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SVTPerformance's Chain of Restaurants
Road Side Pub
Advice Needed from 6.7 Cummins Experts...
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<blockquote data-quote="SVTXTC" data-source="post: 16559024" data-attributes="member: 163504"><p>i didn't have a good answer for you was just curious if he just wanted more power i guess, does the shop think he's running high EGTs and that what caused it to crack ? its cracked at the EGR runner correct, looks like the bolt could be broke to? I'm curious because a buddy just bought a newer 1 and i will be working on it with him when needed and its nice to have known problems to look for.</p></blockquote><p></p><p>my understanding of the issue can best be quoted here “The oem manifold is prone to movement and warping from the repeated heating/cooling cycles that it experienes. This is why most aftremarket companies move to a 2 piece manifold design. I have read more then several owners who have had to replace it with an aftemarket manifold after removing the oem mani because the manifold holes and head studs were not even close to lining up anymore. While it is possible that it is only the gaskets causing your exhaust leak, it is MORE likely that it is manifold movement that is the cause.”</p><p>[/QUOTE]</p>
[QUOTE="SVTXTC, post: 16559024, member: 163504"] i didn't have a good answer for you was just curious if he just wanted more power i guess, does the shop think he's running high EGTs and that what caused it to crack ? its cracked at the EGR runner correct, looks like the bolt could be broke to? I'm curious because a buddy just bought a newer 1 and i will be working on it with him when needed and its nice to have known problems to look for.[/QUOTE] my understanding of the issue can best be quoted here “The oem manifold is prone to movement and warping from the repeated heating/cooling cycles that it experienes. This is why most aftremarket companies move to a 2 piece manifold design. I have read more then several owners who have had to replace it with an aftemarket manifold after removing the oem mani because the manifold holes and head studs were not even close to lining up anymore. While it is possible that it is only the gaskets causing your exhaust leak, it is MORE likely that it is manifold movement that is the cause.” [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
Advice Needed from 6.7 Cummins Experts...
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