Lsx block 6 bolt heads and boost
02-18-2015, 08:30 PM
#1
Teching In
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Lsx block 6 bolt heads and boost Just checking in with everyone to see how much boost they have put through a lsx 6 bolt combo without pushing water/blowing head gaskets. I know the tune is important and I know people have seen 20 plus psi with 4 bolt set ups. Just trying to see how much more reliable a 6 bolt combo is in everyone's experience and what head gasket you ran.
02-18-2015, 08:53 PM
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the lsx six bolt heads aren't much better than the oem ls7 castings. they are still a lightweight casting. we have seen 24 psi on the set on the COPO Super Stock engine. they seem to be holding ok using a cometic gasket. I personally don't think that setup would handle a whole lot more.
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02-18-2015, 10:45 PM
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02-19-2015, 06:29 AM
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02-19-2015, 08:56 AM
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