1937-1957 Buick Oldsmobile Pontiac suspension upgrade
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| − | For spindles, the '63 Pontiac spindles advised in the article were used. Unfortunately, when it was set it on the ground, the front ride height was too high. This led to a search for dropped spindles. For BOP, dropped spindles couldn't be found. Chevy drop spindles are readily available | + | For spindles, the '63 Pontiac spindles advised in the article were used.The '63 Pontiac spindle has a deep 90 degree bend at the bottom, to clear the wide corners on the lower control arm. (The '60s stock Chevy spindle has a 45 degree angle at that location, so Chevy Spindles won't work.) Unfortunately, when it was set it on the ground, the front ride height was too high. This led to a search for dropped spindles. |
| − | + | Note the side by side comparisons in the picture. | |
| + | For BOP, dropped spindles couldn't be found. | ||
| + | Chevy drop spindles are readily available. | ||
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|[[image:63_pontiac_65_chevy_spindle_2.jpg|thumb|center|400px|Pontiac (bottom) vs. Chevy spindle shape]] | |[[image:63_pontiac_65_chevy_spindle_2.jpg|thumb|center|400px|Pontiac (bottom) vs. Chevy spindle shape]] | ||
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CPP's dropped spindle is available alone, or in a disc brake kit. Be sure you get the p/n CP30101 spindle. It has no steering arms built in. | CPP's dropped spindle is available alone, or in a disc brake kit. Be sure you get the p/n CP30101 spindle. It has no steering arms built in. | ||
| − | Stock spindles are front steer, and won’t work. With the CP30101, you can just add a pair of '65-'70 stock arms. Flipped over, they fit your rear steer perfectly-even the taper is the right direction. Unlike the '63 Pontiac arm in the article, the Chevy arms are pretty straight. | + | On the Pontiac spindles, the distance between the mounting holes of the steering arms is different from the Chevy's ones, so you have to use Chevy steering arms on the CPP spindles. |
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| + | Stock spindles are front steer, and won’t work. With the CP30101, you can just add a pair of '65-'70 Chevy stock arms. Flipped over, they fit your rear steer perfectly-even the taper is the right direction. Unlike the '63 Pontiac arm in the article, the Chevy arms are pretty straight. | ||
For this project, the tie rods only needed to be shortened less than an inch, rather than the 3 inches in the article. This was done by trimming a little off both the inner and outer tie rod threads and the sleeve. No cutting and welding. | For this project, the tie rods only needed to be shortened less than an inch, rather than the 3 inches in the article. This was done by trimming a little off both the inner and outer tie rod threads and the sleeve. No cutting and welding. | ||
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