258 turned out to be a 232??? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 01-18-2001, 01:16 AM
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258 turned out to be a 232???

I just got off the phone with my machine shop and they told me that the 258 that I had dropped off was really a 232 from the measurements they took off my crank. So now I have a a few questions on what I can do to improve the performance of this engine. BTW I allready have new .30 over new pistons and rings, reground and balenced crank, and a new timing set off an older DJ 232 that they GAVE me for $100. I already have a 32/36 webber (set up for the 258, don't know if that makes a differance or if I'll have to rejet) and an HEI setup. I want to upgrade the cam and I was hoping on doing the 4.0L head swap. Does anyone know if this head swap will work with this engine? Any other ideas would be appreciated also. TIA

84 Toy,86 Toy,73 CJ5,93 RM125
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post #2 of (permalink) Old 01-18-2001, 07:28 AM
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Re: 258 turned out to be a 232???

The 232 is the same block, diffrent crank. You could get a 258 crank and throw in there I would susspect. I see no reason why the same mods would not apply to get a 4.0 head on.

Common sense is genius dressed in working clothes.

post #3 of (permalink) Old 01-18-2001, 09:36 AM
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Re: 258 turned out to be a 232???

You need different pistons with a shorter pin to crown height to install a 258 crank. Clifford has these.
I went through this same thing except the 232 I bought as a 258 not only was a 232, it was one of the old 'Mexican' blocks with the smaller 14.5" bell pattern for a 60s DJ ... obscure and practically worthless.
I never was even able to find out what trannie goes with it ....

... practically worthless.....

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