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Post by broncocraigellis on Dec 1, 2007 16:46:58 GMT -5
I may have had a change of heart and am thinking about using a 89-93 Mustang 5.0 EFI engine in my buggy. Anyone have experience swapping one into another vehicle? I'm looking a harness from RJM (fordfuelinjection.com); EB guys seem to have used them with success. Anyone reworked a factory harness? I'm fairly familiar with the engine b/c my brother had a 91 Mustang and I drove it semi-frequently...
Seems like the 5.0 would have more power than the 4.3 that I have.
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Post by JWP on Dec 3, 2007 9:16:10 GMT -5
I have what you need. I have all of the EFI stuff off of Rob's motor. It is a 89 Mustang 5.0. I have everything but the wiring harness.
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Post by broncocraigellis on Dec 5, 2007 10:09:09 GMT -5
Thanks Jason. I can get a full roller motor here with wiring and A9L computer from a friend...just not sure which way to go.
I want to run a crawl box and the chevy drivetrain would more easily allow me to do that. But the Ford would have more power. IDK... probably just part out my bronco and go chevy.
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Post by rccolacc on Dec 5, 2007 16:38:08 GMT -5
I hear it's an easy motor for a swap because the distributor is on the front of the motor. You don't have to worry about it hitting the firewall.
If you're trying to decided whether or not to use the 5.0 vs. the chevy 4.3, just remember there's no replacement for displacement. Who cares about crawl boxes when you have horsepower.
Are you using this for your new buggy or your bronco? Is the new buggy the bronco?
-RC
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Post by rsmith on Dec 5, 2007 19:48:27 GMT -5
It is hard for me to give a biased opinion here since I am running a 5.0 Mustang roller motor and I have always been a chevy fan. You will not go wrong with either choice. I have fallen in love with the 5.0 Ford since I have been running it in the buggy. It is a peppy quick revving motor and relatively light weight. Plus it lets out a V8 sound which I am a little partial to.
On the other hand I am running a chevy 4.3 in the shopping cart and I put over 300,000 mile on one in an s-10 pickup in college. Never did a thing to it but change the oil regularly, the starter once, and the plugs once. I never even changed the transmission fluid. The truck was running strong when I sold it. Now I regret selling it. There is so much you can do to these two motors.
I guess it boils down to what you want to attach to the back of it. I feel as if this post was absolutely no help.
BTW, why are you steering away from propane?
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Post by broncocraigellis on Dec 7, 2007 22:55:44 GMT -5
That's the problem...they are both good motors. I used to like the power my 302 had before 4.11s and 37s; now it's like a dog. The Vortec 4.3 has 200hp (S-10 Blazer) and the 302 can't have much more than that...seems like the power would be about the same. What do you guys think??? I kind of want to get away from the rumble...it does sound cool, but I'm beginning to value my hearing  Plus it would be cool to actually hear the vehicle as it goes over obstacles...and I could talk to my passengers (Dad is nearly deaf anyway, I believe). Transmission and t-case is where I see that Chevrolet has an advantage. - I have a built TH350 already and would use an NP231 crawl box and bolt an NP241 behind that. The doubler would cost ~$500 - the Bronco has a 4R70W trans. with a stock D20 EB case. A doubler for this set up is ~ $1500... I'm moving from propane b/c of availability...it gets old having to plan fill-ups. Most of the time I forget and have to drive across town (Tupelo) to U-Haul and wait for them to open on Saturday morning. I really have to watch it at Tellico, too. I coasted down the mountain heading back to Crawford's every day to save fuel and still ran out last time. Had to finish Lower 2 on the grill bottle and hope I could make it back to camp. My tank is 24 gallons and I don't want anything larger in there...Propane runs sweet though. So, I think it would just be easier to run gas again, except with FI this time around. |
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Post by JWP on Dec 8, 2007 8:39:53 GMT -5
I always said that if I built from scratch again that I would use 5.0/C4/Dana 300. For power to weight ratio. While the 5.0 may not be much more power than the 4.3, the capability to pump it up is much greater later on.
My trip to Tellico made me reconsider Propane on my next project also. I would put 25 miles on my jeep each day on just the perimeter trails and then all of the fuel that I consumed on the hard stuff. I generally burned 9-10 gallons of regular fuel. I did not see how I could get by one a forklift bottle and the weight of two bottles is to much.
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Post by JWP on Dec 8, 2007 8:40:50 GMT -5
Summit racing has the harness for the 5.0 real cheap also.
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Post by broncocraigellis on Dec 8, 2007 11:38:43 GMT -5
5.0/C4/D300 would be a great combo...I just don't want to fool with flipping a D300 to work with my Ford axle. Is there an easy way to do that?
Well, if you were running forklift bottles, you could easily swap them out each night back at camp.
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