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Re: Heater Hose Ideas
The small hole in the thermostat body shell is to bleed air out of the system when you fill it. Not intended to allow coolant to circulate. That is to avoid the fill it up until it acts full, start and run it a bit add more coolant thing that most of us have done time and time again with gen 1 small blocks and a lot of other engines.
With the Vortec heads I'd be inclined to just run a shorter length of heater hose to act as a bypass hose but still drill an 1/8 hole in the flat of the thermostat body to bleed the air out. The bypass hose isn't going to relieve the trapped air situation.
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Founding member of the too many projects, too little time and money club.
My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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