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The Terminator
Terminator Talk
Stock vs. Pullied Cobra Drivability
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<blockquote data-quote="black 10th vert" data-source="post: 14741721" data-attributes="member: 65729"><p>On an unported Eaton I wouldn't go any smaller than 2.93 as that seems to be be kind of a sweet spot pulley. If you port the blower later, then you can just throw a 4# lower on and have an awesome, well proven combo that will make a solid 500rwhp. Trying to spin an unported blower that hard (with a 2.76) is just going to heat soak it very quickly and honestly won't net you any more real power than the 3" that someone else suggested. The other thing is you WILL have belt slip with the 2.76 if you don't run a snub idler (I would recommend it anyway), but with a 2.93, or 3", you can probably get away without it if you size the belt correctly. As said the actual drivability is almost entirely based on the tune so don't worry about the pulley affecting that.</p></blockquote><p></p>
[QUOTE="black 10th vert, post: 14741721, member: 65729"] On an unported Eaton I wouldn't go any smaller than 2.93 as that seems to be be kind of a sweet spot pulley. If you port the blower later, then you can just throw a 4# lower on and have an awesome, well proven combo that will make a solid 500rwhp. Trying to spin an unported blower that hard (with a 2.76) is just going to heat soak it very quickly and honestly won't net you any more real power than the 3" that someone else suggested. The other thing is you WILL have belt slip with the 2.76 if you don't run a snub idler (I would recommend it anyway), but with a 2.93, or 3", you can probably get away without it if you size the belt correctly. As said the actual drivability is almost entirely based on the tune so don't worry about the pulley affecting that. [/QUOTE]
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Stock vs. Pullied Cobra Drivability
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