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Re: Vortec Coolant Bypass
my new gm L31 i installed was burping and girggling until i did the little bypass hose from the water pump to intake like a BBC engine has from the factory .
i read a lot and asked a lot on this and it seems 50/50 mix of problems or no problems so try it and you will know . mine would pass gas in to the overflow bottle and then when the blower fan was on you would smell coolant like a bad heater core leaking . also if the vehicle is quiet i was hearing the rad cap letting it past .
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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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