Farm Equipment - 301 valve orientation

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301 valve orientation

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=210143
Printed Date: 21 Feb 2026 at 5:46pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 301 valve orientation

Posted By: SteveM C/IL
Subject: 301 valve orientation
Date Posted: 21 Feb 2026 at 10:46am

Do they go In,Ex,In,Ex like a 426 or do they flip back and forth like a small block Chevy In,Ex,Ex,In,In Ex ?

Replies:

Posted By: cowkicker
Date Posted: 21 Feb 2026 at 3:11pm

It would be like the chevy wouldnt it? Doesnt 301 exhaust just have 3 ports?