Exhaust manifold cracks

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sigmaproject
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Exhaust manifold cracks

Post by sigmaproject »

I was always under the impression that Mitsubishi fixed the exhaust manifold crack problem with the release of the JB. Is this correct or is it still a prob with later manifolds as well?? :beer
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scum
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Post by scum »

fix is simple, find the spot on the collector where they normally crack and drill a 15mm or so hole, tap a thread and screw in a mild steal plug, ryco hydraulics have them, or any hydraulic and mining suppliers. my cordia went for 2 1/2 years, with a glowing white manifold. not one crack.

don’t ask how it works, I know how but cant explain it. or cant be bothered. or don’t have time.... or something.

ps, this still dosent answer u'r question.. :roll:
I figured out the meaning of life, and since then every day just gets worse.

Warranty void if stupid.
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Camotec
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Post by Camotec »

Nope I have 2 JB manifolds that are both cracked, maybe that was a JD thing? i dunno but it's a shit :)

Prozac: interesting, I might have to try that
ProZac
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Post by ProZac »

wtf? i didnt suggest anything?

My posts are never as entertaining as scums! :)
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Camotec
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Post by Camotec »

haha what was i thinking, i just can't stop thinkin about ya prozac lol

correction: interesting "scum" i might try that
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Jesusdroveawestfield
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Post by Jesusdroveawestfield »

from my exp JD manifolds do not crack.
I wouldnt want to belong to any club that would have me as a member
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Cookiemonster
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Post by Cookiemonster »

Daryl... can you lend me your JD manifold and a hammer please? Thanks.
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StarionChef
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Post by StarionChef »

crack whores :) , mines wrapped and glows, but no cracks yet. Untill it hits the concrete floor when I replace it with something that "works"
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Abalistic
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Cracks

Post by Abalistic »

My JA had a crack in the manifold from day one, take it off and grind a big "V" section in the crack, heat the whole manifold up to cherry red with an OXY, then have your welder ready with a Stainless steel arc rod. And weld it up.
It will last about a year, JB's have the same problem. But late model JB's and JD's have a different casting for the manifold, they have a thicker section right wear it usualy cracks.

A.
JA 4g63Dash To4 Intercooled Wolf 3dv4
Jb Standard
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Starions since 1993.
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