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Original Message
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RE: 390GT rebuild - ignore if you read it on VMF |
By Dano - 07/16/2004 12:21:18 AM; IP 67.50.229.32 |
I copied a Janurary 03 Hotrod magazine article buildup for my 69 Mustang Mach 1 390. Hot Rod got 450hp out of it but I only managed 420 @ 5300rpm, above 5300, it got valve float, since the power was still increasing, It probably would have hit 450hp near 6000rpm. Since I can only handle doing a stock type rebuild myself, I had an engine builder do it for me. The parts we used were Crane hydraulic roller powermax cam, Erson roller rocker shaft assembly, custom pushrods, Edelbrock RPM heads, Performer RPM intake, Holley Street Avenger 770 cfm vacuum secondary carb, Speed Pro forged pistons, 9.8 compression, 92 octane pump gas, balanced reciprocating assy, stock 390 rods with ARP bolts, stock 390 crank and block bored .030. ARP head and main bolts. |
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