since 0.6 is generally the thickest one from Honda, it will decrease your compression. What the thicker base gasket will do is raise the cylinder, pushing the head further away from the top of the piston at TDC, lowering the compression of the cylinder (the tighter the deck height, the more compression).
generally on the NSR, I don't worry about this level of tuning. However on the RS I will measure the base gasket thickness (I have a stack of about 50 or more of them), I will measure the cylinder height, as well as measure the height of the piston (again, have six or seven of these) to get the right match to make the proper compression on each cylinder.
After I put it all together, I then measure the deck height to make sure my seperate measurements all were done properly.
of course with a set of VHM heads, you can change the compression with different inserts, adding one more variable to the puzzle
Thanks,
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Charles Gallant
Last edited by cgallant on Tue May 24, 2005 10:51 pm; edited 1 time in total