intake gasket

[Shimy87]

Can the intake gasket be re-used? I have an oil leak down the back side of the block. Pretty sure I must not have put enough black rtv down and now the prick leaks

[Scoobum]

Nope

[earlbrown]

The correct answer is no.



But I just got out of my GN with the third pass on my intake gasket and my head gaskets, so what do I know? 


Cavat: My intake is accurately machined as are my deck surface and head surface.

[earlbrown]

That being said, if you're using the intake gasket that's called for a GN toss it and get an older one.  It's cheaper and not punched for EGR ports.

The 'wrong' gasket will keep exhaust energy from hitting the intake manifold (and trying to flex the piss-poor engineered block off plate if you have one of those)

[Shimy87]

Thank for the info!!  I think I found one like you described, its on the way. Really thought I had enough RTV across the back last time....wont make that mistake twice

[earlbrown]

Depending the gap it depends on what I use.  If the gap is huge I used the rubber gasket and Yamabond as sealant.

If the gap is smaller I toss the rubber and use a beat of The Right Stuff.  The main trick is to set the intake STRAIGHT down into place without any sliding around.

Oh, and sometimes, but not that often I'll take a razor blade to the rubber gasket and shave that 'bead' off the top.  That way it doesn't squish and deform the rubber more than it should and it increases the amount of surface area for the sealant to work.