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Old June 4th, 2019, 03:51 PM   #1
thrill20
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Default Which engine for full size bronco 5.8 or 5.0

I have two broncos that I will be turning into one solid fun truck. Both have running engines, both are stock, both need a refresh. My question is which will be the better base to start with?

96, 5.0L auto.
OR
89, 5.8L auto.

The plan is decent suspension, mainly for a summer ride and some dune fun. But, will be a cheap build. I would like to keep the engine work simple and cost effective and put more money into the suspension and cage work.

any feedback from you ford guru's would be greatly appreciated.
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Old June 5th, 2019, 08:20 AM   #2
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I vote for the 96
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Old June 5th, 2019, 09:00 AM   #3
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Depends which is in better shape and the one you intend to build. Both are great engines but if ya had a pile of parts Id go Windsor. I love my Windsor in my Yj. Im running afr 185s and a cam and it makes great power. Post some pics


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Old June 5th, 2019, 11:33 AM   #4
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I believe the 96 Bronco had the option of a 351, so I don't see any reason he couldn't rebuild the 351 and put it in the 96. I would assume a computer swap and tune would be necessary though.
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Old June 5th, 2019, 11:56 AM   #5
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The big difference is the Windsor is speed density and the 302 is mass air They share the same firing order so the computer will work if ya swap motor over to mass air. Will need a newer distributor too cause the plug is different
My rig is a trail rig. Im running a foxbody Efi set up truck lower and mustang upper with bc bronco adapter plate. Running factory mustang computer and harness.only needs like 4 wires hooked up to run. If yours is streetable I would just rebuild whatever motor is in the bronco you are going to build


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Old June 5th, 2019, 12:51 PM   #6
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The big difference is the Windsor is speed density and the 302 is mass air They share the same firing order so the computer will work if ya swap motor over to mass air. Will need a newer distributor too cause the plug is different
My rig is a trail rig. Im running a foxbody Efi set up truck lower and mustang upper with bc bronco adapter plate. Running factory mustang computer and harness.only needs like 4 wires hooked up to run. If yours is streetable I would just rebuild whatever motor is in the bronco you are going to build


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If he did the 96 he could always go 331 or 347 too.
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Old June 5th, 2019, 04:40 PM   #7
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If he did the 96 he could always go 331 or 347 too.


Now were talking lol. Stroker ftw. For simplicity Id go 96 as well. Plus its last year for the Bronc so gotta keep it going


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Old June 6th, 2019, 08:01 PM   #8
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They are both a Windsor based engine and if you have both to choose from I would go with the 5.8 as it will hold a hell of a lot more HP then the 5.0 will as those start splitting the blocks right down the middle after 500 crank hp, also look into the Microsquirt computer as it’s a plug n play unit for around 500 dollars and gets rid of the mass air. I am not a genius at the fords but I’m learning my way around them as this is one of my toys.
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Old June 20th, 2019, 02:32 PM   #9
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a little update. When I picked up the 96, they had pulled the transmission. so, to add another layer of complexity, do I keep the aod/5.8 combo, swap the aod to the 5.0, or find an auto for the 5.0? If I'm going to go with a different auto all together, how difficult would it be to go C6 with the electronic bs?

I'll get some pictures this weekend, just got back from vacation and the 96 is still sitting on the trailer.
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Old June 21st, 2019, 08:43 AM   #10
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a little update. When I picked up the 96, they had pulled the transmission. so, to add another layer of complexity, do I keep the aod/5.8 combo, swap the aod to the 5.0, or find an auto for the 5.0? If I'm going to go with a different auto all together, how difficult would it be to go C6 with the electronic bs?

I'll get some pictures this weekend, just got back from vacation and the 96 is still sitting on the trailer.
I'd keep the AOD personally.
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Old June 21st, 2019, 09:27 AM   #11
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C6 should not require any electronics to run but expect to pay a hefty penny IF you find one for a small block that 4wd. Plus the cost of a rebuild it just makes sense to stick with the aod


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Old June 21st, 2019, 09:40 AM   #12
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I'd go with the 351 myself and build from there. A stroker 302 would likely out perform a stock 351 but if you are going to build either id start with the bigger engine. The cool thing with Ford junk is they rarely changed shit they didn't need to... so since you have both broncos, I'd build the '96 with the engine from the '89 and go from there.


I'm not sure if I missed it, but the '89 very likely has a C6 but could be an AOD(e), either are good enough, but if you happen to have both, rebuild the C6 with the first two gears out of the AOD and you will have one hell of a great transmission!


Also saw a reference to mustang stuff, unless you want a high RPM screamer i'd leave it off (same with the smaller stroker), most trail trucks are better with low end torque and you'd give all that away with the mustang intake manifold. I'd build the 351 engine with descent to high compression, a good head and valve job and either a RV style "torque" cam or a "mild" rpm performance cam.


In any case if they were mine I'd ditch both power plants and swap in a BBF. You can pick up a complete 460 powered truck for dirt cheap and part out whatever you don't need, plus if you found a 4x4 F350 part out with 460 you'd get the bonus of a D60 front axle. From what I've seen you can snag a complete 4x4 F350 in part out condition for under $1500 if you're willing to drive to get it!
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Old July 11th, 2019, 08:35 AM   #13
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Last edited by thrill20; July 11th, 2019 at 08:38 AM.
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Old July 11th, 2019, 08:59 AM   #14
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Now the fun begins!
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Old July 12th, 2019, 12:39 PM   #15
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Nice, make sure you post a build thread so we can follow.
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Old July 12th, 2019, 01:10 PM   #16
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They look really clean. Howd that happen in Michigan lol


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Old October 1st, 2019, 11:17 AM   #17
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Any Ford truck with a 351W/5.8 should have either a C6 pre 89 or an E4OD from 89 on. Pretty sure the AOD or AODE was only behind a 300 or 302.

I would go 5.8, no question, way better engine. More torque stock and lots more potential.
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