My Willys 3A and 3B Community

3A, 3B, DJ Technical Knowledge Base => "Modifications"-- Technical Questions, Answers, Incites => Topic started by: Geodoc on November 01, 2021, 04:15:17 PM

Title: Help: replacing stock engine with 4DR5 diesel engine
Post by: Geodoc on November 01, 2021, 04:15:17 PM

Not at this stage yet (because, well, I need a Jeep and an engine), but trying to figure out the best way to replace a CJ3-B engine with a stock 4DR5 diesel engine and transmission from a Mitsubishi J model Jeep. As they're currently configured, the Mitsubishi's are Right-Hand-Drive, but I plan on getting a regular Left-Hand-Drive Willy's CJ3-B (anyone got a 1962 sitting around they don't need?).

Has anyone ever done this? I didn't see a response to an earlier post. If so, what all did it entail? It appears that the Mitsubishi transmission has the levers exactly like the CJ3-B levers.

Some specs - the CJ3-B has a wheelbase of 80", the Mitsubishi J-53/54/55 have wheelbases of 79.9" (technically 2030mm), while the original Mitsubishi J10 had a wheelbase of 2032mm (80"), so I think the engine/tranny would be a good fit. Just a matter of considering such things as wiring, gages, and steering box/linkage.

The Mitsubishi's are also a little longer - 133.5" to 136", compared to the Willy's 129 29/32", but I don't know if that's really a factor.

I would love to be able to see the two and be able to look under the hood to see what all's there. Anyone near Seattle/Tacoma with either a CJ3-B or a Mitsubish J50 model?

Thoughts?

Title: Re: Help: replacing stock engine with 4DR5 diesel engine
Post by: Erich Bauer on January 19, 2022, 10:55:14 AM

I'm building a 51' 3a with a Yanmar 4tnv86 out of a refer. The engine fits easily, it's adapted to a 4 speed Munci trans with a Kabota Swapers kit and a Advanced Adapter transfer case adapter

Title: Re: Help: replacing stock engine with 4DR5 diesel engine
Post by: Erich Bauer on January 19, 2022, 11:55:03 AM

(https://www.mywillyspics.com/images/2022/01/19/66371723510__7E68F55E-3610-4974-9CB9-DA939FD05CB9.jpg) (https://www.mywillyspics.com/image/jAx0y)
(https://www.mywillyspics.com/images/2022/01/19/66379523463__D152DEE5-4757-40CF-B2C8-F95FF5C9B00E.jpg) (https://www.mywillyspics.com/image/jAAYg)
(https://www.mywillyspics.com/images/2022/01/19/66371009605__BBAB4077-C59D-4498-B2AD-C3540ABEC029.jpg) (https://www.mywillyspics.com/image/jA5NM)

Title: Re: Help: replacing stock engine with 4DR5 diesel engine
Post by: Erich Bauer on January 19, 2022, 12:12:48 PM

(https://www.mywillyspics.com/images/2022/01/19/65913055546__AAC9AB66-D6E2-42AF-9E7D-4519E67A9676.jpg) (https://www.mywillyspics.com/image/jAKD2)

How do you rotate pics?