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SVTPerformance's Chain of Restaurants
The Blower Bistro
New numbers on Vortech Cobra after adding CXracing intercooler
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<blockquote data-quote="black4vcobra" data-source="post: 14951054" data-attributes="member: 82394"><p>Tuner didn't mention any belt slip and I don't see any evidence of it. I did spring for the Thump RRR tensioner so I hope there won't be any. </p><p></p><p>One thing to consider too is that I have an E-trim blower which supposedly has different gearing that was made for the high RPM 4V's. There isn't much info on it but from what I understand it needed a smaller pulley to match the boost of the S or Si trim blowers. </p><p></p><p></p><p>This is about the most "reliable" info I can find on the E-trim - <a href="http://www.alternativeauto.com/Vortech_Supercharger_Kit.html" target="_blank">http://www.alternativeauto.com/Vortech_Supercharger_Kit.html</a></p><p></p><p>"Vortech has done a superb job of making the Mach-1 scoop fit nicely around their supercharger package. One new and very noticeable feature with the Mach-1 Vortech blower is that they’ve gone back to the “SC”-Trim for this blower kit, not the “E”-trim that was used on the ’99 and ’01 Cobra’s. The SC-trim was first used exclusively on the ’96 thru ’98 cobras and is nothing more the tried and true “S”-trim with a slightly reduced impeller outer diameter that kept the blower from over boosting on the 7000+ rpm capable 4-valve engines.<strong> The E-trim was a good unit but only made about 7 psi of boost with stock pulleys and was limited to about 10 when over spun as far as you could go with the typical 6-rib Cobra pulley combination</strong>. When over-spun, the SC-trim can produce as much as 12-14psi on a typical 32 valve that sees 7000+ rpm’s."</p></blockquote><p></p>
[QUOTE="black4vcobra, post: 14951054, member: 82394"] Tuner didn't mention any belt slip and I don't see any evidence of it. I did spring for the Thump RRR tensioner so I hope there won't be any. One thing to consider too is that I have an E-trim blower which supposedly has different gearing that was made for the high RPM 4V's. There isn't much info on it but from what I understand it needed a smaller pulley to match the boost of the S or Si trim blowers. This is about the most "reliable" info I can find on the E-trim - [url]http://www.alternativeauto.com/Vortech_Supercharger_Kit.html[/url] "Vortech has done a superb job of making the Mach-1 scoop fit nicely around their supercharger package. One new and very noticeable feature with the Mach-1 Vortech blower is that they’ve gone back to the “SC”-Trim for this blower kit, not the “E”-trim that was used on the ’99 and ’01 Cobra’s. The SC-trim was first used exclusively on the ’96 thru ’98 cobras and is nothing more the tried and true “S”-trim with a slightly reduced impeller outer diameter that kept the blower from over boosting on the 7000+ rpm capable 4-valve engines.[B] The E-trim was a good unit but only made about 7 psi of boost with stock pulleys and was limited to about 10 when over spun as far as you could go with the typical 6-rib Cobra pulley combination[/B]. When over-spun, the SC-trim can produce as much as 12-14psi on a typical 32 valve that sees 7000+ rpm’s." [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
New numbers on Vortech Cobra after adding CXracing intercooler
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