Larry, The 10CG engine has 1.75 mains. The 10CC engine has 2" mains. Hal On Wed, May 12, 2010 at 4:33 PM, Larry & Sandi Miller <millerls at ado13.com>wrote: > Someone just told me that the 1275 pan will fit the 1098 (10CG) block. Is > this > true????