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Old 10-19-2007, 01:17 AM   #1
tone loc
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Default what size mhg??

-.004 on the head and -.003 to -.005 on the block. what size should i get and whats the best brand?
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Old 10-22-2007, 09:00 PM   #2
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bump can someone give me a hand?
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Old 10-23-2007, 01:51 AM   #3
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1.2mm should still be fine unless you want a thicker one like the 2mm. i've used the cometic and hks, they both work the same and are metal. but the hks is more expensive than the cometic
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Old 10-23-2007, 02:42 AM   #4
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what are the effects between the 1.2mm and 2mm on the engine?
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Old 10-23-2007, 02:53 AM   #5
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It will effect your compression ratio, the thicker the hg the better (lower compression) if you're running higher boost
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