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Old 03-28-2013, 07:45 PM
Northern Chevy Northern Chevy is offline
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That to me sounds like the light duty 3/4 ton as all heavy duty 3/4 tons came with 8 lug wheels and a full floating rear axle { large hub sticking out } . So with that in mind I have a feeling it "should" be the 193 heads but don't assume anything and take a peek under the valve cover to confirm !.

By the way my truck has been up to 14000 feet a couple of times and the word gutless and quitting at idle comes to mind !.
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