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Buick used the 9790377/8 spacers on the '68-72 GS400 and GS455 but not the GS350. The spacers limit the amount of rear-end squat during hard acceleration. If your car still has the 350 motor, it...

For '56 2-barrel cars:

Buick used only one air cleaner assembly, an oil bath heavy duty type part no 1551770.

Pontiac used three air cleaner assemblies, a non-oil bath standard duty no...

Bruce, we can come up with the part no on the speedometer driven gear and shaft with some more information. There was a dizzying number of part numbers used in '53. The number varied according to...

The stationary contact plate inside the steering wheel is grounded through the steering wheel core, the steering shaft, the shaft bearings, then to the car frame. Bearings aren't a real good way to...

The GM part number started out as 5673012 then was superseded by 386789. Tried to find one online with no success. One may turn up for sale on eBay etc with continued searching. It's not a...

Here are some more exploded views of the upper column from the Master Parts Catalog. Is it the part no labeled 386789?

I don't have experience with either of the manuals from Rock Auto. After buying many, many Buick manuals for use on this site, I've learned some reproductions leave a lot to be desired on the...

John, yes the bench test should work. Hookup would be:

Battery (+) to IGN terminal on gauge
Battery (-) to cluster case and to sender unit case
Jumper wire from sender unit terminal to unmarked...

Several things besides originality favor reusing the '67 430:

The stock compression ratio on the 430 is 10.25 vs. the 455 at 8.5. Hp will be higher on the 430.

The 430 already has the...

The Buick Parts and Illustration Catalog 44W shows radiator hose clamp is a 22518666, heater hose clamp is 22518665. Both are hex-head worm drive type. Could not find documentation of material...

The 1st type 3-2 valve info in the '66 shop manual looks like data reused from the '65 manual. Unfortunately it doesn't indicate what the 2nd type is. Buick built both types (with and without the...

Here are some more images from a shop manual and some service bulletins showing body attachment points. Maybe these will do the trick.

Ben,
The piston chart in the parts catalogue caught my attention where it shows the '53 pistons have their own part numbers. There are a few paragraphs in the '53 shop manual explaining that the...

This is one of those parts that has become very hard to find and has almost no crossover to other models. Seems like it should be common considering how many LeSabres were made. See attached string...

My books are no good either. The parts books don't help because Buick only sold pistons and pins together as assemblies which had their own part numbers. The 1318467 number also showed up on...

28A188465 - VIN derivative

2 = Pontiac - GM division which built the car
8 = 1978 - model year
A = Lakewood, GA - plant which assembled the car
188465 = car serial number - started at 100001
...

The BR also indicates it came from a Riviera.

The 309 build date would indicate the the 309th day of '64 (November 4).

4694 is the transmission serial number. With a production of 28467 '65...

Here are some more drawings from the '65 full-size car manual. Surprisingly there were no step-by-step disassembly instructions for the non-tilt column. The exploded parts view is for...

Attached are the '65 shop manual instructions to remove the wheel (on full-size cars).

Here's some exploded parts views of the top frame for '50-53 senior convertibles from the Parts Catalogue.

Buick Parts Books show it as Strainer, transmission oil suction, part no 5577351. That number was later superceded by 1352583. Used only on '61-63 Specials. No crossovers to another make could be...

The factory intended the seals to be used only on the 401 and 425 nailhead engines, which have vertical valves. Dealers were cautioned not to use seals on the 225 and 300. See attached dealer...

The part nos for the parking light items are:

5965861 - Lens, front park-turn & side marker lamp LH

912275 - Lamp, front park & turn & side marker LH

911885 - Older lamp no superseded by...

I should have denoted that correctly. Time for 6 lashes with a wet shop manual:clonk:

Here's a couple of salvage yards that are supposed to have some '62 Buicks:

www.budsalvage.com
www.ctcautoranch.com