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Re: 52 pickup 77 frame 454bbc
Was the donor C-10 originally a big block truck? About 25 years ago, I swapped in a 454 in to the wife's 1978 Big 10 Chevy 1/2 ton, after the 350 dropped a valve seat. The factory front coil springs were not happy! At rest, the truck was almost on the bump stops. In the end, I swapped in a set of +2" Rancho coil springs to account for the extra weight of the big block and had no more issues with bottoming out.
It doesn't look like you're having that issue, but a different spring rate may be something in your future.
Keep up the good work!
-Joe
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