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which head is better

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Old 06-06-2006, 10:20 PM
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Default which head is better

PRC LS6 CNC Ported Heads or the PRC LS6 Stage 2.5 CNC Ported Heads?
Old 06-06-2006, 10:23 PM
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Or. PRC 5.3 2.5 cnc ported heads.
Old 06-06-2006, 10:23 PM
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Depends on what you are trying to acheive....higher compression?
Old 06-06-2006, 10:28 PM
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Originally Posted by orangeapeel
Depends on what you are trying to acheive....higher compression?

i just want to know what are the differences between those two heads? what does that 2.5 stand for also?
Old 06-06-2006, 10:30 PM
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Stage two and a half.
Old 06-06-2006, 11:45 PM
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Usually the "stages" are an increase valve sizes. What cam are you going to be running??
Old 06-07-2006, 12:33 AM
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Increased vavle size and a matching vavle job. It'll flow better than the stock vavled stage 1 head but you'll be very limited in cam size with the stock pistons.
Old 06-07-2006, 11:15 AM
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Originally Posted by orangeapeel
Depends on what you are trying to acheive....higher compression?

whats the advantages of higher compression?
Old 06-07-2006, 11:27 AM
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Originally Posted by DocEwww
Increased vavle size and a matching vavle job. It'll flow better than the stock vavled stage 1 head but you'll be very limited in cam size with the stock pistons.
i was looking at the g5x3 cam or ms3 cam on a 112lsa. and i was wanting to run the PRC ls6 cnc ported stage 2.5 heads with the 2.04/1.575 valves
Old 06-07-2006, 04:22 PM
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you will not be able to run bigger than stock valves with the MS3 without flycutting the pistons.
Old 06-07-2006, 04:41 PM
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Originally Posted by orangeapeel
Stage two and a half.
Old 06-07-2006, 05:15 PM
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Originally Posted by Rescue Ranger
What?! He asked what it meant!


Anyway, raised compression (static or dynamic) can essentially lead to more power, but along with that comes tighter quench and so forth.




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