I am trying to determine lift/duration on some unmarked cams, myself. If the cams are marked, you have a real good shot at finding out what they are. There should be numbers on the shaft, itself, toward the 'front' of the cam. If not marked, the only thing I can figure out is to set up a degree wheel of some sort, and measure lift starting at a pre-determined clearance (.050 seems good). Anyone know where to find such, or point us to a thread for setting up our own?
On the the CR, the only solution I know of is CC'ing the heads. That means taking them off, and as such is not a solution for you
. I have heard that a higher compression reading (180+?) could indicate high compression pistons, but there is no way to determine what the CR is, or if the readings were caused by other factors. At least not that I can figure.
Not much help, I know, but I am looking for the same answers, and thought maybe a bump would help. My engine is a 4 cyl.
On the the CR, the only solution I know of is CC'ing the heads. That means taking them off, and as such is not a solution for you
. I have heard that a higher compression reading (180+?) could indicate high compression pistons, but there is no way to determine what the CR is, or if the readings were caused by other factors. At least not that I can figure.Not much help, I know, but I am looking for the same answers, and thought maybe a bump would help. My engine is a 4 cyl.
