Anybody recognize these 340 pistons?
These were pulled from a mid-year (July If i remember correctly) '72 340 that I was considering as a platform for a mild boosted engine for my '74 Duster.
Cast inside the skirt is the number "1267" google says it's a 10.5-1 CR (68 - 71) 340 Piston and is supposed to be "Positive Deck", but when I yanked them out, they were below the deck a little bit (at TDC)
I don't believe the 340 in question was ever torn apart prior to me purchasing it, just a wild guess based on the original bearings, original timing chain, 40 years of grease and fossilized gaskets :D
So are these 10.5-1 Pistons or 8.5-1 pistons?
These were pulled from a mid-year (July If i remember correctly) '72 340 that I was considering as a platform for a mild boosted engine for my '74 Duster.
Cast inside the skirt is the number "1267" google says it's a 10.5-1 CR (68 - 71) 340 Piston and is supposed to be "Positive Deck", but when I yanked them out, they were below the deck a little bit (at TDC)
I don't believe the 340 in question was ever torn apart prior to me purchasing it, just a wild guess based on the original bearings, original timing chain, 40 years of grease and fossilized gaskets :D
So are these 10.5-1 Pistons or 8.5-1 pistons?