spring pirch width on first gen compared to sec. gen

[**DONOTDELETE**]

are the spring pirches the same width appart on the first generation k5s as they are on the 73-91s?

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[Burt4x4]

Duno for sure but I would say yes. The Dana60 rear I have came out of a late 70s model 3/4ton longbed P/U. The pirches didnot need relocating.
Hope this helps....

72K5

Led Zeppelin

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[californiak5]

No. They are about 1.5 or 2 inches narrower. The first gen's have the same spring width as 1 ton (chevy/gmc) trucks do.

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[pcorssmit]

The rear first gen is the same (or close enough) as '73 + 1 tons. If swapping rears, you will have to relocate the shock mounts on the axle. The fronts are the same.

Pete

'83 K5, 350 TBI (ex 6.2), 700R4, NP208, Dana 60/14 bolt, 4.56s, Detroits, 3" lift, 15-39.5x15 TSLs
'97 Dodge 2500 4x4 CC LB Sport, Cummins 5 spd