Generation III Internal Engine 1997-2006 LS1 | LS6
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please help me understand specs on this cam

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Old May 18, 2009 | 02:58 PM
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Default please help me understand specs on this cam

Duration @ .050 221/221 114+4
Lobe lift .330/.330
Valve lift 1.7 Rocker .561/.561

LA114 is that correct what is the +4 is that advance?

what would be the characteristics of this cam on a stock LS1 with 799 heads?
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Old May 18, 2009 | 03:10 PM
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Duration is how long the valves are open.

Lift is how far the valves open.

The +4 is camshaft advance that is ground into the camshaft.

That cam in a stock headed LS1 would be a good DD cam, have a choppy/fast machine gun sounding idle.
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Old May 18, 2009 | 03:14 PM
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what is the advantage/disadvantage of having the cam 4 degrees advanced?
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Old May 18, 2009 | 03:16 PM
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Originally Posted by mike13
what is the advantage/disadvantage of having the cam 4 degrees advanced?
puts the power band slightly lower, that cam wouldn't be too bad down low anyway. that would be a great DD cam and it would sound almost stock depending on your exhaust.
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Old May 18, 2009 | 06:01 PM
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pretty small cam.

probably about 370rwhp depending on boltons and driveline.
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Old May 19, 2009 | 04:38 AM
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That looks like a Lunati cam, Valve events at .050 are:
0.5>IVO
40.5>IVC
48.5>EVO
-7.5>EVC
118>ECL
-7* Overlap

So in general looks like with LS6 intake about 6000 rpm peak, good midrange trq potential, fairly stealthy, will pass Cali emissions, power range 1400>6300 rpm (346 stock)
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Old May 19, 2009 | 07:33 AM
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I was thinking the same thing, it looks like a little hotter LS6 cam.
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