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Will a Trex cam fit in a Ls3?

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Old 12-04-2008, 04:20 PM
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Default Will a Trex cam fit in a Ls3?

Hey guys i know this isn't the best cam of choice but it might be my only choice i have for now to get my car up in running.
Old 12-05-2008, 08:07 PM
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Can anyone tell me if the valves will hit the piston??
Old 12-06-2008, 09:06 AM
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A very good chance they will mate you want to get the PTV checked on that one for sure.

cheers
Old 12-06-2008, 10:12 PM
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I really don't won't to pull the heads, nobodys tried a cam this size already?
Old 12-06-2008, 10:19 PM
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im sure someone will correct me if im not completly right, but the rectangular ls3 ports are rather lazy and dont like huge cams, they make much more power with a somewhat smaller cam, that may be the reason most of us dont know, because they arent used in our motors often as they make less power.

why would you have to pull the heads? install the cam, try to turn the motor over with a wrench on the balancer bolt, if it stops at any point you know it wont fit, right?
Old 12-06-2008, 10:20 PM
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and is this for your 416? are you not running forged pistons that have valve reliefs built in??? that will help greatly on your ptv
Old 12-06-2008, 10:33 PM
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No my cam only 346 might be sold, i need my car to drive so i cant wait to do the 416 right now.



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