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05-28-2004 09:46 PM #7
horsepower estimate?
i know this is kinda off the subject. I have a truck that has a 390. After screwing around with having my heads done , It has kinda high compression. Is a range of 187 to 195 ish psi acceptable variance. The truck has an RV cam, and is bored .030, with a weiand intake and a 625 carter afb comp, and electronic ignition. Oh also it has Headers and roughly 2.5 inch dual exhaust. Roughly speaking, what kinda horsepower does this thing have? I have a dana 70 rear end with 3.73 gears and really rapping the engine out i can do about 105 mph, my tach sorta functions it seems the engine gets up around 5500 rpm. Really just curious of what kinda HP this thing may have.
PS i would think any reputable machine shop would do something to fix those problems. i forgot to mention, if the milled the crap outta the heads, you may have intake manifold problems if they didn't mill the intake manifold at the same time. Hmm i wonder if one head were milled more then the other, if it would create alignment issues on that intake, for the distributor. It could definately create sealing problems on the intake i would think. This big block ford book i have shows proportional milling when the heads are milled down, the intake is milled too.Last edited by joepajama; 05-28-2004 at 10:04 PM.
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