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400 Refresh

Old 11-13-2018, 04:54 PM
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Yes sir i did spot the post on lifters not bleeding down and the think out of one. As well as loss of vac from the turkey pan. I'm actually off tomorrow and Thursday but I'll be closing 1-10 on Friday and 8-5 on Saturday. That wee scuff mark may not be too bad and lifter break in isn't too hard on a new set of non Pumps. I like my lunati lifters but the comps have worked well for me as well. Just check the wear pattern on the cam.
Old 11-15-2018, 06:13 PM
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Originally Posted by Aaron-71 View Post

Are you talking about the exhaust crossovers?

i made the mistake of thinking they were water ports the first time around and used water pump permatex silicone sealant.
I don't know about high heat, I meant like around the intake ports. Any silicone will shrivel up around gas, even the Ultra Black or Grey is silicone based. Honda Bond is thin so you cant build it up like silicone will build for end walls. Honda Bond will even seal up hydraulic oils. It's good stuff that was originally designed to seal 2 stroke cases, dirt bikes, chain saws, etc. stuff that silicone won't handle.
Old 11-16-2018, 01:53 AM
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You're using way too much sealant on the heads. A thin line suffices.

This stuff works a charm :


When you get the fel-pro intake gaskets, you'll see how small the bead of sealant is.

They have it 'built in' on one side of the gasket.

I would never have guessed the problem to be so many sh$tty lifters.

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