valve to piston checking tool

[Mark Yacavone]

Originally Posted by FireSale

Jim, Mike and whoever:

Since what you're measuring is the distance from the seated valve to the top of the piston, why does it matter what weight spring is holding the valve closed? I know we are talking several hundred pounds of pressure difference between checking and racing springs, but at 0 rpm seated is seated?

Dale

Larry is checking a Super Stock engine, for one thing. Any lift is acceptable .
On a Stocker, you had better check it the way you will run it.
That way, you'll have the maximum lift you can use legally, and at the same time, knowing it will pass tech.