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Old Jun 14, 2005 | 09:28 PM
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Default New Comp Cam
Hey guys. I talk to Comp this afternoon and they said they have a new cam out called EFI-5 It has a 230/236 on a .612/.615 lift at a 112lsa. It has a little less ramping then the XER cam. Sounds like something I am looking for. You can get more lift because of the less agressive ramp. Has anyone had any knowledge or use of this cam? Good or bad?
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Old Jun 14, 2005 | 10:08 PM
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what are the benefits of less aggressive ramp up?
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Old Jun 14, 2005 | 10:23 PM
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Originally Posted by 1999 SS
what are the benefits of less aggressive ramp up?
Easier on the springs, little more lope and longer seat to seat duration for a given lift. (i think, i'm still trying to figure all this out myself)
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Old Jun 15, 2005 | 10:01 PM
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Originally Posted by 1999 SS
what are the benefits of less aggressive ramp up?
You can get more lift in the cam.
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Old Jun 15, 2005 | 10:58 PM
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Originally Posted by Unaffiliated Racing
No...it's called the XFI series(Xtreme Fuel Injection). It's a new lobes series designed for fuel injected motors.
are they in the 2005 catalog?
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Old Jun 16, 2005 | 10:01 PM
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Hey Brian tell us some more about these new lobes. Are there a lot of lobes like the XER or are we limited to the 230/236 durations?
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Old Jun 17, 2005 | 06:04 AM
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Sounds promising!
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Old Jun 17, 2005 | 09:19 AM
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Originally Posted by Unaffiliated Racing
There are several more lobes to choose from. The new catalog isnt out yet, it will be later this year. These lobes are in the 05' master lobe catalog though. They are just slightly less aggressive than the XER with higher lifts. They are made for higher rocker ratios(1.6,1.7).

Thanks,
Brian
Come on guys. Anybody have this in there car? Or know somebody that does. I would like to get some numbers before I buy one.
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Old Jun 17, 2005 | 07:18 PM
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heres the lobes if anybody is interested:



you can compare them to the XE and XE-R lobe lists posted in the cam guide.
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Old Jun 17, 2005 | 07:21 PM
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Originally Posted by as35thss
Come on guys. Anybody have this in there car? Or know somebody that does. I would like to get some numbers before I buy one.
you'll be hard pressed to find any here. one, there new, and most sponsors dont use many lobe lines out side of the 3700. you'll most likely need to find someone who went with a custom.
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Old Jun 17, 2005 | 09:00 PM
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Originally Posted by Unaffiliated Racing
No...it's called the XFI series(Xtreme Fuel Injection). It's a new lobes series designed for fuel injected motors.
Does this mean that my cam with XER lobes wasn't designed for fuel injected motors ?
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