13B Swap in a XJ?
Thread Starter
CF Veteran
Joined: May 2012
Posts: 3,004
Likes: 1
From: Wilmington,NC
Year: 1989
Model: Cherokee
Engine: 4.0
Has any one ever thought of or done a JDM 13B engine swap in place of the 2.8L v6 some of the older XJs came with? Reason Im asking is I found an 85 XJ with a blown 2.8L. Wanted to do an unusual engine swap that would boost the power of it. Its 2wd so itll just be something fun to play with.
Has any one ever thought of or done a JDM 13B engine swap in place of the 2.8L v6 some of the older XJs came with? Reason Im asking is I found an 85 XJ with a blown 2.8L. Wanted to do an unusual engine swap that would boost the power of it. Its 2wd so itll just be something fun to play with.
Thread Starter
CF Veteran
Joined: May 2012
Posts: 3,004
Likes: 1
From: Wilmington,NC
Year: 1989
Model: Cherokee
Engine: 4.0
Junior Member
Joined: Jan 2014
Posts: 34
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From: claremore oklahoma
Year: 1996
Model: Cherokee
Engine: 4.0 I6
yota had a engine called 13b that was a diesel. they put them in land cruisers back in the day. My brother and i rebuilt his turbo 2 rx-7 high reving and lots of fun. hope you can find a way to do it. Turbo maybe
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Thread Starter
CF Veteran
Joined: May 2012
Posts: 3,004
Likes: 1
From: Wilmington,NC
Year: 1989
Model: Cherokee
Engine: 4.0
Ya figured id put a decent sized turbo in if I do it. Anyone have any links or pictures of it being done?
Thread Starter
CF Veteran
Joined: May 2012
Posts: 3,004
Likes: 1
From: Wilmington,NC
Year: 1989
Model: Cherokee
Engine: 4.0
Personally no I've never owned a rotary this is going to be my first time owning one. I've got buddies that have had them and love them so I can have help to work on that need be. Im looking at getting a RX7 fc soon anyhow so I can really start learning about them more.
13B rotary would be cool, but I'll tell you now, they have no ***** at lower RPMs. Gotta wind them up to make them work, especially with a bigger turbo. For drivability, a 13B REW with the factory twin turbos would probably be best.
And enjoy the gas mileage out of that. My RX7 got 12 to 14 mpg at best, and it was light and not shaped like a giant brick. While I love rotary engines, I personally would never put one in a Jeep.
And enjoy the gas mileage out of that. My RX7 got 12 to 14 mpg at best, and it was light and not shaped like a giant brick. While I love rotary engines, I personally would never put one in a Jeep.
If you get an FC, get a turbo model. Better engine than the NA models (not all rotary engines are created equal), lot more power, stronger tranny and diff, bigger brakes, better suspension.
Thread Starter
CF Veteran
Joined: May 2012
Posts: 3,004
Likes: 1
From: Wilmington,NC
Year: 1989
Model: Cherokee
Engine: 4.0
Turbo is a must have for sure. Not worried about mpgs that much and I dont plan on being easy on it lol.


