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Old 03-08-2014, 12:37 AM   #157
C20scott
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Join Date: Oct 2011
Location: antioch, ca
Posts: 158
Re: Backyard Cummins

Resolution to the brake MC pushrod!

If you have a hydroboost brake setup out of a 90's chevy 1 ton(code JD7), you will need a 2 3/4" length brake pushrod, rounded at both ends...

I ended up having to custom cut mine down, 2 3/4"-2 13/16" gave me a perfect 1/16" of brake preload once the MC was bolted to the HB unit.
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1969 K20, Cummins 12v conversion in progress...
Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=574152
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