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Art, 
I already lowered the A-C GP-40 about a 16th when I went in to machine the coupler posts, 
I took a 16th off the bolsters while I was there... Easy job!!
Paul B,
Here is a quick pic I just took of the pair, the one on the right is the GP-38 I bashed into a 40 
when they first came out in 99-00... The left one is the AC version that has been lowered and 
detailed... SRY about the tiny pic, we seem to be cut down to 60 kb limit now, almost not 
worth the bother anymore...
Paul R...
 

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Paul, 
The Aristo sideframes definately sit higher than the USA ones by a fair amount, about 5/32 nds to
3/16 ths inch would be a good guesstimate, but since there is almost 6 inches between them, the
difference doesn't seem to jump out at U.. 
Paul R...
 

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The sideframes basically the same RJ, the USA one has sprung, moveable journals, 
and the AC unit has the brake air line between the cyls, otherwise their about the same...
The motor blocks R a lot different however...
Paul R...
 

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FWIW to anybody, the WM drawings on the GP-40 show a height of 14' 6' over the cab roof, 
15' 7" over the horns (Nathan M5), and 15' 4" over the fans... If anybody is interested, these 
sheets I have contain all the other dimensions, weights, specs, etc. if anyone needs any 
of it... 
Paul R...
 
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