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5.3l heads: How Much Did you Mill Your Heads

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Old 10-07-2004, 07:04 PM
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Default 5.3l heads: How Much Did you Mill Your Heads

Just looking to see if people are taking 30 thousands or more to acheive mid 11s for a CR.
Old 10-07-2004, 07:16 PM
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I think mine are 30 thousands... 58cc chambers to accomidate the 2 cc valve reliefs to get 11:1.
Old 10-07-2004, 08:41 PM
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The heads on my car are milled .030". We have them milled as much as .060" without any problems. If had more time before I built my motor, I would have shaved them even more!

Jason




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