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Original Message
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| RE: 390 Build Up |
| By Ross - 11/11/2003 10:20:13 AM; IP 198.26.130.37 |
Bob I think 500 horse is a little ambitious from a 390, but, if I were to try it I'd do the following. It'd be radical though
- Edelbrock alum heads with a serious professional porting and as much valve as you can fit. Probably CJ sized, but with a good back cut to boot
- 11:1 compression or better to live with the big cam
- A big roller cam 250@.050 or more with lift to match the heads
- A Dove single plane or Victor intake and a big Holley Double Pumper, 850-ish
- Finally find some older or custom big tube headers, 2 inch or so
That 390 would snort, but it wont like to idle and you'll have to rev the pi$$ out of it so all the high dollar short block stuff would be needed to hold together
IMO I would build a 375-400 horse motor and put another 100 shot of juice. Overbuild the lower end for the juice but keep it mild enough to be driveable, then when you hit the button, voila, you have your 500+ |
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