460 Posted April 29, 2020 Share Posted April 29, 2020 link to archived topic Ok so my old topic was archived. I figured I would start another to show my latest task. A 263 punched out to 291cid. So this is where I am at at this point tractor is split. Awaiting on parts from machine shop. Short block is assembled. This is not your normal 291, it has no Reliance parts. It has custom built pistons with modern .062, .062 and 3mm oil rings. NOS crank and rod bearings. Compression is right at 9:1, I have thermo coatings on the chambers, piston tops and exhaust ports. It has extreme duty valve in the head (Stainless) with good quality seats and broze valve stem bushings. Cam is a Vogul regrind. 5 Quote Link to comment Share on other sites More sharing options...
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