Quote:
"There is one Ford truck piston close to the right height, but it is heavy-duty monster 125 grams heavier " If it's too tall and that heavy then maybe some can be faced off of the top as long as it stays close to thickness of Packard piston. Thickness of skirt??
Lot more to it than that:
1. .050" off the top to match Packard compression height
2. .1875" off each inside of the pin boss
3. Press the bushing out of the rod and bore to Ford 1.040"
4. Rebalance entire engine - Use Mallory metal in the counterweights or add external balance weights to the flywheel/flexplate and front damper.
At retail, all this will cost about as much as custom forged pistons which are a drop-in. BTW, I just did all of the above last week because I'm building a Packard truck engine. Stand by for news.
thnx, jack vines
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