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The Terminator
Engine/Tuning
What components should I choose for a return setup?
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<blockquote data-quote="c6zhombre" data-source="post: 16079768" data-attributes="member: 76381"><p>It's actually pretty simple to understand......you are advocating the "dyno hero" approach and I'm suggesting "real day to day world" approach. 93 gas tune might make a great hp/tq number on a dyno going all out high psi after full cool down.....but on the street, it will lose performance in a rapid fashion when the IAT2 goes north of 100....then 125....then 150 there is so much timing pulled via the tune, it's lost all the fun. More boost equals more heat. Cylinder temps will get stupid high on 93 and high boost and these motors (piston/rings/head warp) are far from indestructible on pump gas and twin screw/tvs......there are rebuild threads all over this forum from people pushing pump gas setups. </p><p></p><p>You cannot test pump 93. You have no idea what you are pumping into the car. From his original description, I believed he was making in excess of 20psi. I suggested pulleying down. To what extent, that's up to him and his tuner. Personally, I would rather run slightly less boost, and more timing on pump 93. Fuel quality varies, if you don't believe that....then to each their own. I don't like playing Russian roulette. And I will never suggest torco, sorry. Wouldn't run that in my lawn mower much less my hot rod.</p><p></p><p>Now all of this goes out the window on E85. Run high boost, high timing. You can test the fuel pump side so there is no mystery what's going in. The cylinder temps stay frigidly cold versus pump 93. IAT2? E85 laughs at IAT2. You won't pull any timing at 100....125.....150....even higher. You will not detonate on E85, so piston/ring heat related damage is not near a concern.</p></blockquote><p></p>
[QUOTE="c6zhombre, post: 16079768, member: 76381"] It's actually pretty simple to understand......you are advocating the "dyno hero" approach and I'm suggesting "real day to day world" approach. 93 gas tune might make a great hp/tq number on a dyno going all out high psi after full cool down.....but on the street, it will lose performance in a rapid fashion when the IAT2 goes north of 100....then 125....then 150 there is so much timing pulled via the tune, it's lost all the fun. More boost equals more heat. Cylinder temps will get stupid high on 93 and high boost and these motors (piston/rings/head warp) are far from indestructible on pump gas and twin screw/tvs......there are rebuild threads all over this forum from people pushing pump gas setups. You cannot test pump 93. You have no idea what you are pumping into the car. From his original description, I believed he was making in excess of 20psi. I suggested pulleying down. To what extent, that's up to him and his tuner. Personally, I would rather run slightly less boost, and more timing on pump 93. Fuel quality varies, if you don't believe that....then to each their own. I don't like playing Russian roulette. And I will never suggest torco, sorry. Wouldn't run that in my lawn mower much less my hot rod. Now all of this goes out the window on E85. Run high boost, high timing. You can test the fuel pump side so there is no mystery what's going in. The cylinder temps stay frigidly cold versus pump 93. IAT2? E85 laughs at IAT2. You won't pull any timing at 100....125.....150....even higher. You will not detonate on E85, so piston/ring heat related damage is not near a concern. [/QUOTE]
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What components should I choose for a return setup?
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