Re: Knife valve for block drain plug.....
why do you need to drain the system so much is my question ?
x2 on vibration can move them if there to loose internally . i know med and big trucks run a screw type valve for heater core and filter flow control .
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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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