Pulling Forum - Puttin bigger valves in a 301 diesel head

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Puttin bigger valves in a 301 diesel head

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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=56185
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Topic: Puttin bigger valves in a 301 diesel head

Posted By: DougG
Subject: Puttin bigger valves in a 301 diesel head
Date Posted: 01 Sep 2012 at 10:50am

Anyone know the biggest valve you can get in a 301 diesel head?

Replies:

Posted By: AC200Puller
Date Posted: 01 Sep 2012 at 3:34pm

I am running 426 valves in mine .I just had to cut the sleaves a little so they would have room to open .

Posted By: DougG
Date Posted: 01 Sep 2012 at 4:27pm

So how big was the machine bill on grinding the seats bigger; just curious

Posted By: AC200Puller
Date Posted: 02 Sep 2012 at 9:22am

Had the head ported and the valves put in a core head that I had it was 600 bucks 5 years ago. I milled the sleaves myself the only cost was one new sleave because I cut one to deep.LOL Dave.

Posted By: DougG
Date Posted: 02 Sep 2012 at 5:43pm

Anyone know if an Aluminum Indy cylinder head would flow any more air?