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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: 16011528" data-attributes="member: 96452"><p>I agree. While possible(?), you will def be at the ragged edge on the 80s. ID1000s or 1300s are a better choice. And yeah, 25 psi is starting to really ask a lot from the OEM head bolts but more specifically the head gaskets. Most guys like you (us) who are shooting for 700ish try to stay around 21-22 psi on e85. At 25 psi from a screw blower, you are at or fast approaching the sealing capabilities of the std. MLS head gasket. You can add a little more boost from a turbo or TT setup and most would say factory head gaskets would survive but again, your weak link is still the factory head bolts. For reference, I have ARP2000 head studs in mine and I still keep it around 21 psi.</p></blockquote><p></p>
[QUOTE="Nadra, post: 16011528, member: 96452"] I agree. While possible(?), you will def be at the ragged edge on the 80s. ID1000s or 1300s are a better choice. And yeah, 25 psi is starting to really ask a lot from the OEM head bolts but more specifically the head gaskets. Most guys like you (us) who are shooting for 700ish try to stay around 21-22 psi on e85. At 25 psi from a screw blower, you are at or fast approaching the sealing capabilities of the std. MLS head gasket. You can add a little more boost from a turbo or TT setup and most would say factory head gaskets would survive but again, your weak link is still the factory head bolts. For reference, I have ARP2000 head studs in mine and I still keep it around 21 psi. [/QUOTE]
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Best upper lower to reach 25 ilbs boost on 2.9 whipple
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