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SBE LS6, Bolt Ons, Valvetrain, LS6 or LS9 Cam?

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Old 03-24-2024, 09:41 AM
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This forum really needs to grow with the times and allow an emoji response to posts instead of just a like button. Some of this is hilarious. Then again it's a forum so it's already left behind.
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Old 03-24-2024, 10:17 AM
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Originally Posted by ddnspider
This forum really needs to grow with the times and allow an emoji response to posts instead of just a like button. Some of this is hilarious. Then again it's a forum so it's already left behind.
Hear, hear!
Old 03-24-2024, 10:30 AM
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Originally Posted by G Atsma
stockA4- Do you have the specs for that cam?
The only one listed in Summit's online spec sheets are the early LS7, which is barely different from the LS9 (1 degree less intake duration, 2.5 degrees more LSA).
I'm sure many here would like to know about it.
he's building his six-speed and he's going to run a 4.50 gear, step aside and let the big boys talk.

My 1251 checked in at 207/232 121.3 - 1.2 with a stock timing set So At 0.050 you'll get these happy little #'s

Ivo -19
Ivc 46
Evo 56
Evc -4

I'd love to see the difference between the LS6 intake and the ported 102 with this cam in a 5.7L with 1 7/8" headers and a smart exhaust system
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Old 03-24-2024, 05:44 PM
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Originally Posted by stockA4
he's building his six-speed and he's going to run a 4.50 gear, step aside and let the big boys talk. ( How condescending of you...)

My 1251 checked in at 207/232 121.3 - 1.2 with a stock timing set So At 0.050 you'll get these happy little #'s

Ivo -19
Ivc 46
Evo 56
Evc -4

I'd love to see the difference between the LS6 intake and the ported 102 with this cam in a 5.7L with 1 7/8" headers and a smart exhaust system
So GM cuts intake duration by 3 and increases exhaust duration by 2, then widens LSA by 1.3 and retards it 1.8 less.
If it's a better cam, OK, but not by much if any. It's still a huge emissions compromise with that huge LSA. Mostly splitting hairs...



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