RE: poly question

[Sean B <polecat2@xxxxxxxx>]

Three years ago I did the homework to put a 360 crank in a Poly.  At the 
time, Silvolite offered a 318 Poly truck piston that was only 7.0-1 
compression.  This piston was not the 1278, but something else.  
Checking the compression heights with formulae found online through the 
1962to1965 website tech archives, I determined that with a .030" 
overbore and a 360 crank you would get almost exactly 10.0-1 
compression, with no modifications.  I then tripped over a couple of 
440's, and went that direction.

However, this piston is no longer listed on Silvolite's website.  I bet 
if someone called them they might still have them, though.

Sean


Don Dulmage wrote:
> 
> You are write I mistyped , it should be 1278


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