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JR Maley 
Silver Level
Joined: 21 Dec 2010
Location: Maryland
Points: 99
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 Topic: Do 125ci sleeves fit in a 116ci B motor?
Posted: 11 Jan 2011 at 3:50pm |
Do 125ci sleeves fit in a 116ci B motor? What is needed to go to 125 or larger in a hand crank start B? I would like to keep the compression ration around the same for easy starting.
-JR
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tbran
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3241
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Posted: 11 Jan 2011 at 5:04pm |
gee, all b's except the early Wakeshau B's had 125 CI engines 3 3/8" bore 3.5" stroke
right?
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RichinWis
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Joined: 11 Sep 2009
Location: Deforest Wis
Points: 691
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Posted: 11 Jan 2011 at 5:23pm |
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The early ones had a 115 CI engine then the 125
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TMiller/NC
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Joined: 11 Sep 2009
Location: Lenoir, NC
Points: 1774
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Posted: 11 Jan 2011 at 5:28pm |
The BE engines were 116 cu. in. with 3 1/4" bore. Tim
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 11 Jan 2011 at 5:37pm |
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the original BE was a 3-1/4 inch bore. Later the same block was fitted with bigger ID sleeves to get 3-3/8 inc bore. Same rods, valves, crank, block... they all have interchangable parts. Most aftermarket kits are now 3-7/16 bore and will go into the BE or the CE block. Compression is probalby 6 or 6.5 to 1 on most kits.
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Like them all, but love the "B"s.
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JIminArkansas
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Joined: 13 Sep 2009
Location: Malvern, AR
Points: 26
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Posted: 11 Jan 2011 at 7:26pm |
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When did the 3-7/16" overbore kit come out for use? I have an old B from a fence row find and it has the larger overbore pistons in it. It was stuck but a little gasoline in each hole and a match and it was free. Took longer to take the head off than to get it unstuck.
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Chalmersbob
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Joined: 11 Sep 2009
Location: Pennsylvania
Points: 2122
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Posted: 11 Jan 2011 at 9:34pm |
All you need are the sleeves, pistons and "O" rings.
Nothing major to do. Bob
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 11 Jan 2011 at 10:01pm |
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Thats a good question Jim. I always thought it had something to do with Allis going out of buisness and most aftermarket parts being made overseas after that.. I dont have a clue to the answer, but will guess mid 1980s.
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Like them all, but love the "B"s.
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TedBuiskerN.IL.
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Joined: 11 Sep 2009
Location: Davis, IL.
Points: 1959
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Posted: 11 Jan 2011 at 11:25pm |
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I have a 1957 Tractor Supply Blue book that shows the 3 7/16 overbore kit for the B, C, CA, and RC. That was about the time the power race started.
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Most problems can be solved with the proper application of high explosives.
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