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Looking for a new or used torque converter, the stock one is giving up - my specs on the '87 GN are below - I'm on the stock turbo but I'd like to go to a TA 49 or TE 44 maybe next summer. The car is a summer cruiser, so I don't need anything too crazy, but would prob like to upgrade from stock.

Hi, My '87 GN has been fine this summer but it started cutting out / sputtering for a minute when I was getting back to work one day. It's been fine for several short runs but the cutting out is back and getting worse / more consistent. I took a short powerlogger file with it just idling, and...

Looking for a decent used rad for '87 GN, I'm replacing a stock set up.

Could use some help from the tranny experts. My 2 - 3 shift got bad over the course of prob the last 1500 miles last summer to the point where it feels like it`s slipping into neutral. It would occur while city driving and medium acceleration. Tranny is all stock as far as I know. Any idea what...

Hey, Wondering if one of the pro's could examine the attached Powerlogger file? It's one of the first ones I've done and it was right after some re-tuning with the TT chip. (I didn't realize that taking out the ECM for the Pwrlogger install would erase any custom settings on the TT chip!)...

Looking for a new or used scanmaster

Need 3" downpipe and cat converter - my converter is jammed up!

Just wondering if it makes sense to do these upgrades next - my car's on stock injectors and fuel pump, and all I'm really running for upgrades are a ram air intake and dual exhaust (mufflers). These from gbodyparts: 86-87 Walbro GS340 Pump/Hotwire Harness Adjustable Fuel Pressure...

Does anyone see an issue with putting a 275 / 35 / 18 on an 18" x 8" rim? I'm just seeing that the recommended rim width is 9" - 11" and have been cautioned by the tire dealer. I would use a 275 / 40 / 18 with a bit more sidewall height if it would help, but it's not available in the Hankook...

Anyone seem a source for the center steel under the weatherstrips on a t top car? gbodyparts.com has pics of them under Buick \ appearance \ T-Top Components The 2 parts are called Stainless Center Rail and Stainless Center Ridge Theirs are nice, but too pricey! Thanks for any info.

gbodyparts.com has pics of them under Buick \ appearance \ T-Top Components The 2 parts are called Stainless Center Rail and Stainless Center Ridge Theirs are nice, but too pricey!

Hey all - I'm looking for some insight on a Powermaster problem - since I got the GN out ('87 w/ 48k) this April I felt some feedback or fluttering from the brake petal when stopped – and I see the brake lights are flickering in time with the pulse from the petal. I’ve had good luck with the...

Hello - I'm looking for some insight on a problem - starting last summer, if I drive at highway speed for at least say, 10 to 20 min, then slow down to city driving, the GN acts erratic. It feels like the tranny is acting up, but of course that isn’t always the cause. If I tap the gas, it acts...