C1 & C2 Corvettes General C1 Corvette & C2 Corvette Discussion, Technical Info, Performance Upgrades, Project Builds, Restorations

[C2] shutoff

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Old May 28, 2025 | 07:09 PM
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do i need two shutoff valves to keep heat out of cockpit or just one fro top of block
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Old May 28, 2025 | 07:15 PM
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One on the heater hose firing on the water pump works just fine
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Old May 28, 2025 | 07:18 PM
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Thanks
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Old May 28, 2025 | 08:21 PM
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You will need more than a cutoff valve. Is your insulation on the interior firewall in place and in good condition? Are all the openings for cables and wires well sealed? If you have stock under body exhaust, is the trans tunnel insulation in place? What kind of insulation is under your carpet? Just some basic thoughts! Dennis
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