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    Return Fuel Line - Replacing Small Section Around Downpipe

    Based on some reading I've done on the forum the return fuel line drops down right next to the downpipe. My car has an after-market downpipe that over time has rubbed a hole in the return line. For those of you that have experienced this problem, would it be okay to splice into the line using a...
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    Tranny Not Shifting Unless Getting Off Accelerator

    I have owned an '87 GN for about 3 years now and not had any problems with the B. Hofer built transmission. Went to the track a couple of weeks ago for test n' tune. Only two passes were made. Hit the street to come home and the tranny will not upshift unless getting off the accelerator, and...
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    Conversion from SubWoofer to 6 X 9s

    I purchased a GN from a board member here about 1.5 years ago. The audio system was already installed when the car was purchased. There is a sub-woofer box installed in the trunk, not really my thing. I would like to replace it with two high quality 6 x 9 speakers mounted under the rear deck...
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    1987 GN in N.C. – Nicely Modded

    I have a nicely modded 1987 Buick Grand National for sale. The car is located about 40 miles west of Charlotte, NC. The odometer is showing 129,xxx but actually has approximately 135,xxx with the difference due to a 145mph speedo swap. This is a nice go-fast driver. The engine was...
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    87NAT-The Louisiana Purchase (Ed Broussard)

    Over the weekend we drove from North Carolina to Louisiana to purchase a1987 Grand National offered by Ed Broussard. After 14 hours of anticipation we finally arrived at our destination. The car was most impressive in modifications and appearance. And I should say function as well. The car...
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    Attaching Front Frame Braces

    I bought the triangular front frame brace set. It did not come with all of the mounting bolts. Does anyone have any extras of the threading bolts they would part with, or let me know what size tap and bolts to use? Thanks for any help.
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    WTB: THDP 3" w/ Cutout, Western NC

    Would like to purchase a 3" THDP or equivalent with electric cutout. I'm located in western North Carolina, and would possibly drive for pick-up. Thanks.
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    No Electrical Power After Burned Alternator Wire

    The wire from the battery to the alternator grounded against one of the header tubes. All electrical power was lost. We replaced the entire wire but still there is no electrical power at all. Could the battery have been totally drained or could there have been some fuses blown, and if so...
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    Replacing Burned Alternator Wire

    The wire from the battery to the alternator grounded against the headers. Sounded like a fish fry under the hood. Luckily nothing burned but the wire. We unhooked the entire battery, positive side, wiring to the alternator, starter and ECM. Does anyone sell this entire wiring harness...
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    New Age Sleepers

    This may not be the correct area to post this subject but there's a lot of traffic here. Twenty years ago the GNs were great sleepers that were fairly inexpensive used cars. I'm looking for opinions on current 2-3 year old cars (yes, foreign included) that people on this forum would consider...
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    Rearend Chatter

    I recently had the rearend bearings replaced with the ring/pinion gears setup. On the way home from work today I noticed some rearend chatter when slightly accelerating from a stop and in a turn. Do you guys think the mechanic didn't put the posi-lube in, or could there be other issues here...
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    Rearend Setup

    Is there anyone in the Shelby-Gastonia-Charlotte, North Carolina area that is an expert in the ring/pinion setup for a '87 GN with a posi-rearend? Thanks.
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    Drawing for Posi-traction Rearend Assembly

    Can anyone give me a link to a drawing of the posi-traction assembly, 87 Buick GN? Thanks for any help you can give.
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    Rearend Bearing Noise

    I have an '87 GN with a posi-rearend and experiencing a rearend noise. Removed the rearend and found the left side carrier bearing noticably worn. Does anyone know the cross-refernce number to use Timken carrier bearings or can point me in the right direction. Thanks for any help you can give.
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    My Rearend (Bearings)

    Can anyone please tell me the part numbers for the bearings (cup and cone) in the '87 GN posi-traction rearend? I work for the Timken Co. and could possibly get these free of charge. Thanks for any help you can give.
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    Rearend Noise

    Let's try this in a new post. I did a search and didn't find my specific problem. I'm having rear-end noise issues that have gotten progressively worse, significantly so after a couple of hard launches. The noise is at its worst around 35 MPH with the foot lightly on the accelerator. Noise...
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    Charlotte-Gastonia-Shelby Area Tuners

    Can anyone recommend a good tuner in the Charlotte-Gastonia-Shelby, NC area? I live just outside of Shelby. Thanks.
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