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WD manifold
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Charlie175 View Drop Down
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Joined: 11 Sep 2009
Location: Shenandoah, VA
Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Topic: WD manifold
    Posted: 07 Jan 2013 at 4:50pm
saw this on YT. Looks cool, wonder how it performs?
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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Wadewade53 View Drop Down
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Joined: 10 Dec 2012
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Points: 75 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wadewade53 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2013 at 5:03pm
I was thinkin of building the same thing. The incoming air fuel mixture should be cooler than the stock cast style would be. Hard to say if it would gain anything on a low rpm tractor motor because you're losing the casting bumps inside that stir the air fuel mixture as its headed into the combustion chamber. Just my opinion lol
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Gary View Drop Down
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Joined: 13 Sep 2009
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Points: 5391 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2013 at 5:13pm
Not a WD - external rear oil pump.
 
Maybe  138  or  149 cuin.
 
Gary
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DrAllis View Drop Down
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Points: 20525 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2013 at 10:18pm
The real HP gain would come from the larger throat carb that will fit on that homemade manifold. I'll bet that is a D15 II--160 cube engine.
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wi50 View Drop Down
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Points: 1010 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wi50 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jan 2013 at 7:52am
I don't mean to say anything bad but I'd be suprised if that would make more power than a re-worked OEM manifold.

Reason being there's a lot of science to building a GOOD header which most don't understand. Looks cool and it'll make a lot of noise.
"see what happens when you have no practical experience doing something...... you end up playing with calculators and looking stupid on the internet"
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