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1985 Buick Grand National T-top car, original paint – 154k miles on the odometer. Original paint , frame is straight, never wrecked according to Carfax. I purchased this car back in ’94 with just over 100k on it. Mileage now is around 154K miles. This car has been mostly garage kept since...

Anybody have any luck finding replacement power steering lines for a Powermaster hot air? Need to replace my steering gear and due to rust my lines just snapped at the steering gear.

I just bought a good looking Jeep shaft for less than $10 at the u pull it. The plastic sleeve just popped off, but the shaft won't slide. Any ideas? Also, is this shaft always hard to line up with the steering gear end? I bought the wrong unit off Ebay, so I'm pretty sure this is the...

I replaced the front coil springs, tie rods, ball joints, idler arm, and center link. I got the alignment done and I am at 0 degrees castor. The shop removed a ton of shims from the right front, but didn't touch the left front. The car will not return to center when driving. There are no...

My 85 GN dies as soon as it enters closed loop. Engine has less than 500 miles, ran smooth until just the other day. New ECM, Ign mod, coil pack, plugs, wires, etc... Fuel psi is good. Numbers look good on Turbolink. Voltage is good, brand new battery, Hi-amp Powermaster alternator has 100...

I guess I may be too poor to stay in the GN game. I've been a GN owner since '90, but I may be limited on what I do from here. I see an '87 grille goes for over $400. I just saw a post on Ebay for what looked like a single blue stripe for $50! Good thing I bought that '87 grille for my...

Just a heads up... there is an 86 NA Regal hardtop in the yard at St. Cloud Auto Salvage on 192. Interior plastic is the same color as the GN's. The A and B piller plastic is in good shape. Great for adding an A-pillar guage cluster without cutting up you own piece. Car has the standard...

Hey All, I just found a header panel at a local bone yard. I'm interested in going with blasting instead of sanding the old paint off. Way too many nooks and crannies on those things! Any recommendations?

85 hot air with 87 ECM conversion. I'm running TLink 2.13... I'm was still trying to nail down final problems with the car today when a new one showed up. TLink was showing 18 - 19 volts!!! I got the car to the driveway and took out the multi-meter. Alternator lug to ground was 14.5 at...

Hey guys, I've seen a few threads about looking for billet pulleys for the hot airs. As has been stated before, March makes a great set of underdrive pulleys for the hot-airs. They have a much smaller crank pulley, a larger water pump pulley, and I believe a stock sized alternator pulley...

The hits just keep on comming... I have another thread going about a rough condition, but another problem showed up about a week ago. Here's the scoop. I have a new GM crate motor that has recently been gone through and had cam break in by a local reputable GN repair shop. This motor was...

Hey all, I've got an 85 GN with a new GN crate motor. The motor has been checked out, lubed, and gone through cam break in by a local reputable shop. I installed the motor and trans and assembled all parts above the "long block" myself. While the car was parked before the new motor was...

I have an 85 GN with a Flex-a-lite Black Magic 150 electric fan. The problem is, when the internal fan thermostat is at or above turn on temperature my manual power switch will continue to run the engine even after I remove the keys from the ignition. When I turn off the manual switch the...

Hey all, Just got a new shifter cable for my 85 GN, GM cable, part #25537476. This new cable is much shorter than the cable currently in the car! Did a search and all numbers point to this part, but I just want to confirm before I open the package! I read a few threads about GM changing...

I'm looking for the part numbers for the fuel rail feed and return lines from Classic Tube. I ordered a the lines listed online last year and they were incorrect. Anyone sucessfully ordered these parts? Also, just received new SS trans. lines from Classic Tube... they were incorrect...

What's the best place to hook up to a GN to winch it onto a flatbed car trailer? I have a full floor 18' dovetail car trailer with an 8,000 lb. winch. I need to know the best place to hook up to a GN to winch it on the trailer. I have a 10K lb. axle strap that can be wrapped around the center...

I've been running plugs in the throttle body coolant lines for years now. I'm currently in the middle of a rebuild and got to thinking... why use the plugs when I could just loop a line between the outlet and inlet. Anyone see problems with this setup. Also, is there a down side to...

What is the white sealant used around the intake manifold sensors? It's also used on the coolant outlet on the 84-85 hot-air intakes. I can't figure out if it's plumber's putty or what. Would a thread sealant work? Also, anyone know where to get the gasket that goes between the EGR adaptor...

Is anyone running the #4220 pulley set from March? I called them to get belt lengths, they don't have the info. I need to string out the pulleys to get the measurements. Looking to save time, if anyone has lengths or belt numbers that would be great. Thanks, Tim

Hey all, First, my 85 has been sitting for about 5 years with no street miles, only idling in the garge once or twice a month. I've got a big problem with the car smoking at all times. The smoke is white, and does not stay. It's like the smoke that comes from a car when you run it in cold...