Re: [Amc-list] What I-6 Did I buy?

[Glen Hoag <hoag@xxxxxx>]

Jesse,
The 1989 YJ was offered with either a fuel injected 2.5L or the 
carbureted 258.  By 1989, the XJ was already in production with the 
4.0L fuel injected engine, so it is possible that AMC/Jeep/Mopar 
consolidated flywheels to the one with the tone ring, even though the 
258 didn't need it.

FelPro lists gasket applications for both plastic and aluminum valve 
covers on the 1989 Wrangler, so is it possible that Jeep swapped over 
to the aluminum cover on 258s after so many problems with the plastic 
cover that was introduced in 1981.

--Glen

At 11:17 PM 3/13/2009, you wrote:

>Today I picked up a "258" while on my trip in Wichita.  The guy has 
>a 5 spd, 89 Wrangler YJ and he is putting in a Chv 350.
>
>I met up with him and took delivery of the engine and a 231 Transfer 
>case, but something is weird with this engine.
>
>It has a valve cover like a 4.0.
>
>It has a flywheel with tone ring
>
>It is carburated, with an "Electronic Carter".
>
>It has V belts on the front accessories.
>
>So, my first thought is, a 258 with 4.0 head, covnverted to carb... 
>but why the flywheel with tone ring?
>
>Next thought is 4.0 converted to carb... but why the v belt 
>pulleys... didn't look like anyone ever changed the Wtr Pump.
>
>Tomorrow I am taking to a pressure washer to clean.  My only real 
>concern, will the clutch set that I have for the 258 in my J10 T5 
>work with this tone ringed flywheel?  The guy says the clutch set on 
>there is pretty good, however, I don't want to put this back 
>together with a used clutch.
>
>What should I look for... your ideas are welcome!

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