question on eBay listing
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Junior User
Joined: Aug 2005
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From: Columbia, MD
question on eBay listing
1969-1989 Ford 300 6cyl pistons + .030 | eBay
these pistons... is it feasible to throw these into my 240cu block (along with 300 rods and crankshaft) ?
i see they're Hy-Duty (heavy duty?) and oversized +.030. Seeing how once i have my 240 apart and have to make sure the chamber walls are machined smooth anyhow... whats the hurt in going .030 over?
the ad also states the dish in the piston was done away with and the original height of the piston was lowered so as not to change the stock compression ratio.
even though i plan on using the 240 head to up the compression anyhow
any thoughts?
oh, and i see alot of the piston adsd offer Moly or Cast rings... whats the difference with those?
these pistons... is it feasible to throw these into my 240cu block (along with 300 rods and crankshaft) ?
i see they're Hy-Duty (heavy duty?) and oversized +.030. Seeing how once i have my 240 apart and have to make sure the chamber walls are machined smooth anyhow... whats the hurt in going .030 over?
the ad also states the dish in the piston was done away with and the original height of the piston was lowered so as not to change the stock compression ratio.
even though i plan on using the 240 head to up the compression anyhow
any thoughts?
oh, and i see alot of the piston adsd offer Moly or Cast rings... whats the difference with those?
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Junior User
Joined: Aug 2005
Posts: 52
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From: Columbia, MD
I wonder...
Would I be better off looking at one of the 300 crank kits that are for sale? The come with new bearings.. And not to mention I don't know the status of the current bearings or if the 240 bearings would even fit a 300 crank...
Would I be better off looking at one of the 300 crank kits that are for sale? The come with new bearings.. And not to mention I don't know the status of the current bearings or if the 240 bearings would even fit a 300 crank...
Senior User
Joined: Oct 2010
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I would not want to run short flat tops with a 1.5?? compression height because your quench would be over .200 when you are trying to get .060 or less .
I don't know what your 240 combustion chamber looks like or what the deck height is on the 240/300 but this would not be the area to save $50 .
I see some pistons with a 1.74 compression height .
Just my opinion , the six's probably have closed chambers , an open chamber would not need a quench .
I would do some research before buying pistons .
P.S. there were lots of cheap "D" cup pistons on ebay .
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