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d21

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=194392
Printed Date: 05 May 2024 at 10:04pm
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Topic: d21

Posted By: mjj5605
Subject: d21
Date Posted: 02 Apr 2023 at 10:19pm

What would be my best option for upgrading the D21 injectors?

Where would I buy these injectors, do I need bigger fuel lines?

Replies:

Posted By: WF owner
Date Posted: 03 Apr 2023 at 5:53am

I have no knowledge, but if it was me, I would get in touch with injpumpEd and follow his recommendations.

Posted By: DrAllis
Date Posted: 03 Apr 2023 at 6:22am

What are you trying to accomplish ?? How much HP do you have now? and what % of increase are you looking for ?? 7080 injector tips are an easy swap for a slight increase in HP and potential injection pump turn-up. Beyond that, you are looking at custom made. I've used .020" four hole injector tips with stock lines and never had any issues.

Posted By: NEVER green
Date Posted: 04 Apr 2023 at 8:38am

Fair Valley Performance will cut your stock tips larger, tried Schied Diesel and was disappointed, sloppy work.

Depends on how many cc's of fuel you are pushing for larger lines.

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2-8050 1-7080 6080 D-19 modelE & A 7040 R50