Dodger, yes, I did do the math useing .18 as head gasket conpressed thicknes which gave me a little over 9.4 compression ratio I didn't take the time to figure a .20 thick steel shim, but it would be very little. difference. See my other post on this topic to see what I did find out....................MO On Nov 4, 2:42 pm, Dodger7...@xxxxxxx wrote: > Mo,,,, you have apparently already done the math,,,, what is the CR > difference between the 18 and 20 > > In a message dated 11/4/2011 3:12:12 P.M. Central Daylight Time, > > mic...@xxxxxxxxxxxxxxx writes: > > have found 20 thous. Anyone know > where to get the 18 thous? -- -- Please address private mail -- mail of interest to only one person -- directly to that person. That is, send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. -- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. http://groups.google.com/group/1962to1965mopars?hl=en.