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77mm Cylinders
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PostPosted: Tue Mar 11, 2014 8:11 pm    Post subject: 77mm Cylinders Reply with quote
Looking for identification of what these cylinders are. Three different, all 77mm

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virtanen
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PostPosted: Thu Mar 13, 2014 9:40 am    Post subject: Reply with quote
Middle very early 1954 cylinder with a long sleeve.
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Snort
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PostPosted: Thu Mar 13, 2014 1:04 pm    Post subject: Reply with quote
If you look at the grooves for the stud pattern of the outside cylinders, they are wider than the middle one. That makes them 40hp or 1300. You should be able to tell by measuring the width of the base which fits into the case. 1300 > 40hp > 36hp. I don't have the dimensions offhand but you can search this website for them.

edit: I had some garage time this afternoon so I measured... 1300 cylinder outside diameter is 90mm. 40hp outside diameter is 87mm. 36hp case size, don't have any cylinders laying around right now Sad , is about 81.5mm.

Last edited by Snort on Thu Mar 13, 2014 4:46 pm; edited 1 time in total
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RareAir
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PostPosted: Thu Mar 13, 2014 4:15 pm    Post subject: Reply with quote
Farthest to the Right is Pre '48. My '47 has those style of cooling fins
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splitjunkie
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PostPosted: Thu Mar 13, 2014 6:44 pm    Post subject: Reply with quote
RareAir wrote:
Farthest to the Right is Pre '48. My '47 has those style of cooling fins


I don't think that is a 25 hp cylinder. He says it is 77mm and it is larger than the '54 cylinder in the middle. 40 hp cylinders has the same open fin design for at least some period of time during the 40 production. I know my '65 or my mom's '65 had cylinders like that.

40 hp cylinders.

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virtanen
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PostPosted: Thu Mar 13, 2014 10:44 pm    Post subject: Reply with quote
All originals pre '54 have long sleeves, the original picture only middle has this.
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volksartist
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PostPosted: Fri Aug 22, 2014 7:11 am    Post subject: Reply with quote
Is there a problem putting long sleeve cylinders on post 55 blocks?
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virtanen
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PostPosted: Sun Aug 24, 2014 6:04 am    Post subject: Reply with quote
I don't think so.
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