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Puttin bigger valves in a 301 diesel head

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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=56185
Printed Date: 22 Nov 2024 at 10:52pm
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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?



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