Old pistons had an old-school ring pack (thick and heavy).
New pistons are thin and lite. Mahle #930200630, 1.125 CH,
4.030", 1mm/1mm/2mm ring pack.
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The block was torque plate honed (still at 4.030") by
Johnny Heard of Heard Performance Machine. |
Johnny Heard also square decked it and checked the main line
bore and main caps.
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After I received the block from Johnny I tapped the cam and
lifter oil galleys for pipe plugs. |
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I did a few finishing touches prior to paint and then did a final spray
wash. The main cap oil galley was widened a bit.
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The oil galley openings were massaged a bit. |
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Then I laid on the POR-15 paint real thick. |
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