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Re: K20 lift springs on a ccdrw k30 to inprove ride?
Why do you think the K20 spring widths are different? All the 73-87 GM ones I have seen are 2 1/2". The biggest difference I can think of in K20 and K30 springs is the K30 would have more leafs in the pack. As for the rear use a front leaf spring hanger from a 2wd chassis. Put this in the rear of your rear spring and do a shackle flip. I'd replace the shackle with a heavier unit though. No blocks and = about 4" of lift with a stock shackle. In the front I'd think the 4 leaf K30 springs will be fine for you. I have a few cummins chevy trucks running around with3 and 4 leaf front springs and they work fine. Sway bars are going to help a ton while towing, and air helpers in the rear will help as well. Especially with a bumper pull trailer.
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Ryan
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project
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Last edited by Dieselwrencher; 12-07-2011 at 06:55 PM.
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