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LSA and ICL of new LS7 cam?

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Old Mar 23, 2005 | 01:12 PM
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Default LSA and ICL of new LS7 cam?

OK, we all know the cam is 211/230, but does anybody know the specific valve events? Intake centerline? Lobe separation angle? I've searched this board, Corvette Forum and several others and have not been able to come up with them. Help!
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
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2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
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Old Mar 23, 2005 | 01:36 PM
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Personally, I am pretty much unconcerned with anything past the duration... because regardless of what the other specs are, that cam is one thing, and one thing only... too small.

Not like I can afford a new Z06 anyhow, but it'll sure be interesting once people get ahold of them and start playing.
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Old Mar 23, 2005 | 01:38 PM
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Since a lot of the LS1 - LS6 stuff has been 117 I would think around there, though I recall one of the LS_ cams being 119.
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Old Mar 23, 2005 | 01:46 PM
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PSJ, if I were to guess, I'd say it was 119LSA and 119ICL, but I could be way off. I'm pretty sure the ICL is going to need to be 118+ in order to get the intake closing point past 44 degrees ABDC. I don't think you're going to have a 427 make peak power at 6200 rpm without closing the intake any earlier than 44 degrees ABDC (measured at .050" lift).
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.

Reply
Old Mar 23, 2005 | 04:43 PM
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i'd say 117lsa with a 119/120 icl
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