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Re: Inline 6 is really tired
Some 292s in bigger trucks had a wider internal diameter exhaust manifold. These are distinguished by the 3 studs on the donut connector instead of 2 studs. The bigger ID flows more CFMs.
This pic is not the best image of the 3-stud intake, but the casting number is visable.
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Every 25 years I like to rebuild that 292, whether it needs it or not.
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