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Need a little help or assistance possibly. I have an 86 GN with Turbo tweak chip, siemens injectors, stock turbo, adjustable waste gate, stock IC, built trans, and rear end. so the problem i'm having is under full throttle i'm having the car pop back and causing 25psi of boost, should be only...

So I have an 86 GN that I've owned since 2007. t-top car in really great condition for 92k original miles. I have siemens 60lb injectors with newer harness, accufab regulator, walbro 342 pump, adjustable waist gate with a Turbo tweak chip with baseline tune for 100 octane which gets expensive...

Ok I want some opinions and help fellas. its been awhile since I posted last..... Current setup 86 T-top GN internals original replaced injectors and harness... (siemens 60lb mototron injectors) Walbro 342 pump and hotwire harness Built trans (was told cottons built it 6 or 7 years before I...

Hey everyone, its been awhile since i've posted. I have gotten to a point where i would like to change a couple things....... a little bout the car..... sig explains most. i was thinking about; 1. RJC Powerplate "stock plenum" good idea? where to buy and how much should a guy pay? 2...

Hey everyone, i havent posted in a little while this summer. I wanna get the car out soon and maybe tune it a bit but i have questions. first the setup. Stock engine 91klicks. Cottons built 200r 4 with a 2800 red stripe converter. stock .342's with an auburn posi. Stock Turbo, Siemens 60lb...

Hey ya'll. I've been chasin some problems with my 86 GN. I've had a sputter, lean pop, ignition issue of some sort hounding me for a year now. This problem occurred when i bought it but then went away until early last year and came back. The car runs great until about 15lbs. of boost and then it...

to make a long story as short as possible. i posted about "lean out pop" a few weeks ago and thought i had i figured out with my fuel pressure dropping at WOT that i would need a new pump. i installed a walbro and hotwire kit. at the time i was doing this i installed a hotchkis TVS suspension...

Ok, changin a few things this coming week. as my signature says, 86 GN with 2800 redstripe conv. cottons 200r4, auburn posi w/3.42's. flowmaster duals with no cat. I am upgrading to walbro with hotwire, 60lb. mototrons flow matched with the turbotweak chip. I'm also adding a hotchkis TVS system...

Ok. So I'm ordering a new pump, hot wire kit for the pump and injectors, ordering 60lb. injectors from turbotweak with a chip. (hopefully to correct the lean out problem i had). I have no cat. dual 40 series flowmasters :cool:, stock turbo, stock DP, auburn Posi, 2800rpm redline stall, well...

If someone could shed some light on this one i would really appreciate it. I have an 86 T-top GN with about 90k. It has a mild chip from about 7 years ago, (i bought it in march 07) auburn posi, 26 or 2800 rpm redline converter with what feels like some good internals in it. I have a pro comp...