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I have a dilema. I own an 84 Ford Bronco full size and am in need of a motor transplant. I cannot decide, and was hoping for some info on the 351W and a 347 stroker motor which would best suit the on and offroad best.

Thanks
 

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Basic Baboon
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I've got the same truck, with a 351W in it.

(For anyone else reading this thread, the 347 is a common stroker size for a 302/5.0L).

Advantages to the 351W: No custom work needed to build it, it bolts right in.

Disadvantages to the 351W: Bit heavier, bit bigger (not an issue really for a full-sized Bronco), mileage sucks compared to a 302.

Advantages to a 347: More aftermarket intake manifolds avaiable than there are for a 351W, core engines are a lot more common, and if you want EFI, it's a lot easier to find an EFI 5.0L than it is to find an EFI 351W.

Disadvantages to a 347: Lots of custom work (read this as $$$).



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--C.J. Ford
1984 Bronco -- Daily Driver
1985 CJ-7 -- The Project
1996 Thunderbird -- The "Other Vehicle"
 

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I'd say go with the 351W simply because it is much simpler.
I don't see a point with doing the 347 stroker unless size and weight of the 351W is an issue. In a big Bronco neither of these apply.

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Paul Gagnon
Calgary, Alberta
"No Brain, No Pain"
A page from my book.
 

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Go with the 351W.

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Professional Cheese Taster----"Fifteen men on a dead man's chest..yo-ho-ho and a bottle of rum"
 

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how about a 460 on propane:no carb float sloshing,gobs 'o'torque fairly fuel efficient,clean burning


89 f350 c/cab 460 33"terra tracs
 
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