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how much Hp with bigger bore?

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Category: Allis Chalmers
Forum Name: Farm Equipment
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=12688
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Topic: how much Hp with bigger bore?

Posted By: JM
Subject: how much Hp with bigger bore?
Date Posted: 19 May 2010 at 9:54pm

261 cubes, 464carb 175 venturi, head opened slightly, Barney taylor cam,9-1 comp. What do you think that will make, the d19 262 was rated at 72hp. Do you think it will make that? Thanks,JM.

Replies:

Posted By: mlpankey
Date Posted: 20 May 2010 at 7:56pm

it should make that but it may need more carburator than the 464 to make it. you did not post the bore size ? I know of a 241 cubic inch motor with a higher comp ratio that makes that easily but it has a bigger carb also.

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people if they don't already know it you can't tell them. quote yogi berra

Posted By: JM
Date Posted: 20 May 2010 at 9:09pm

It would be a 4.3 bore, pistons would be dished. Thanks,JM

Posted By: mlpankey
Date Posted: 20 May 2010 at 9:13pm

JM wrote:

It would be a 4.3 bore, pistons would be dished. Thanks,JM

with a dished piston it will definately need more carb especially if the dish is deep.

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people if they don't already know it you can't tell them. quote yogi berra