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Old 05-28-2012, 07:20 PM
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Cooling system and heater questions

I put a mini heater from summit up under the dash in my 48 chevy and had a couple questions about coolant flow to the unit. I do not have ac so I want to put an inline shut off valve under the dash to keep the hot water from circulating through the heater core when I do not need it. Should I put the shut off valve in the line coming from the water pump? Will this disrupt flow for the rest of the engines cooling system if it has a dead spot under the dash? I thought it would all be good but just wanted to make sure before I go ahead, thanks!

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Old 05-28-2012, 08:57 PM
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shut off valve

i did the on my vette. i put my valve on the line right at the intake port. this way i didn't have to put my arm down in the engine compartment. valve was up by the alternator. i used a ball valve. on semi cool nights i could regulate it to be comfortable in the car.

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Old 05-28-2012, 10:04 PM
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Ok thanks and while I am here, does anybody know what type of fittings or hoses I can use to connect the threaded end of the bulkhead to the water pump and intake manifold inlets and outlets? The other side is easy with 5/8" heater hose under the dash. Thanks
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