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LSR 239/247 .624 .624 114, will it clear?

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Old 01-22-2010, 06:28 PM
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Default LSR 239/247 .624 .624 114, will it clear?

i got this cam for my 408 im building, but i want to see what it will do in my LQ4 for the time being, but i'm concerned with valve clearance. although i have stock dished pistons, this cam has a lot more lift than a TREX cam... although less duration and a wider split. my heads are stock 317s.

before you criticize my choice of cam for 9.5:1 compression and stock heads, i know this already. im just looking for input on clearance.

any thoughts?
Old 01-22-2010, 07:42 PM
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whatss your comp ratio? if u have 11.0to 11.5 cr i have a magic stick -4 that will work. pm me let me know
Old 01-22-2010, 07:57 PM
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just leave the trex not worth he swap...
Old 01-22-2010, 09:04 PM
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dont think he he is running the trex i say it will clear the heads r 72cc rite? i would check ptv to be sure. good luck
Old 01-22-2010, 09:42 PM
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No matter what ANYONE says you have to check for yourself!!!! They wont send you a check if they are wrong when your engine dies.....

The LQ4 has a dish and piston notches... for a 2.00" valve, not a 2.160!!!
Old 01-22-2010, 10:33 PM
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Originally Posted by johnster
dont think he he is running the trex i say it will clear the heads r 72cc rite? i would check ptv to be sure. good luck
good catch I guess I read that too fast
Old 01-22-2010, 11:10 PM
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Originally Posted by SweetS10V8
No matter what ANYONE says you have to check for yourself!!!! They wont send you a check if they are wrong when your engine dies.....

The LQ4 has a dish and piston notches... for a 2.00" valve, not a 2.160!!!
Amen
I am sure that any one that tells you "yeah" will be more than glad to reach in their pockets for you if they're wrong.
Old 01-25-2010, 08:44 AM
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yea all im running is the TR224 right now. ill probablly hold off and just wait for the new engine with valve reliefs. no sense in blowing up this engine when it already makes retarded power and gets over 25mpg on the highway.
Old 01-25-2010, 09:20 AM
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The internet can't check PTV clearance for you.
Old 01-25-2010, 06:11 PM
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Originally Posted by Damian
The internet can't check PTV clearance for you.
but it can degree a cam right...that's what people mean by dot to dot



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