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JRR1847 View Drop Down
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Joined: 26 Feb 2020
Location: California
Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JRR1847 Quote  Post ReplyReply Direct Link To This Post Topic: WD advice
    Posted: 26 Feb 2020 at 11:40pm
Hey new here just looking for some advice on my WD I use for planting and most of my hay work with. Wondering what could be done for more performance for in the field. Been considering putting pertronix in and wondering what I could do to the carb? Thanks in advance for any input on this.
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AaronSEIA View Drop Down
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Joined: 11 Sep 2009
Location: Mt Pleasant, IA
Points: 2533 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AaronSEIA Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 6:24am
How much more do you need?  Haying and planting aren't really high horsepower applications.  WD45 crank and pistons will buy you about 10 horse.  Gleaner E or D17 engine would gain you 15 or so.  Keystone turbo will get you 15 to maybe 20 more.  Best option is sell the WD and buy a D17.  Far better tractor anyway.
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JRR1847 View Drop Down
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Joined: 26 Feb 2020
Location: California
Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JRR1847 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 7:28am
I’ve thought of going the d17 way but I hate to get shed of my WD first tractor I bought plus just refreshed the motor last winter. I pull a international cyclo and would just like a little more for on the hills to keep the air up and keep my speed good. The haying isn’t too bad but my 9 foot haybine in heavy stuff you can tell it sure wouldn’t hurt to have a little extra.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 19572 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 7:39am
Perform a cranking compression test on that engine with the throttle wide open and a battery charger on the battery. Report back with the results and we'll go from there. A WD normally has 100 lbs compression. A WD45 has 125 psi. A D-17 has 145 psi. A WD45 carb, manifold and air cleaner will wake it up some.
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JRR1847 View Drop Down
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Joined: 26 Feb 2020
Location: California
Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JRR1847 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 9:10am
The tractor originally was a wd45 and had terrible over heating issues even when taking hay and I got frustrated brought it in and tore it down to find a cracked block which I had the old WD motor sitting at home and after I rebuilt it i used the 45 carb and manifolds. And me and my dad tried our best fine tuning the carb.
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Joined: 12 Sep 2009
Points: 19572 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 9:40am
But, you might have considered using the WD45 crankshaft in your WD engine when rebuilding it. You've gone backwards in cubic inches.
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JRR1847 View Drop Down
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Joined: 26 Feb 2020
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Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JRR1847 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 11:01am
Would that work with the flat top WD pistons?
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Lonn View Drop Down
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29773 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 11:05am
Stock flat top pistons, yes

after market flat top, I don't know.
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JRR1847 View Drop Down
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Joined: 26 Feb 2020
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Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JRR1847 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 11:39am
I’m pretty dang sure mine are original pistons
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 19572 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 12:03pm
Run a compression test FIRST !!  If they are old pistons/sleeves you cannot install the WD45 crankshaft because it will push the pistons right up thru the ridge edge worn into the sleeves.
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Lonn View Drop Down
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Joined: 16 Sep 2009
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Points: 29773 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 12:06pm
I've cut the ridge out before. Have a ridge cutter somewhere in the shop.
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Joined: 12 Sep 2009
Points: 19572 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 12:15pm
I wouldn't ever consider using a sleeve that had the ridge cut out just to accommodate the 4 1/2"  stroke crankshaft.  It needs new sleeves at a minimum. But, until he runs a compression test, we don't even know how high his compression ratio currently is.
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JRR1847 View Drop Down
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Joined: 26 Feb 2020
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Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JRR1847 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 12:33pm
I’ll do the compression test first. Once I find out compression tester first that is lol
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Joined: 16 Sep 2009
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Points: 29773 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2020 at 3:04pm
Originally posted by DrAllis DrAllis wrote:

I wouldn't ever consider using a sleeve that had the ridge cut out just to accommodate the 4 1/2"  stroke crankshaft.  It needs new sleeves at a minimum. But, until he runs a compression test, we don't even know how high his compression ratio currently is.
Maybe but it's been done
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