Water bypass on FE427



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Water bypass on FE427

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#1 (permalink)

07-27-2003, 11:23 AM

Eljaro

CC Member

Join Date: Jun 2003

Location: Palma de Mallorca, Spain, ESP

Cobra Make, Engine: Contemporary with 482 KC/SO, TKO600,IRS Jag/AMP, 3.54 Salisbury PL,

Posts: 582

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Water bypass on FE427

I just fired up my 427 top oiler after a mayor engine rebuilt, which included a reground crankshaft with new crankshaft and rod bearings , new Comp cam 282H with springs. I have a set of Dove F5 heads which worked fine before , and I did hardly ever see temperatures over 195ºF while driving.
While running the engine in at about 2000 rpm for about 15 minutes the engine got very hot (water at 230º)
I did only change one thing from the previous setup , which is the installation of the bypass which goes from the intake manifold to the water pump. It was plugged before and I suspect this is causing the overheating . What is this bypass good for, why did the engine builder before me plug this bypass?. Any hints?

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