C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Heater core bypass

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Old Mar 22, 2006 | 11:04 AM
  #1  
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84whitevette
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From: NJ
Default Heater core bypass

Hi all,

Need to change heater core and also locate a heater valve (missing) for my 84'. Can I hook up the hose from manifold to water pump to bypass core and keep it that way over the summer w/o drivability problems and w/o concerns of overheating?

Pete
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Old Mar 22, 2006 | 11:06 AM
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Jerris
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From: 1992 LT1 6 speed Cayman Islands
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Yes you can
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Old Mar 22, 2006 | 11:31 AM
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CFI-EFI
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From: The Top of Utah
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Absolutely. The parts stores sell a plastic tube that takes a 5/8" hose on on end and a 3/4" hose in the other, just for that purpose. Since it was only temporary, I just connected the heater hoses, together, at the firewall. They were in good shape and I reused them when I replaced the heater core.

When I bought my car in 1986, the heater control valve had already been removed from the car. I never would have known the difference, if I hadn't spotted one in my parts book. You really don't need it.

RACE ON!!!
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Old Mar 23, 2006 | 12:44 AM
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84whitevette
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thanks guys...

Pete
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Old Mar 23, 2006 | 07:49 AM
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From: Ft. Lauderdale Fl
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Yes you can. And if you live down here in South Florida (yesterday 88), you can make that switch permanent.
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