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The Terminator
Engine/Tuning
Pulley combo
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<blockquote data-quote="Black02GT" data-source="post: 14945068" data-attributes="member: 23818"><p>This seems to be the go to for e85. I'm running a 2.93/4# right now on 93 without the chiller. I have a 6# but judging by my IAT2s I would want e85 or I wouldn't gain much due to having to back my timing down a bit.</p><p></p><p>For this reason I would personally run a 2.76/2# over the 4# unless you live in a cooler area with good cooling mods, or on e85. Just never seemed worth adding the 2psi if you have to retard the timing, barely make gains, and heatsoak even faster.</p><p></p><p>There is a comparison on ModFords by BADASS03SVT at the track that the 2.93/6# was about equal to the 2.93/4# (comparable to 2.76/2#or4#). Really start to hit diminishing gains at that level, and this was on a Posi port (arguably peaks highest RPM of all ports)</p></blockquote><p></p>
[QUOTE="Black02GT, post: 14945068, member: 23818"] This seems to be the go to for e85. I'm running a 2.93/4# right now on 93 without the chiller. I have a 6# but judging by my IAT2s I would want e85 or I wouldn't gain much due to having to back my timing down a bit. For this reason I would personally run a 2.76/2# over the 4# unless you live in a cooler area with good cooling mods, or on e85. Just never seemed worth adding the 2psi if you have to retard the timing, barely make gains, and heatsoak even faster. There is a comparison on ModFords by BADASS03SVT at the track that the 2.93/6# was about equal to the 2.93/4# (comparable to 2.76/2#or4#). Really start to hit diminishing gains at that level, and this was on a Posi port (arguably peaks highest RPM of all ports) [/QUOTE]
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