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Allis Chalmers Discussion Forum


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gene watkins

12-11-2007 17:42:23

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i wrote last week about stuck moter,still stuck. i found ser# wd98448 makes it 1951. motor #wd306773pa, whats pa stand for ?.also need manifold for same motor. thanks

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Texas Denny

12-13-2007 16:23:05

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 Re: wdallischalmers in reply to gene watkins, 12-11-2007 17:42:23  
There is a WD manifold on EBay auction #350005786620 for a WD manifold. It looks like there is plenty of steel left on this one though I didn't study it long and hard and no one except the owner knows if it is flat on the mount to the head.

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12-13-2007 08:08:16

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 Re: wdallischalmers in reply to gene watkins, 12-11-2007 17:42:23  
If it"s a "PA" engine, make sure you get the right manifold for it. Low compression manifold is different.

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stu (ON)

12-12-2007 04:05:45

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 Re: wdallischalmers in reply to gene watkins, 12-11-2007 17:42:23  
The PA designation means that the engine is designed to burn gasoline of 70 octane or higher, rather than lower octane gasoline, distillate or tractor kerosene. One source of a new manifold is this site. Go to the top of this page and click on "Parts" and then follow the menus through "Allis Chalmers" to "WD" to "Exhaust System".

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12-11-2007 20:30:50

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 Re: wdallischalmers in reply to gene watkins, 12-11-2007 17:42:23  
Blow out the cylinders and then fill with tranny fluid and walk away for a month

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