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3x cam on stock heads

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Old Jan 16, 2008 | 05:40 AM
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Default 3x cam on stock heads

can you run the 3x cam with stock ls1 heads and valves without fly cutting? i called cartek and he said i should be ok, but i wanted to see if anybody had done a ptv check on it.

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Old Jan 22, 2008 | 10:16 AM
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With stock heads and stock thickness head gaskets you should be fine. 95% of the time. Just check it out(.070" minimum clearance).

Max
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Old Jan 22, 2008 | 11:08 AM
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I just finished installing a G5X3 114 LSA in my 2001 ZO6. The heads are ported LPE LS6 with 2.02/1.57 valves, milled to 61cc, using .052 MLS gaskets. The intake PTV is .056 and the exhaust PTV is .112. A 112 LSA would reduce the PTV. With an unmilled head with stock size valves you should be OK.

Russ Kemp
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Old Jan 22, 2008 | 12:45 PM
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Like said above, you should be fine with stock gaskets/valves. 112 LSA here and no PTV problems. I would at very least turn the motor over by hand after installing the cam to check though.
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Old Jan 22, 2008 | 01:42 PM
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I run the X3 on a 112 with 59cc AFR's, you'll be gravy
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Old Jan 22, 2008 | 04:48 PM
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i may be off base here but I think the OP is talking about Carteks 3x cam and you guys are talking about the G5x3, maybe their similar cams i dunno, just thought i'd post though
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Old Jan 22, 2008 | 04:51 PM
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Originally Posted by night ryder
can you run the 3x cam with stock ls1 heads and valves without fly cutting? i called cartek and he said i should be ok, but i wanted to see if anybody had done a ptv check on it.
I had a 3x cam only with the stock heads and it did not rquire flycutting. It was one of their earlier 3x cams and sometimes the do change the specs slightly but you should be fine.
I also went 10.9x's cam only @127
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