Search results

I'm selling my 87 GN. The car is completely stock. The interiors is all complete, it does need some work and the weather strip needs to be replaced. The speedometer cable needs to be replaced, I replaced the upper one but it was the bottom one that needed to be replaced. I also changed the...

Tryng to convert my 87 GN from a powermaster to vaccum brake system, does anyone have a instruction list of what's require to make this possible.

Up for sale is a 1987 Grand national with T-tops. This Gn has a clean tittle. the engine and tranny were rebuild by the previuos owner, tranny has a shift kit, the car runs great. The rpm gauge does not work but the boost gauge does, also the speedometer is not working, I replaced the upper...

Just wondering if anyone would be able to help me with the (CC) ? When I turn it on, the (CC) light turns on but will not engage. Does anyone have a schematic diagram for the cruise control system for a 87 GN ?

I'm selling my 1987 GN as times are very difficult for me and my family comes first. The car is not in show condition. I'm asking $9500.00 firm that's what I paid for it. I installed a scanmaster, new exhaust, and purchased the vacuum brake conversion kit but have not installed it, the buyer...

My rear deforst window is not working. When I turn the switch on the on light illuminates indicating there is power but the window wont defrost. Has anyone experienced this problem?

I'm having trouble with my A/C I only get air through the defrost and the bottom, but it wont go through the middle vents. Does anybody know where I can start at, do I have to take the dashboard apart.

Just wondering if anyone had an idea were the rpm readings to the rpm gauge come from. The reason I asked is my rpm stop indicating but it still has 4bars illuminated and on my scanmaster the rpm's are able to read. My other question is my o2 mv readings are always going up & down from 780...

Hi I'm selling my GN as I am trying to purchase a home at this time the car shows 190,000 miles. The interior needs work the body is in good shape, also the GN has T-TOPS if you are interested call me at 323-216-2845. The car is in southern California. I just added a heated O2 sensor that I...

I was wondering what you guys suggest about installing a cat in my 87gn as I need to register the car in California and is a pain. When I purchased my GN it had straight piping no cat. If I installed the cat will the car run the same or slower what effect would it have?

DOES ANYONE KNOW HOW TO ADJUST THE TIMING ON A 87 GN AND WHERE IT'S SUPPOSED TO BE AT? I HAD A PROBLEM THE OTHER NIGHT ON THE FREEWAY WHER THE CAR TURNED OFF ON ME AT ABOUT 70 MPH AND IT STARTED BACKFIRING LIKE LOUD BANGS FROM THE BOTTOM OF THE CAR. I ADJUSTED THE TPS TO .42 AND MY RMP DROPPED...

I'm looking for a 1986-87 power seat.

I just bought a 1987 Grand National. The transmission shifts very hard on all shifts, and before it shifts the rpm's go up very high, sometimes I have to let go of the gas and step on it again so the transmission will shift. The person that I bought it from said the transmission was just rebuild...

Hello I just became a member to this site. I just bought my first 1987 Grand National and I have no idea were to start. I hope that with the experience of the members of Turbo Buick I can get my Grand National running the way it should. Thank You for letting me be a part of Turbo Buick.