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

LT1/4 intake remove, drain coolant?

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Old Mar 8, 2008 | 01:11 PM
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Default LT1/4 intake remove, drain coolant?

I just read in my Haynes manual, getting ready to do the intake gaskets on my lt4.

Is states that i need to drain the coolant, is that really necessary?
I can see it needed on the L98, but is there any coolant in the intake on a LT4

It also states that i should apply permatex on the coolant holes in the gasket facing the heads..?
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Old Mar 8, 2008 | 01:17 PM
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You can remove the intake without draining the coolant, it is a dry intake. Just don't disconnect the coolant hose through the throttle body.

Also, don't use sealant on the intake gaskets.
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Old Mar 8, 2008 | 07:16 PM
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Old Mar 9, 2008 | 08:51 AM
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Is this also true for an Lt1, I have to replace the intake manifold gaskets on 92 LT1.
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Old Mar 9, 2008 | 12:02 PM
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Originally Posted by lilredc4
Is this also true for an Lt1, I have to replace the intake manifold gaskets on 92 LT1.
Yes.
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Old Mar 9, 2008 | 12:07 PM
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Originally Posted by Lars87
I just read in my Haynes manual, getting ready to do the intake gaskets on my lt4.

Is states that i need to drain the coolant, is that really necessary?
Are you starting to catch on about the Haynes manual?

RACE ON!!!
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Old Mar 9, 2008 | 12:44 PM
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Can you disconnect the throttle body from the intake without draining the coolant, or must you leave it attached to the intake.
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Old Mar 9, 2008 | 12:48 PM
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Yes you can disconnect the throttle body from the intake without draining the coolant. Now might be a good time to do the TB coolant bypass mod.
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Old Mar 9, 2008 | 01:06 PM
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what is that?
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