Farm Equipment - 450 roosa on 301

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450 roosa on 301

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=147047
Printed Date: 05 Sep 2025 at 4:25am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 450 roosa on 301

Posted By: Bobo Husker
Subject: 450 roosa on 301
Date Posted: 31 Jan 2018 at 12:58pm

Attempting a 450 roosa on a 301. Having an issue with timing. If you pull the banjo bolt a look into port, two different holes pass by port approxamatly 60 deg apart. Which one is injection. Also is there a recommended degree, fuel should start at. Ive been told center of fuel injection should be 4 deg btdc.

Any advice would be greatly appreciated.

Replies:

Posted By: CAL(KS)
Date Posted: 31 Jan 2018 at 1:52pm

post in pulling forum you will get help there

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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15

Posted By: DougG
Date Posted: 05 Feb 2018 at 6:11pm

UMMMM, you need to be timed on your crank , and the timing marks need to be lined up in the window , they aren't port injection timed