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Old 07-22-2009, 03:43 PM
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Some help installing intake manifold

Hello guys I am doing my first cam swap and I will be pulling everything off tomorrow and resealing my intake back on and this is the first time doing so. I am installing a edelbrock rpm performer airgap intake and after I put my rtv gasket maker on and let it cure for about 3 or 4 minutes after I get my intake on and get my bolts on I know not to torque it down but how tight should I tighten the bolts to in order to let the gasket maker to cure overnight? Any other pointers would be helpfull since its my first time. What is also the best way to get it on straight cause I know I can't move it or the gasket maker will be no good. This is on a 350 small block chevy. I read to torque it at 25 flbs on edelbrock's website but do I torque it right then or shold I let it set over night and just hand tighten to maybe 15 on all the bolts?
Thanks
Eric

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Last edited by eric32; 07-22-2009 at 03:56 PM.
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Old 07-22-2009, 04:03 PM
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Go easy on the gasket maker. You only need a dab on each of the 4 corners where the head meets the china walls of the block and a small circle around each water port. Do not put gasket maker around the intake ports.
This is all the gasket maker you need to keep the gasket in place while dropping the manifold on. You can tighten the bolts up right away. Hand wrench tight is good enough (25Ft/lbs)
Retighten the bolts after a few heat/cool engine cycles. Same with header bolts.
if you are not using the formed end gaskets (that sit on the china walls) then lay a bead across each china wall. In this case let the thing set up over night before fireing the motor.

less gasket maker is better.
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Old 07-22-2009, 04:30 PM
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Hey thanks fbird, I will be using gasket maker on the china walls as you say and will put a small dap after I get the intake gasket's on. Also I am using felpro 1205 and they have a seal on the ports so I should not have to use any gasket maker there corrrect? Thanks again
Eric
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Old 07-22-2009, 04:42 PM
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Wipe the china walls and the bottom of the intake with laquer thinner before applying the gasket maker. Sticks a lot better on clean oil free steel.
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Old 07-22-2009, 05:15 PM
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I will use some thinner like you said so I have a nice clean surface.
Thanks for help appreciated.
Eric

Last edited by eric32; 07-22-2009 at 05:52 PM.
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