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Ol case mike View Drop Down
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Joined: 24 Dec 2022
Location: Michigan
Points: 12 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ol case mike Quote  Post ReplyReply Direct Link To This Post Topic: Pistons
    Posted: 23 Apr 2024 at 1:21pm
Is there enough room to install wd 4-1/8 power crater pistons onto a gleaner z these are not wd45 power crater pistons I know sp46 need to be machined some to clear I was just wondering about the power craters
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20523 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2024 at 2:06pm
M & W piston kit SP-46 fits the 4 inch stroke WC/WD engines and have a Power Crater type bowl in them. If you install them in a WD45 or D-17 engine with the 4 1/2" stroke you need to machine .170" off the top so they don't smack the cylinder head. As far as what you're wanting to use, I have no idea what the compression distance/height is. Might work. Might not.
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Ol case mike View Drop Down
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Joined: 24 Dec 2022
Location: Michigan
Points: 12 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ol case mike Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2024 at 3:41pm
I have both sets MW 4-1/8
And the smooth bowl I thought them was called power crater that is also 4-1/8 set I was thinking about putting the smooth bowl into a gleaner z code I don’t know either pin height both are still in motors with wd cranks I was just wondering if the smooth bore needed any machine work to be installed like the sp46 piston needs it’s for a unstyled wc pulling tractor that has a stock z gleaner
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20523 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 24 Apr 2024 at 12:15pm
In the "KNOWLEDGE" section of this website, down near the bottom of page 1, you will find "Compression ratio calculator for 226 engines".....good info for you.
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HudCo View Drop Down
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Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3542 		Post Options Post Options   Thanks (0) Thanks(0)   Quote HudCo Quote  Post ReplyReply Direct Link To This Post Posted: 24 Apr 2024 at 10:24pm
got ross duplicating some sp46 pistons  (should be done any day now )for me as we speak thanks to steve fischer getting me a piston they are going in my d17 series 4 engine
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HudCo View Drop Down
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Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3542 		Post Options Post Options   Thanks (0) Thanks(0)   Quote HudCo Quote  Post ReplyReply Direct Link To This Post Posted: 24 Apr 2024 at 10:26pm
they will be a two ring piston and lighten alittle bit 
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20523 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 25 Apr 2024 at 6:33am
And .170" shorter ??
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HudCo View Drop Down
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Joined: 29 Jan 2013
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Points: 3542 		Post Options Post Options   Thanks (0) Thanks(0)   Quote HudCo Quote  Post ReplyReply Direct Link To This Post Posted: 25 Apr 2024 at 8:39am
no i decided to leave them the same pin to top hieght, and mill them at the machine shop    
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