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01-20-2019, 12:09 PM | #9 |
Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: wierd cooling system problem noise ?
so no leaks at the heater core i can see now . i think it was pushing past the hose clamp and shooting in the cab . but i did find a old stock copper brass heater core and its on its way just incase .
but she still is pushing some fluid and possible gas/air/??? in the over flow but not near as bad as before . i mostly smell it a little bit . at some point i am going to remove the ecm temp sensor from the vortec bypass port some guys us and some dont and re-plumb my setup to go water pump to intake center just under the t-stat and then heater core not sure yet . maybe back to the original way i had it intake to heater core to rad . . . and i have a 195* t-stat in the engine . anyone think i should maybe drop down to a 180 range unit ? maybe this engine just wants it a little cooler than 195* found this searching the internet . its a gm master instructions packet . Any small block engine, regardless of year, that uses Vortec heads, will require an external coolant bypass line from the intake manifold to the 5/8" hose nipple on the water pump (passenger’s side). Suggested routing is from the 3/8 NPSF boss on intake manifold to the water pump. and the whole thing is here. https://www.chevrolet.com/content/da...e-19210007.pdf
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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 . ----------------------------- 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. Last edited by sweetk30; 01-20-2019 at 01:15 PM. |
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