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918's with XE-R lobes?

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Old Sep 7, 2004 | 04:11 PM
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Default 918's with XE-R lobes?

My homie wantin to put in my old cam. He has stock retainers, and 918's on a stock ls1 head/motor.

cam is

Comp Cam XE-R
232/236 .595/.601 @ 112

Will the 918's hold up to these aggressive lobes?
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Old Sep 7, 2004 | 04:15 PM
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No, they are rated for 600 lift, that one is 601. So I def would go with dual springs.
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Old Sep 7, 2004 | 04:35 PM
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I've heard of them used for cams of around that size...BUT I wouldn't go there. Duals are to cheap to not use them.
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Old Sep 7, 2004 | 04:39 PM
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I'm usually fine with running near or at recommended lifts, but NOT with an XER grind. Go dual.
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Old Sep 7, 2004 | 04:59 PM
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Too risky at that lift with the xer
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Old Sep 7, 2004 | 05:00 PM
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Originally Posted by next
I'm usually fine with running near or at recommended lifts, but NOT with an XER grind. Go dual.

too extreme a lobe profile. if you like to kiss your pistons, run that for about 15k miles....if you get that far

many ppl have had good luck with 918's. i wouldn't risk it. go duals...either crane, or even better, patriot golds.
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Old Sep 7, 2004 | 06:37 PM
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Remember, Comp used to rate the 918s at .625" max lift, but lowered it to .600 once their 921 Duals came out...hmmm...
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Old Sep 7, 2004 | 06:39 PM
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Originally Posted by MyLS1Hauls
Remember, Comp used to rate the 918s at .625" max lift, but lowered it to .600 once their 921 Duals came out...hmmm...
i had forgotten about that....
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Old Sep 7, 2004 | 06:45 PM
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Check this out Note the lift and rpm specs.
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Old Sep 8, 2004 | 12:11 AM
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I use 918's with my XE-R, but the lift isn't nearly that high. With that cam, I'd get some duals for sure.
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