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Generation III Internal Engine 1997-2006 LS1 | LS6
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prc 2.5 5.3 59cc ptv?

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Old 10-28-2010, 02:09 PM
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Default prc 2.5 5.3 59cc ptv?
Anyone know if the prc 2.5 5.3 heads milled to 59cc will clear the tsp 228r camshaft? If so what kind of rwhp could I expect?
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Old 10-28-2010, 02:25 PM
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Supposidly from what I've come across on here, with the stock gm gasket it should fit but any bigger will be getting very close. Still measure though.
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Old 10-28-2010, 10:44 PM
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i have the PRC stg 2.5 milled to 60cc, and im running the Torquer V2...232/234 595/598 112
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Old 10-28-2010, 10:52 PM
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Any way to place the head first, measure, then decide how much to mill? Unless you are buying them already milled.
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Old 10-29-2010, 11:31 AM
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I was gonna order the heads milled. Maybe Tsp will chime in.
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Old 10-29-2010, 11:40 AM
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i would say you could get away with doing a 59cc with that cam and those heads
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Old 10-29-2010, 03:33 PM
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best way to order them milled is to use your stock heads and check your PTV, then use that to decide how much to mill and still be safe.
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