base circle
Stock = 1.552
TR230 = 1.463
is there going to be a problem with the install should we get longer pushrods.
Of course, this is assuming you don't mill the heads.
Ron,
Can you tell me again please. I got my stock cam, next to my tr224, then I will compare those to my new cam when it comes in. (The HolySh*t CAM) 
Assuming my P/V clearance checks OK.

