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Mustang parts would hold up fine in your truck, but would your truck hold up to a 347? I would go for a fresh 302,30 over,nice low end roller cam(Lunati),good set of aftermarket heads(aluminium for about$1,000), and have your upper and lower intakes extrude honed. Top this off with a larger throttle body and shorty headers with cat back ehxaust,and your talking sweeet!
The 347 stroker can make some mean hp numbers, but I don't think it's all that reliable. It deffinantly isn't cheap. You have to have the 302 block bored .030 over. As well as a 3.4" crank.
Pastmaster's 1993 XLT 5.0 E40d 3.55LS Normal Cab/Long bed Loaded from the factory with aid of...MSd 6a ign/s.p. wires, blaster coil, Hypertech Chip, K&N filtercharger, Cat-back dual exhuast w/o mufflers, 3.5", echo tips, Accel distributor cap, Dark Mocha over light mocha. 5% Dark tint, Alpine Cd player/remote, Pioneer speakers.
A 347 Stroker is definetly worth it. I built one for one of my customers mustang. If you are going to stroke it you should also update the heads. I installed 1969 351 4V windsor heads on my customers motor. I performed a 3/4 angle grind on them and ported them. I then installed a cam with a .544 lift. Since this was a monstrous cam I had to enlarge the notch on top of the pistons. But if you are going to put in a stroker this should be no problem. You can also pay someone to do it. If you live near Dayton Ohio I will gladly build your motor. Just stop by my shop. I can use the work. All I get in there now is chevy and foreign crap. I enjoy building ford motors. They are very rare(The high HP kind).
If you're rebuilding a EFI you also might want to take a look at explorer 5.0 parts, the `98 explorers I'm postive have GT-40 aluminum heads, and the intakes on them are nice round ovals, even better than the mustang H.O's have, it would be the best combo to go with mustang H.O. internals and a mass-air conversion with explorer heads, intake, and throttle body
>If you're rebuilding a EFI you
>also might want to take
>a look at explorer 5.0
>parts, the `98 explorers I'm
>postive have GT-40 aluminum heads,
>and the intakes on them
>are nice round ovals, even
>better than the mustang H.O's
>have, it would be the
>best combo to go with
>mustang H.O. internals and a
>mass-air conversion with explorer heads,
>intake, and throttle body
>
>1995 F-150 XL Reg Cab/Bed
>http://members.sounddomain.com/blind
>5-star rated F-150 (big stereo)
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The Explorer GT-40 heads ARE NOT GT-40 aluminum heads. ALL the current crate Explorer motors use an iron GT-40 "P" head. The "P" head is a decent head with a different plug location that makes header selection a little tricky. There is a specific "P" header for Mustangs but I'm not sure about Broncos. I have been able to use FMS shorty headers on a Mustang with "P" heads but had to fabricate a spark plug wrench and get plug wire protectors. If you find a junk yard Explorer the first year that they used the 5.0 it may have the standard GT-40 iron head that uses the standard header. Everything after is an iron GT-40 "P" head.
The only negative I've ever seen on a 347 stroker with 5.4" rods is that the oil ring goes across the piston pin. This may or may not cause oil control issues depending on many combos. I believe it is Coast High Performance in Cali. that offers a a slightly shorter rod that lets the bottom oil ring miss going across the pin. A very popular stroker right now is the 331 which offers a better rod ratio with no oil control poblems.
Most stroker kits offer as good if not better parts than OEM and durability should not be an issue.