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2011-2014 Mustangs
Power-Adders
2.3 tvs efficiency range
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<blockquote data-quote="Justin@VMP" data-source="post: 14942545" data-attributes="member: 18468"><p>I like to run a tvs at 21-22psi max. On Rebecca's 11 5.0l with my blower we run a 20% OD lower, and 2.6 or 2.5 upper. With stock cams this would make 24psi, which was way too much, with comp stage 3 intake/stage 2 exhaust it makes about 18psi and we are able to run the smaller 2.5 or 2.4 pulley (which is what we would call a 66mm or 63mm in roush speak). The 20% lower is a prototype, it make 1 more psi than the 15% lower, but requires heavy modification to the accessory tensioner to clear.</p></blockquote><p></p>
[QUOTE="Justin@VMP, post: 14942545, member: 18468"] I like to run a tvs at 21-22psi max. On Rebecca's 11 5.0l with my blower we run a 20% OD lower, and 2.6 or 2.5 upper. With stock cams this would make 24psi, which was way too much, with comp stage 3 intake/stage 2 exhaust it makes about 18psi and we are able to run the smaller 2.5 or 2.4 pulley (which is what we would call a 66mm or 63mm in roush speak). The 20% lower is a prototype, it make 1 more psi than the 15% lower, but requires heavy modification to the accessory tensioner to clear. [/QUOTE]
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