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426 vs 301 flywheel

Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=170480
Printed Date: 26 Sep 2020 at 1:46pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 426 vs 301 flywheel
Posted By: brad durst
Subject: 426 vs 301 flywheel
Date Posted: 23 Apr 2020 at 10:09pm
is the crank shaft bolt patter the same one a 301 and a 426? IM not worried about the bellhosing will a 301 fly wheel bolt right on to a 426 thanks 



Replies:
Posted By: O.P.S. Heads
Date Posted: 24 Apr 2020 at 8:51am
Not even close. If you are going to use a 426 in a 301 chassis, you will need a custom built flywheel. Not sure what level of competition you want to run at, but if it is LLSS class I would skip the foreplay and go directly to a 4 X 11 inch clutch. 3 disks won't be enough if it runs hard.



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