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Unread 03-08-2013, 10:26 AM   #16
duffer
Registered User
1955 CJ3B 
 
Join Date: Jun 2008
Location: Bozeman, MT
Posts: 654
Quote:
Originally Posted by travisrda View Post
put a 401 in it? That way you won't be putting a cheby in it and you will keep it amc. and it is a pretty easy swap.
Easy swap and maybe 11 mpg.

350 TBI or Vortec = about 18 mpg, lots cheaper and 100x the parts available. My personal experience with any of the AMC V8's is you are very lucky to get 15 mpg no matter what you do to them and for dollars spent, a Chevy will tear you a new behind. More work and money to install a sbc but a better finished product in every way.

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1955 CJ 3B, 381cid sbc (441cid all aluminum sbc coming soon), AGE M22W, Teralows, Warn OD, OBA, Premier Power welder, Warn 8274
1968 CJ 5, factory 225" w/ headers/450 cfm Holley, T86AA, Belleview winch, Warn OD
2012 Wrangler Rubicon Unlimited, Warn 9.5 xp-s winch
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Unread 03-11-2013, 10:52 AM   #17
semperfi1919
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1976 CJ5 
 
Join Date: Jun 2012
Location: Philadelphia, MS
Posts: 176
Thanks for all the replies, I will be doing the chevy 350 swap when the 4.2 craps out, I was thinking of keeping it amc but parts are so much more costly, I have done this swap in a toyota before so I am familar with what it will intell.
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