Re: Feeler Gauge and other technique for measuring hydraulic lifter clearance

Posted by JWL On 2023/6/7 10:36:20

I did a valve job on my 39 Cadillac replacing all the exhaust valves. I had a machine shop make me a gauge to set the clearance. I went for the middle of the plunger travel as I felt this would be the safest. I did my measurements and had a machine shop grind off the necessary amount from the stems. It all worked out well. The Cadillac V8 valve tappet and hydraulic lifter design is similar to what Packard used. For what it is worth...