Farm Equipment - wd puller

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wd puller

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=25527
Printed Date: 25 Feb 2025 at 6:07am
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Topic: wd puller

Posted By: AllisCrazyMN
Subject: wd puller
Date Posted: 09 Feb 2011 at 10:55pm

Wanting to build a WD for pulling. so i would like some input on what to do to get more power out of it? i heard use WD45 crank, but can you use high compression pistons with it? what rods to use? head>? thanks

Replies:

Posted By: DrAllis
Date Posted: 09 Feb 2011 at 10:57pm

Let's start with a question to you......how much money do you want to spend???..because that's ultimately what it boils down to.

Posted By: AllisCrazyMN
Date Posted: 09 Feb 2011 at 11:07pm

got about 1000 to spend on parts. my work has a machine shop so i can get a good deal there. just want to get good power out of it, but make it so it still looks stock, so i can run in the stock class.

Posted By: mlpankey
Date Posted: 10 Feb 2011 at 10:52am

thats not really a budget to do any performance upgrades with other than a thorough rebuild. wd45 crank wd45 power crater pistons leave the first compression ring off on a 8 inch rod . If you have any money left buy a bigger carb a moline g carb and a good ignition system to light the plugs . Oh youll need 40 dollars or so of race gas every pull you attend. .

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

Posted By: Kip-Utah
Date Posted: 10 Feb 2011 at 11:11am

Use a WD45 crank, manifold, aircleaner, & carburator. Have a good machine shop surface your head & give it a proper valve job. Use 41/8" sleeves & 175 replacement "Power Crater" pistons with your WD connecting rods. Either a mag or distributor will work fine. For a "stock appearing" & sounding setup this will make a competitive puller in a stock un-cut tire class that will run great on regular gas. Stock WD45s always do well in these classes!

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HANSEN'S OLD ORANGE IRON. Showing, Pulling, & Going!!

Posted By: AllisCrazyMN
Date Posted: 10 Feb 2011 at 11:58am

Thanks for the input guys. i can go over 1000 bucks i just want to get the main stuff done then add on as i go. so what mods will i have to do to my block to make the 45 crank work in there? different size bearings?

Posted By: mlpankey
Date Posted: 10 Feb 2011 at 11:59am

nope bearings are the same until you get to the d17 style 226

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

Posted By: AllisCrazyMN
Date Posted: 10 Feb 2011 at 12:04pm

thanks for the info guy's, should i worry about a different cam?

Posted By: AllisCrazyMN
Date Posted: 10 Feb 2011 at 12:08pm

where is the best place to buy these "power crater" pistons? anyone have a part number for them?

Posted By: mlpankey
Date Posted: 10 Feb 2011 at 12:15pm

yes you need a different cam . are you going to use 8 inch rods? if not use your wd pistons with the 45 crank.

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