10-01-2018, 04:36 PM
I have seen a couple of low compression (A7) heads skimmed at an angle (thinner on the piston side) - I have been told this can increase the compression over and above that of a standard H/C head.
Others will know for sure.
I also noted that the studs had required some adjustment for the above to work...
Others will know for sure.
I also noted that the studs had required some adjustment for the above to work...