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L92 lq4 cam question

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Old Jan 13, 2014 | 02:18 PM
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Default L92 lq4 cam question

Hi , I'm new to the lsx world and bought my first lq4 and am starting a budget build. The bottom end will be stock and a have a set of new l92/823 heads and have been reading up on ptv clearence issues. I talked to someone at tsp and was told I'd be ok with there 235/239 cam if I don't mill the heads but then ill be left with not much compression , I really can't afford after market pistons and I don't want to flycut can anyone here give me some advice?

Ill be using a stock ls3 intake as well
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Old Jan 13, 2014 | 02:23 PM
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Mill 0.020" and flycut...
I had a lq9 with s g5x3 (234/243 112) with L92 heads milled 0.020" and flycut .060"...comes out to 10.6-10.7 or so compression...
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Old Jan 13, 2014 | 03:44 PM
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Originally Posted by moeZ28
Mill 0.020" and flycut...
I had a lq9 with s g5x3 (234/243 112) with L92 heads milled 0.020" and flycut .060"...comes out to 10.6-10.7 or so compression...
Would that be relatively similar with an lq4 piston? And what kind of numbers did ours make?
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Old Jan 13, 2014 | 03:50 PM
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What cam would be good to go with if I don't flycut or mill. I really need to stay cheap
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Old Jan 14, 2014 | 12:13 AM
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Or you can just run a smaller cam. The LS3/L92 heads don't need a big cam to make power. I would run something in the 226/234 114 LSA range.
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