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Old 09-26-2014, 02:53 AM   #12
boynton
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Join Date: Feb 2012
Location: Salado, Texas
Posts: 1,418
Re: 1970 c20 l9h 6l90e

This is a complete rework that makes this swap much easier.

http://www.currentperformance.com/sh...-modification/

here is what I bought that helped me with my modified harness

http://www.currentperformance.com/sh...erelay-module/

hope this helps with the wiring decision.

As far as your exhaust manifolds, I used trailblazer SS manifolds and only had to trim a very minor piece from the right side of the frame. You should be able to see it on page 3/4 of my One Owner Short Step build thread.
__________________
Just trying to figure this out...
1970 SWB Step-Side
http://67-72chevytrucks.com/vboard/s...d.php?t=552980 1970 LWB
http://67-72chevytrucks.com/vboard/s...d.php?t=584499
1970 SWB One Owner Step Side 6.0 LY6/6L90
http://67-72chevytrucks.com/vboard/s...d.php?t=617630 Junkyard's 1971 short wide
http://67-72chevytrucks.com/vboard/s...86#post7531186
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