Re: 1958 GMC Fleetside C4
Thanks for the reply though! I got mine in and went with a 12 inch, 400lb spring. I know total weight but had to guess on bias. Guess I was wrong. It still sits 1 inch lower than I planned. But, as installed, my QA1s are still 2 inches higher than it was before with the glass spring, doesn't bottom out anymore, and has the same comfortable ride I had. Maybe I should have went 450 or 500lb but for now I'm going to save the $90 for springs and just drive it a bit. Thanks again. Any progress lately?
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