Is 4.2 basically same as 4.0 ?
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Junior User
Joined: Jul 2002
Posts: 97
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From: Omaha USA
Is 4.2 basically same as 4.0 ?
[updated:LAST EDITED ON 30-Jul-02 AT 07:08 PM (EST)]Probably a dumb question, but what is different about the 4.2 vs. the 4.0 ? Was thinking about trying to find a 4.2 and gradually doing a performance rebuild to eventually put in my truck, a '94 4.0-4wd-auto Ranger.
Is it basically the same motor? Are the intake and the exhaust manifolds same, etc ? Can you make a 4.2 out of a 4.0 ?
One more thing, anyone know how far you can bore a 4.2 ?
(If you already saw this in 4.0 forum - sorry - I should have put it here first.)
Is it basically the same motor? Are the intake and the exhaust manifolds same, etc ? Can you make a 4.2 out of a 4.0 ?
One more thing, anyone know how far you can bore a 4.2 ?
(If you already saw this in 4.0 forum - sorry - I should have put it here first.)
Fleet Mechanic
Joined: Aug 2002
Posts: 1,344
Likes: 12
From: Sioux Falls SD
Is 4.2 basically same as 4.0 ?
NO! The 4.0 is a modified 2.9 witch comes from the German 2.8. They are 60 degree v6 engines. The 4.2 is a 90 degree enlarged version of the 3.8 from the car line. Some parts can interchange from the 3.8 to the 4.2. The 4.0 is total different animal.
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Junior User
Joined: Jul 2002
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From: Omaha USA
Is 4.2 basically same as 4.0 ?
Thanks 99F150, for the info. For those that want to see a little more on this, go to the same topic in the 4.0 forum. In hind site, I maybe shouldn't have double posted it.
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barney_44
1983 - 2012 Ranger & B-Series
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Jul 9, 2002 08:12 AM
