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Thanks Bob, I'll take a look.

I know we're talking 30 yr old scan tech here amd a long shot, but figured I'd see if anyone is still using it and have had the issue I describe. I receive random malfunction codes that show in one frame then gone in the next frame. I also notice some erroneous readings, for example road speed...

Looking to buy front and rear seatbelts together or separate for 1987 Grand National.

Thanks for the info. I have two fiberglass ones that I will attempt to utilize. If they come out bad.I'll send you a message if the ones you have are still availiable. -Don Sent from my LG-D850 using Tapatalk

Anyone know of a vendor that will just sell the spoiler pieces that sit on the quarter panel extensions? Fiber glass is fine. If any member is selling these pieces I am also interested. -Don

Anyone know of a vendor that will just sell the spoiler pieces that sit on the quarter panel extensions? Fiber glass is fine. If any member is selling these pieces I am also interested. -Don

comp cams #69005 Cam Card: intake exhaust Valve adjustment hyd hyd gross valve lift .506 .506 duration at .006 tappet lift 274 286 valve timing open close at .050 int 3 btdc 47 abdc exh 50 bbdc 6 atdc cam installed at 112 intake centerline intake exhaust duration .050 230 236 lobe...

I don't actually need help with this one as it has been resolved (using vortex buicks no start guide), I'm just putting it out there for future no start help. I recently got ready to start my 87 GN after a year of sitting: Changed oil, fuel, spark plugs, etc... Ignition on Fuel pressure...

It's gone

Bought Calpak, received in exact condition as purchased.

comp cams #69005 Cam $50 - 100 miles on it (too big for set up) intake exhaust Valve adjustment hyd hyd gross valve lift .506 .506 duration at .006 tappet lift 274 286 valve timing open close at .050 int 3 btdc 47 abdc exh 50 bbdc 6 atdc cam installed at 112 intake centerline intake...

Looking for 86/87 calpack for stock ECM GM PN 16036503

Will do $725 shipped without the MAP to the lower 48. Make an offer.

Accel DFI Gen 7 Barely used. Have to sell, moving!! Includes: 77046 ECU Wiring Harness for Buick Grand National 3Bar Map sensor Pro Key Calmap software (can update via web) PC cable (serial port) $850 plus shipping Can run off a Standard O2 or Wideband

I disconnected everything and checked sensors and all connectors, inspected thrttle body and up pipe. All looked good. Re seated wiring harnes to DFI adapter. Everything is hooked back up, but problem still persists. Also the car doesn't have to be hot anymore for this to happen. It stumbled a...

I didn't want to kill my battery with laptop hooked up so I ran an extension cord. Disconnected AC/DC converter and car started right up... Every time I would try to start the car the converter would shut off and engine would keep cranking with no start. The laptop would shut off so I could not...

I have been previously having issues with my rpm jumping around while accelerating, cruising and decelerating. I changed coilpack/ module, re-set cam sensor. After doing that still no luck. I finally decided to pull up pipe off and found a very minimal amount of oil in TB with a strong fuel...

Replaced module and still not fixed. The car is running better at idle, but the stumbling/misfire type issue is still there when crusing accelerating and decelarting. There are still alot of things I could try, but where should I start...

I found a module from an 87 somerset. Its going to go in today. Is there any way to test modules besides caspers tester?

So I tested the coil pack hot and found 18K across the 5-2 coil. I have another coil pack so I put it on to see If anyhting changed and it was the same and those coils were all about 12K-13K hot. The RPM is still jumping around when cruising,declerating, and accelerating. One note is that it...