Topic: Re: difference between D17 1,2,3
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|Brian G. NY
Not quite as simple as you say!
I have a WD that my Dad and I rebuilt in 1958 when I was still in H.S. and a WD-45 that I acquired about 12 years ago. I also have a Series II D-17 that I bought about 2 years ago.
The difference between the 201 WD and the 226 WD-45 is quiter remarkable. The difference between the 226 WD-45 and the 226 D-17 Series II is also quite remarkable!
The Higher compression in the D-17, as well as the larger carburetor and the higher RPM governor result in significantly more power.
The later Series I and all other D-17s also have the "high pressure", "full flow" oil filter system which increases their reliability.
All D-17 main bearings are of a larger diameter than the WD and WD-45 as well!
Never say that a D-17 engine is the same as a WD-45, even though they are both 226 C.I.D.!
As I recall, the Nebraska test numbers for the WD were about 34 HP, the WD-45 about 45 HP and "all" the D-17s were about 52 HP. Don't "knitpick" me; but that is close!!
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