supercharger rpm cutout ???
#16
05-27-2005, 12:30 AM
Originally posted by ben, lj
It'll likely happen eventually since it's illegal to sell SCs in CA without it, but like the other poster, I'm curious as to when.
It'll likely happen eventually since it's illegal to sell SCs in CA without it, but like the other poster, I'm curious as to when.
#17
05-27-2005, 09:03 AM
Former Vendor
Join Date: May 2004
Location: Monterey Park, CA
Posts: 2,173
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Originally posted by nik@vf
We are working on CARB approval this year.
We are working on CARB approval this year.
Evo? If so, will all the units out there get plates or stickers for their units for vehicles in CA?
-Eli
#21
05-27-2005, 06:12 PM
Originally posted by Todd @ EVO
Hello, I just wanted to clarify a few things. The rev limit is set at about 6900 RPMS. We do this b/c with the centrifugal type of supercharger, they generate more boost as the RPM's climb. The difference between a 6900-RPM limit and 7200-RPM limit is about 1.5 PSI of additional boost. To keep things safe, we have lowered the rev limit to prevent the boost to go beyond 6 PSI total for safety and longevity. We could keep the rev limit at 7200 RPM's however we would have to increase the pulley size, thus lowering the max boost to 6 PSI. This increase in pulley size would reduce the low to mid range power. There is a trade off either way or we chose this route to give the best of both worlds. Hope this information helps.
Hello, I just wanted to clarify a few things. The rev limit is set at about 6900 RPMS. We do this b/c with the centrifugal type of supercharger, they generate more boost as the RPM's climb. The difference between a 6900-RPM limit and 7200-RPM limit is about 1.5 PSI of additional boost. To keep things safe, we have lowered the rev limit to prevent the boost to go beyond 6 PSI total for safety and longevity. We could keep the rev limit at 7200 RPM's however we would have to increase the pulley size, thus lowering the max boost to 6 PSI. This increase in pulley size would reduce the low to mid range power. There is a trade off either way or we chose this route to give the best of both worlds. Hope this information helps.
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