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09-01-2021, 07:40 AM | #1 |
Registered User
Join Date: Jan 2014
Location: Hernando, MS
Posts: 44
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Cross member swap what springs?
I’m sure this has been asked but I’ve been searching for over an hour and can’t find the answer. I have a ‘65 1/2 ton putting ‘86 cross member in what springs do I use the one for the ‘65 or the ‘86? Thanks
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09-01-2021, 11:11 AM | #2 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,267
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Re: Cross member swap what springs?
Doesn't matter.
I'd start with the springs you have, and see how it sits and rides. If you're going to lower it, I'm a big fan of 1-Ton coil springs and cut them to the height you want. They are much stiffer (so you don't bottom out - kinda important) but still ride good.
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, turbo, LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
09-01-2021, 04:19 PM | #3 |
Registered User
Join Date: Jan 2014
Location: Hernando, MS
Posts: 44
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Re: Cross member swap what springs?
Well the truck is currently on an ‘86 frame and I am building a ‘65 frame to swap back under it and doing a 5.3/4l60 swap. I’m lowering it as I build it and trying to only do it once.
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09-01-2021, 10:02 PM | #4 |
Registered User
Join Date: Feb 2013
Location: central California
Posts: 2,776
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Re: Cross member swap what springs?
I was once told by Early Classic tech support that squarebody springs have a greater spring rate than your stock ones. This was because they were heavier trucks with larger engines, A/C, P/S, P/B, all that smog crap, automatic trannys etc.
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