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post #1 of (permalink) Old 03-25-2003, 09:15 PM
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4.3 engine rebuild

any suggestions on how to get about 300hp out of a 91 4.3L engine without the use of turbo or blower?
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post #2 of (permalink) Old 03-25-2003, 11:09 PM
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Re: 4.3 engine rebuild

Check this out.

Nuff said. I want one.
post #3 of (permalink) Old 04-09-2003, 08:51 PM
 
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Re: 4.3 engine rebuild

I've looked at that engine a couple times, but economics always prevail. It's cheaper to put a new 350 crate engine in my truck than that V6. Though it would be cool to have one of the baddest 4.3's around.
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post #4 of (permalink) Old 04-10-2003, 12:43 AM
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Re: 4.3 engine rebuild

Yep. that and SBCs are cheaper & easier to hotrod too. Nice thing about the 4.3 is the fact it's around 80 lbs lighter than the 350. The blazer will eventually get aa 350, but the next project I'm cooking up in the back of my mind when I have nothing better to do calls for a hotrodded 4.3 to save weight.
post #5 of (permalink) Old 04-10-2003, 10:37 PM
 
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Re: 4.3 engine rebuild

Aluminum heads and the 350 is in the same weight range as the 4.3. I hate to say it, but if you want power with little weight, try the Ford 5.0.
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post #6 of (permalink) Old 04-10-2003, 11:10 PM
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Re: 4.3 engine rebuild

No way is a Ford engine ever gonna reside under the hood of my CHEVY
post #7 of (permalink) Old 04-11-2003, 04:58 PM
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Re: 4.3 engine rebuild

if i had a ferd it would be an early bronco and ther is no way IT would have a ferd engine!!!!
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post #8 of (permalink) Old 04-12-2003, 01:56 AM
 
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Re: 4.3 engine rebuild

All I was saying is that a 302 is about 480 and the 350 is like 560 or something along those lines. Maybe the reason the Ford engines suck is cause they're lighter,haha.
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post #9 of (permalink) Old 04-12-2003, 02:45 AM
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Re: 4.3 engine rebuild

do the math dude that comes out to almost the same cube to pound ratio
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post #10 of (permalink) Old 04-12-2003, 07:35 PM
 
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Re: 4.3 engine rebuild

Displacement is really irrelevant to this argument. Really, what you want to look at is torque to weight ratio. Cause a 327 and a 400 probably weigh the same, more or less. Just like a 351 and a 302 probably do. And the torque you're looking at is usable torque, low RPM.
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