipe is "cushioned" with springs. My question then is, has there been an instance where the single piece downpipe plus engine movement has resulted in damage to...

Hi folks, My car's been sitting without oil for a couple of weeks after changing the headgaskets. I don't know at what point the oil pump loses prime and if it would be worth spinning the pump when I fill the car back up. I also have a new turbo, so my intuition says better safe than sorry, make...

Hi all, Figured I'd introduce myself! I recently bought my dream car, a 87 GN with 34,000 original miles. I first laid eyes on one about twenty years ago when my dad taught me the term "sleeper". I've wanted one ever since. It's stock apart from a chip and a Art Carr transmission upgrade from...