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Ok, everybody knows having trouble with 85 gn, got it fixed today!!!!! The orange wire, for the ecm that goes to the battery. Pull the connector apart and check BOTH ends. My wire looked brand new, but when I ran my fingers down the wire, I could feel it get smaller!!!!! Turns out I had 2...

Dave here again, with the 85 GN. Car is running pretty good, but have a quick question. The Cardone maf I bought I thought was working well. Took the car out for a spin with the t-link hooked-up, heres what i dont understand. I know the stock maf maxs out at 255. Mine is only showing 155 on...

You have all read my posts on fianally getting the 85 gn running.Seems to be running well. I am now trying to tune for more performance, have a t-link. The problem is adding more boost....screwing in the wg actuator 1 turn at a time, does not seem to increase the boost. Right now its at about 11...

Dave here again, with the 85 GN. Everybody knows the trouble I've had this car since I bought it. I have brand new 87 gm moduale and coil..... Also new factory Maf. This morning I got feed up....went to autozone bought a sorenson coil.......went to O'rielly's bought a re-manufactured Cardone...

Dave here AGAIN, with the 85 GN. Heres my question: Got car to run but its running real rough......idles good, but will only accel. if your easy on the gas. Lots of black smoke.... I tried unplugging the cam sensor and car drove exactly the same. I then tried unplugging the crank sensor and the...

Finally got the car running, here's the problem..... Car is idiling very well at about 750-800 rpm. When I take the car for a drive it doesn't run bad if I go real easy on the gas. Any more than that the car stumbles, tons of black smoke out the pipes. I can only get about 7-8 pounds of...

Dave here, fianaly got the 85 gn running..... I need to check if the turbo is working, everything is stock. Changed every sensor on car. not getting any boost. I took the "Y" restrictor out, went straight from the turbo to the actuator.....nothing. I thought this was suppose to give 12 lbs...

Hello everyone, Dave here again.....I took my 85 GN to the mechanic. He had the car for over 3 weeks. Since I bought the car about 3 months ago, it has never ran right...no boost, no power, running extremely rich??? Now the bad news.... after picking up the car last night it runs even...

Ok, I think I might fianally be getting somewhere. I believe the timing chain has "skipped". I will be getting to it maybe next week. I need to know if I should buy a stock(nylon) or upgrade to the metal kind. Any input would help....I need to get the parts ordered. Thanks again for all the...

Ok, just installed new parts......no change. The car will start and backfire every stroke. I have checked everything. I think its almost time to admit defeat. I think it almost has to be something in the motor. I dont have the knowledge or money to keep doing this. Does anybody know how much it...

Dave here again....... I have a quick question. I have been reading all the info/sites I can find on 85 GN's. I have an upgraded 87 coil. I understand how they are hooked up...1+4, 2+5, 3+6. They say it doesn't matter if they are swapped. 153in front or back of coil, I know the coil "towers" are...

Hello everyone, me again!!! Well after changing to plug wires back to how there suppose to be, it wont start!!!! I hate to keep trying because it is backfiring. Could I have blown the coil pack??? no codes in the computer. Can it be that flooded?? Should I try to start holding the gas to the...

Dave here again with the 85 GN. I just went out and checked the plug wires on the coil.....they were wrong!!!!! I changed them to what they said on the coil...153and 426. When I did this it wouldnt start......then a loud bang like a shot gun went off!!!! How do I know if this is a 86/87 coil...

Hi guys/gals. I have been reading on the site for about 3 months now. I fianally figured out I need help!!!! I have an 85 GN that I cant get to idle right. I bought a turbo link, and all numbers look good. How tight should the stock wastegate be??? I dont think I'm getting any boost. I have...