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Unread 02-11-2013, 04:53 PM   #1
jojojeep1
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4.2 vortec in yj

i have a 4200 vorthec chevy inline 6 , it has 291 hp and 290 foot pounds. how hard would it be to put that in my 88 yj , as far as wiring and sensors and computers. do you know if it can be done , or is it even worth it when i can put a 4.7 stroker in a little less power but a drop deal . any input would be helpfull thanks

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Unread 02-11-2013, 05:03 PM   #2
YJ4LIFE
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probably not worth it but if you have a whole car to transfer evertything over from it might be
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Unread 02-11-2013, 05:09 PM   #3
Mark05059
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depends on the length of the chevy motor and what you might need for adapters to make it work as well.
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Unread 02-11-2013, 05:37 PM   #4
Awesome
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The motor is a lot smaller than the 4.0 in the Jeep. It's an easy swap (there are lots of adapters and junkyard parts that fit), you'll get better gas mileage, and it's a good engine. Best V6 you could possibly put in your Jeep.

Don't forget though, it's a cut-down version of the 350. There are a lot of bolt-on aftermarket performance parts for it (it's cheaper to fix), and you can get another 100+hp out of it without spending a ton of money.
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Unread 02-11-2013, 05:41 PM   #5
joey48442
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Quote:
Originally Posted by Awesome View Post
The motor is a lot smaller than the 4.0 in the Jeep. It's an easy swap (there are lots of adapters and junkyard parts that fit), you'll get better gas mileage, and it's a good engine. Best V6 you could possibly put in your Jeep.

Don't forget though, it's a cut-down version of the 350. There are a lot of bolt-on aftermarket performance parts for it (it's cheaper to fix), and you can get another 100+hp out of it without spending a ton of money.

I think hes talking about a 4.2 inline six from a trailblazer...


Joey
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Unread 02-11-2013, 05:50 PM   #6
Awesome
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Oh right, I always get that mixed up with the 4.3.

Yeah do the 4.2.... it's a sweet engine.
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Unread 02-11-2013, 07:04 PM   #7
bgredjeep
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Any time I've seen this motor discussed it seems there isn't much in the way of support for it and a 5.3 or even 4.8 v8 is a better option. Maybe if you happen to have one complete and running it would be worthwhile, but I wouldn't recommend going out and buying one for a swap.
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Unread 02-11-2013, 08:22 PM   #8
jojojeep1
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i have the the truck with everything under 90,000 miles , i just hate the wire thing , but with a chip and tune your geting 335 hp out off a 258 inline 6 with four cams . or like i said $3500 drop and drop in a stroker.
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