Car #: 6
Year : 1990 1.6 Posts: 425
Karl, Appreciate the information.
I would like to make sure that I underatand. I am not an engine guru, bud understand basic auto mechanics.
Let me ask anybody in this forum, this run on sentence. If my cams are older, and are worn near the minimum spec, and the wear is only on the top of the lobe, and I have adjusted the cam lifter shims to be near the low side of the adjustment limit, then the cam will have "maximum" lift when valve clearance is minimized, and then will the duration will be longer, due to the minimized valve clearance starting the valve or valves "early"?
Please answer this non offensive, non trolling and non deflamitory question.
-------------------- "To punish me for my contempt for authority, fate made me an authority myself"
Car #: 50
Year : 1600 Posts: 1926
...and I have adjusted the cam lifter shims to be near the low side of the adjustment limit...
There is your problem. There are no shims. The HLAs can only be "adjusted" up with longer valves, but the valve lengths are speced in the manual.
Our cams (all cams?) wear most at the top of the lobe. That will not change duration a bit, it will just reduce maximum lift.
FYI, the other topic locked because whoever moved it over here chose that option. They could have copied it here and temporarily left in the other forum and then they could have gone back to the other forum and deleted it there. That would have left it unlocked here.