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The Terminator
Engine/Tuning
Street queen on pump gas blower size opinions
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<blockquote data-quote="c6zhombre" data-source="post: 16042183" data-attributes="member: 76381"><p>As Brady mentioned.....dyno numbers can have a ton of variances and assumptions about correction factors and conditions.</p><p></p><p>I think the better way to approach it, is from the "fuel/boost/timing" angle and what is appropriate to keep a motor together longterm. I thnk its always best on the 91 and 93 pump gas situations to keep boost lower than one might be tempted to do with a simple pulley swap off the shelf. You might get a hero dyno number, but real world you're creating high IAT2 temps that will quickly pull the timing. Maybe on 91 octane that means 16psi and 16 degrees....maybe on 93 that means 18psi and 17 degrees. Let dyno numbers fall where they may....safety first because fuel variations happen and you have no way of testing pump side.</p><p></p><p>Now on E85, go for the gusto. High boost......high timing. IAT2 is not near a concern. There won't be any timing pulled until stupid high IAT2s. E85 makes more fun....and for much longer durations.</p><p></p><p>I won't even entertain numbers where torco would be considered.....I wouldn't run that in my lawn mower much less a terminator.</p></blockquote><p></p>
[QUOTE="c6zhombre, post: 16042183, member: 76381"] As Brady mentioned.....dyno numbers can have a ton of variances and assumptions about correction factors and conditions. I think the better way to approach it, is from the "fuel/boost/timing" angle and what is appropriate to keep a motor together longterm. I thnk its always best on the 91 and 93 pump gas situations to keep boost lower than one might be tempted to do with a simple pulley swap off the shelf. You might get a hero dyno number, but real world you're creating high IAT2 temps that will quickly pull the timing. Maybe on 91 octane that means 16psi and 16 degrees....maybe on 93 that means 18psi and 17 degrees. Let dyno numbers fall where they may....safety first because fuel variations happen and you have no way of testing pump side. Now on E85, go for the gusto. High boost......high timing. IAT2 is not near a concern. There won't be any timing pulled until stupid high IAT2s. E85 makes more fun....and for much longer durations. I won't even entertain numbers where torco would be considered.....I wouldn't run that in my lawn mower much less a terminator. [/QUOTE]
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