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The Terminator
Terminator Talk
Best upper lower to reach 25 ilbs boost on 2.9 whipple
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<blockquote data-quote="Nadra" data-source="post: 16014551" data-attributes="member: 96452"><p>Absolutely. Factory OEM style MLS head gaskets are light years ahead of where head gasket sealing technology used to be only a few short years ago. I am not an expert but I studied this area of engine integrity at length when I went thru my engine back in 2015. The conclusion I have come to accept as realistic (not necessarily 'fact' per se) is that boost from a PD blower should be capped at around 21-22 psi with the factory gaskets/head bolts. Boost from any turbo set up can be increased to around 26-28 psi. Beyond that...you are definitely rolling the dice with the factory set up; the head bolts are well beyond their engineered parameters.</p></blockquote><p></p>
[QUOTE="Nadra, post: 16014551, member: 96452"] Absolutely. Factory OEM style MLS head gaskets are light years ahead of where head gasket sealing technology used to be only a few short years ago. I am not an expert but I studied this area of engine integrity at length when I went thru my engine back in 2015. The conclusion I have come to accept as realistic (not necessarily 'fact' per se) is that boost from a PD blower should be capped at around 21-22 psi with the factory gaskets/head bolts. Boost from any turbo set up can be increased to around 26-28 psi. Beyond that...you are definitely rolling the dice with the factory set up; the head bolts are well beyond their engineered parameters. [/QUOTE]
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Best upper lower to reach 25 ilbs boost on 2.9 whipple
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