Farm Equipment - lifter diameter affects on valve opening speed

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lifter diameter affects on valve opening speed

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=44041
Printed Date: 10 Sep 2025 at 10:53am
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Topic: lifter diameter affects on valve opening speed

Posted By: mlpankey
Subject: lifter diameter affects on valve opening speed
Date Posted: 18 Jan 2012 at 7:12pm

Lets hear your thoughts. 1.5inch mushroom lifter like in a 226 allis vs say a .842 sbc lifter.

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people if they don't already know it you can't tell them. quote yogi berra

Replies:

Posted By: SteveM C/IL
Date Posted: 18 Jan 2012 at 8:58pm

On a flat tappet,the smaller dia would have a problem with the ramp for a mushroom if the ramp is too fast.You already know that.What's the question?