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Old 08-28-2020, 07:13 PM   #2
sweetk30
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Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
Re: Water pump for an L31?

i just used the pump for the 90 k5 blazer with 5.7 and serp belt for my setup as i used the serp belt stuff also .

if v-belt just get one for say a 1985 350 .

dont forget L31 vortec has no bypass hole port in the block so you need to do a bypass hose like a bbc uses . or you can get bubbling / girggling / coolant smell as it pushes up in to the over flow tank .
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77-k30lb BIG truck build .
87-k30lb budget beater build .
85-k30lb the plow machine build .
85-c10sb summer fun toy .
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HOLLEY SNIPER efi = worst case of p.i.t.a i ever had .

EDELBROCK pro flo 4 = best deal going so far . love my setup works great.
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