Rear Trailing Arms - The 1947 - Present Chevrolet & GMC Truck Message Board Network

JPSAUTO · 06-28-2004, 08:07 PM

Have two sets for a short bed. Should they be welded the full length or is there a gap between the inner and outer. What is filling the gap, RUST???????? My first resto and need help. 69 CST 396(#'s match), short bed, turbo 400, ps,pb a/c,buckets console,tach. Rare or not??? thanks in advance

JimKshortstep4x4 · 06-28-2004, 08:17 PM

The two halves are riveted together and rust forms in between forcing them apart. Ideally you want to get the rust out and hitting the sides with a hammer works pretty well prior to sand blasting. After sand blasting you can clamp the parts together and weld them. Once repaired and painted I would suggest sealing the top so that water will not get down inside and remain.

Good luck!

Jim

06-28-2004, 08:07 PM	#1
JPSAUTO Registered User Join Date: Feb 2004 Location: Indiana Posts: 158	Rear Trailing Arms Have two sets for a short bed. Should they be welded the full length or is there a gap between the inner and outer. What is filling the gap, RUST???????? My first resto and need help. 69 CST 396(#'s match), short bed, turbo 400, ps,pb a/c,buckets console,tach. Rare or not??? thanks in advance

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06-28-2004, 08:17 PM	#2
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	The two halves are riveted together and rust forms in between forcing them apart. Ideally you want to get the rust out and hitting the sides with a hammer works pretty well prior to sand blasting. After sand blasting you can clamp the parts together and weld them. Once repaired and painted I would suggest sealing the top so that water will not get down inside and remain. Good luck! Jim



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