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Unread 07-04-2010, 02:18 PM   #1
Swagman
Registered User
1979 CJ7 
 
Join Date: Jun 2010
Location: San Antonio
Posts: 1
Engine Swap

Got a question. I just bought my first jeep, 1979 CJ7 straight 6 and a 3 spd. I am putting on a pro-comp 4 inch lift as we speak and am running 33x12.50 muds. Well my question is that I have a ford 289 sitting around, I just rebuilt my 68 fastback and out in a 347, how would that engine work in the jeep? would it be possilbe to leave the 3 spd or should I think about changing the tranny as well?


thanks in advance

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Unread 07-05-2010, 05:29 AM   #2
HackFabrication
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1976 CJ5 
 
Join Date: Nov 2007
Location: Canton, Michigan
Posts: 2,551
Not a complicated swap, but IMO the power differential between a good running 258 and a stock 289 would not make it worth the expense.
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Unread 07-05-2010, 10:57 AM   #3
BlueRubiconrich
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1986 CJ7 
 
Join Date: Oct 2009
Location: worcester, Ma
Posts: 2,117
Put a webber carb on the 258 and use a T18 4 speed that's the cats butt.
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86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
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