Nitto Headgasket Failed What Should I Use

[grygtr]

After pretty low kms my nitto head gasket failed(causing an engine fail) I have lost faith in the product, What gasket should I use that wont fail at highish boost?

[boostn0199]

Hrmm nitto gaskets have a good rep thats odd was it installed right? But anyway id recomend tomei ive got one on no machining or decking block and no problems so far

[Simonster]

Depends, what caused the failure, detonation, bad tune, poor fuel, fuel starvation etc etc.. Have you pulled the head off yet?

[jangles]

35psi runs here and no failure..

[R.3.2.G.T.R]

dont know bout the headgasket, but nitto exhaust manifold gaskets were superior to jap offerings, quality product, sorry to hear bout the failure

[MrStabby]

What leads you to believe there was a problem with the product and not the installation?

[DVS JEZ]

Agreed, prove it was the headgasket that caused The failure 1st

[sucram]

Are you sure the head gasket was the first to fail, which lead to an engine failure?

[T04GTR]

what surface finish was on the head and block ? was it like a mirror or could you see the nice radial machining marks?

[Walk510]

firstly define hi boost ? were your running head studs ? and yes what was the deck roughness like ? even though in the " race engine builders hand book " they say "the gaskets surfaces must be near polished, the problem is there must be some tooth to retain the gasket its a fine balancing act"

[r33_racer]

Even head gasket manufacturers state pretty fine Ra, ive seen anywhere from 50-60 RA or finer, some have even stated 15 or finer. The smoother the better, any protruding ridges from machining marks(noticed more so on rougher finish) will chew the gaskets as it expands and contracts, especially when its wedged between two dissimilar materials.

But as everyone else stated, headgaskets blow for a reason. Fix that issue and it wont blow again.

[DVS JEZ]

Edit: double post

[Supa Steve]

How did the engine fail? It wasn't from excessive cylinder pressure lifting the head, breaching the head gasket, hydrolocking a cylinder and bending/or throwing a rod?

My engine builder uses Nitto gaskets and has pushed them a long way without issue, maybe another factor influenced the damage.

[The Dan]

People shitcan Commetic gaskets as well but we've run them without a single problem in boost apps exceeding 30psi. 26psi for 2 years straight racing.

Nitto are a better gasket IMO. I think you're missing something

[D_Stirls]

People shitcan Commetic gaskets as well but we've run them without a single problem in boost apps exceeding 30psi. 26psi for 2 years straight racing.

Nitto are a better gasket IMO. I think you're missing something

As you would know, that's cos' people don't prep' BOTH the surfaces, and then they blame the gasket when it leaks?

To the OP, as has been asked did you prep' both the surfaces to the correct spec's?

[T04GTR]

evan if the surface isnt as smooth as recomended, i always apply vht copper gasket cement. regardless

[Beer Baron]

yeah as above, most MLS gaskets are pretty stout and there may be another issue. but i've got plenty of experience using tomei head gaskets personally and never had a problem. they are very high quality and have lasted through plenty of heat, power and kms. I'm always happy using tomei.

[HYPED6]

Nissan all the way here. 30 psi with no problems.

[BMYHOE]

im using a nitto in mine (hasnt been started yet)

[sinistaGTR]

yeah as above, most MLS gaskets are pretty stout and there may be another issue. but i've got plenty of experience using tomei head gaskets personally and never had a problem. they are very high quality and have lasted through plenty of heat, power and kms. I'm always happy using tomei.

I had a acl one fail straight away after a rebuild on my old 33. Ordered the tomei and it was gold.