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Original Message
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| motor modifications |
| By carlos - 05/07/2003 4:00:49 AM; IP 32.103.153.253 |
| Hey guys, hope you can help. I am building a 390 motor bored 40 over with C7AE-A heads, holley 650 carb, hooker super comp headers, a C6 automatic tranny, 3.50 gears and compression at 9.5 to 1. My question is should i boost compression to 10 to 1 and how would i do that?? do i mill the heads or change pistons? also i planned to have heads port and polished, is this a good idea or not?? Finally i have been racking my brain on which cam to go with. I want a choppey idle with just enough vacume for my power brakes but i also want a wide power band with good torque. I was thinking of the COMP 280H or the comp cams 270H, WHAT DO YOU THINK?? Thanks for your help in advance. |
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