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Unread 12-01-2004, 05:47 PM   #1
1989YJNebraska
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Gotta question as a new member

Fellow Jeepers,

I have a quick question about an engine swap into a 89 YJ. I know, you're probably saying, not another engine swap question, but it's hopefully not one you've heard before. I can get a hold of a 93 Bronco with the 5.8L V8 engine with 100,000 miles for $2000. I don't think I can pass this up seeing that I can use the axles as well. I've done alot of research on this, and unfortunately, I can't find anything specific to the late model Bronco/Jeep engine swap. My question is as follows: Has anyone ever heard/seen/done this swap before and how does someone go about doing it? Also, am I just looking for trouble? Any info you have, please pass it along, I would greatly appreciate any help provided.
I look forward to participating on this forum in the future. Thanks again.

Tom Mooney

1989 YJ/2004 TJ

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Unread 12-01-2004, 06:01 PM   #2
BeatAChevy289
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I havent heard of the 5.8L swap myself but if a 350 can fit in I would assume that would to. The actual displacement of that engine is 353 cu. in. so it should be pretty close in size. The only thing you'd have to worry about is the actualy engine mass as compared to a 350. With a 350 in a YJ engine compartment it can get a little cramped. There is far more stuff available for a 350 though. You can buy everything from the engine mounts to bolt it right in all the way to a loom that can be fabbed into your existing harness to keep your stock gauges and whatnot. I would say go ahead and buy the Bronco for $2000 and either turn around and sell it or part it out and throw it all the stuff on eBay. I'm sure the swap COULD be done but getting a set of headers to fit in there is an issue in itself, as well as the height and width of the engine. The only axle you could use off the Bronco is the rear since those have been IFS sine the late 80's I believe. Let us know what you decide. Later <><
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<><
[URL=http://www.cardomain.com/id/blackyj95]Cardomain Site[/URL] (different from the other link)
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Unread 12-01-2004, 06:16 PM   #3
Loopmd
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Welcome to the club. I don't have an answer for you, just was wondering where abouts in Nebraska are you from?
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Unread 12-01-2004, 06:48 PM   #4
1989YJNebraska
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I'm stationed at Offutt, living in Bellevue.
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Unread 12-01-2004, 07:29 PM   #5
jeepnguns
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I have heard that he ford 351 has issues with the heads/exhaust manifolds. teh heads are taller and farther apart than a 302 so routing the exhaust between the frame rails is difficult. Novak adaptors has good info on engine swaps. check them out. I ended up doing a 350 swap because it was the first good cheap engine I found. The bronco axles are wider then the stock jeep ones by quite a bit and the front is twin I beam. along with a 5on 5.5 bolt pat. An option that I never found was an explorer with the 5.0 and 8.8 rear end, i never found one though. good luck swaping
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Unread 12-02-2004, 04:49 PM   #6
1989YJNebraska
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Only 2 people have input on this question? I appreciate those that responded. I hope I won't have a problem with the headers. I've seen a Viper engine in a TJ, so I would imagine, with anything, you can fit it in there. Thanks for giving me info on the front axle. I knew it was a D44, but I didn't know what kind it was. Do you think it would be a problem running the stock D30, with the 8.8 in the rear? Thanks again.
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Unread 12-02-2004, 04:58 PM   #7
Devious
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I wouldnt pay $2k for a 100k mile motor. And also its 351ci, not 353ci

Other than the motor being slightly taller than a 302, its more or less the same swap. All the accesories from a 302 would work also. I think the D44 found in that year Bronco is the twin I beam one. I wouldnt waste my time with that either.

I would suggest swapping in some stronger axle shafts with larger u-joints if you stay with the D30.
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Unread 12-02-2004, 05:12 PM   #8
BeatAChevy289
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Quote:
Originally Posted by Devious
I wouldnt pay $2k for a 100k mile motor. And also its 351ci, not 353ci

Other than the motor being slightly taller than a 302, its more or less the same swap. All the accesories from a 302 would work also. I think the D44 found in that year Bronco is the twin I beam one. I wouldnt waste my time with that either.

I would suggest swapping in some stronger axle shafts with larger u-joints if you stay with the D30.
That Viper-engined TJ also cost $100,000 to build...if you are looking to buy a $2000 Bronco as a donor, I don't see that a whole bunch of custom mods are in the budget .

Oh, and Devious. No disrespect to a mod or anything, but the formula to convert engine Liters to Cubic Inches of 61. Meaning if it is a 5.8L, you use this formula: 5.8x61=353.8 I know that Ford markets that as a 351Windsor or Cleveland (depends on how old it is) but nothing is ever as it seems with an engine. Some may say my formula is wrong, but if so the auto tech textbooks are wrong too. I've got an ASE book in front of me with a reference to that formula. Title of the book is "Modern Automotive Technology" and its a good 3 inches thick. I use this as my reference before I make a bad comment. Nothing but love though. Later <><
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1966 Ford Mustang, Hi-Po 289 V8, 4:11's, I dare you to race me.
<><
[URL=http://www.cardomain.com/id/blackyj95]Cardomain Site[/URL] (different from the other link)
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Unread 12-02-2004, 05:17 PM   #9
Devious
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Quote:
Originally Posted by BeatAChevy289

Oh, and Devious. No disrespect to a mod or anything, but the formula to convert engine Liters to Cubic Inches of 61. Meaning if it is a 5.8L, you use this formula: 5.8x61=353.8 I know that Ford markets that as a 351Windsor or Cleveland (depends on how old it is) but nothing is ever as it seems with an engine. Some may say my formula is wrong, but if so the auto tech textbooks are wrong too. I've got an ASE book in front of me with a reference to that formula. Title of the book is "Modern Automotive Technology" and its a good 3 inches thick. I use this as my reference before I make a bad comment. Nothing but love though. Later <><

I wouldnt call it disrespect. I would call it mis-informed on my part.
I've always wondered what formula they used. Thanks for clearing that up

I still wouldnt pay $2k though
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Unread 12-02-2004, 06:00 PM   #10
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I think $2k is a bit much too. You can find better deals on rebuilt engines. I've got about $1200 in my 360, minus the cam and timing gearset (I still need to order those). It's a fresh rebuild with brand new parts, and all machine work was done by a reputable shop. Mopar engines are generally a little more pricey to build than Ford or Chevy, so I'd bet you can find a better deal on a rebuilt engine, or even rebuild one yourself.
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Unread 12-03-2004, 08:29 AM   #11
jeepnguns
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To be corect a ford 5.8 liter is a 351 actually coser to a 352. the bore is 4" stroke is 3.5" volume of a cylinder is Pi*r(squared)*h. r=2" h=3.5" each cylinder is 43.98 eight cylinders = 351.8. Man i had not done that much math in a long time. Just remember that a chevy 5.0 is a 305 with a ford 5.0 is a 302. there is some room in the liter measurement. I have not done that much math in a while.
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88 Wrangler
350 Chevy engine vortec heads Holley Pro-Jection
Ford T-18 Tranny
Dana 44s Detroits w/ 5.89s
38" Swamper SX
Lots of other random things and dents
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Unread 12-03-2004, 11:50 PM   #12
1989YJNebraska
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So you're all saying that spending $2K on a running Bronco, with a 5.8L engine, isn't worth it? Yeah, it's going to be "fun" getting it in to the YJ, but to spend that kind of money, and get the complete drivetrain, wiring, and rear axle is worth it, in my opinion. Plus, there's a huge market for Bronco parts, that I will be able to make some of that money back from parting it out.
It will be a one-of-a-kind jeep once I get it in there.
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Unread 12-04-2004, 08:18 AM   #13
sjlplat
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Quote:
Originally Posted by 1989YJNebraska
So you're all saying that spending $2K on a running Bronco, with a 5.8L engine, isn't worth it? Yeah, it's going to be "fun" getting it in to the YJ, but to spend that kind of money, and get the complete drivetrain, wiring, and rear axle is worth it, in my opinion. Plus, there's a huge market for Bronco parts, that I will be able to make some of that money back from parting it out.
It will be a one-of-a-kind jeep once I get it in there.
I don't think it's worth it if your intentions are to build a YJ. You can find better parts for cheaper.
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