intake gasket question
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Mountain Pass
Joined: Aug 2008
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intake gasket question
recently ive decided to do all the top end gaskets on my bronco, it has the fuel injected 5.0 v8, and the lower intake is rough, i dont have the money to replace it i gotta go with what i have, i was wondering if a skim coat of black rtv on the lower intake's gasket surface would hurt anything, its got some minor pitting on the gasket surface and i dont know if the gasket by itself will seal it properly any advice??
Lead Driver
Joined: Sep 2002
Posts: 9,182
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From: Gateway to the West
Don't see why it would hurt anything. As with any product, make certain it has properly cured and that none gets into intake runners or coolant cross-over passages. Otherwise, the goal is a good seal between intake components to prevent vacuum leaks. Do what its takes to ensure this simply because vacuum leaks WILL muck with the ECM and vital engine control parameters.
Freshman User
Joined: Apr 2013
Posts: 40
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From: vuirginia beach va
are you saying that the surface is pitted? if so the new gasket should seal.. the pitt's shouldn't hurt anything. make sure you tighten in the correct order and to the correct torque spec.
how bout a pic to see the pitting..............
how bout a pic to see the pitting..............
Last edited by thin blue line; May 9, 2013 at 08:57 PM. Reason: edit
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Mountain Pass
Joined: Aug 2008
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see now, my book does not have a tightening order for the 5.0 intake, only the lightning models have a listed pattern for bolt removal and installation, i searched hi and low online for a tightening order for that intake and came up with nothing so i just start in the middle and do a cross pattern ill post pics when im done, the worst is around the egr ports there are two areas where its quite deep im just gonna use a little black max should do the trick
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