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-   -   iron duke exhaust manifold? (http://www.jeepforum.com/forum/f8/iron-duke-exhaust-manifold-1569688/)

strvger01 08-31-2013 08:39 PM

iron duke exhaust manifold?
 
well, i've posted in the 'wanted' forum with no luck. also checked out all the vendors here. again, no luck. same with craig's list and even e*bay. does anyone know of a place where i can get a replacement exhaust manifold for a 1981 cj5 2.5L pontiac iron duke?
i know i can swap most of the engine parts with the 120/140 GM marine engines, but the exhaust manifold won't... at least till i get my snorkel on! :D
thanks for any help here.

243 08-31-2013 08:45 PM

I thought the later GM 2.5's used in the S-10 were the same as the earlier 2.5's used in the Jeeps and Chevy Citation. This manifold is for an 87 S-10 4x2. ,

http://www.autozone.com/autozone/par...ier=97495_0_0_

strvger01 09-01-2013 06:28 AM

i've checked those out and they are not the same. at least that's what all the parts store guys tell me. and the pics of them do look different as well. the change came in about 1983 or '84 for those engines. i think it was that GM dropped the individual make engines. no more pontiac, oldsmobile, buick, cadillac specific engines. they all shared the same GM engines after that.

bubbz 11-03-2013 07:18 PM

Did you ever find a match? I too am in need of a manifold for my gm 151 iron duke in my 1980 cj5

Redmanchew 11-04-2013 07:20 AM

i dont remember any stock ones when i still had mine but i think cliffor performance had a set of headers. It was basically just the left bank of their chevy V-8... Really dont remember my reference info but i just remember thier name being an option,... dont think it was very cheap either....give them a call...

strvger01 11-04-2013 05:11 PM

mine already has the DT headers. they won't clear the steering and shifter linkage (3 on-the-tree) in the 1966 cj5a i'm swapping the 2.5 into. i did finally find a stock exhaust manifold that was in really nice shape. thanks all.


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