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Kelvin Poppet 6/7 # 3551

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jeff_dunn
New member
Username: jeff_dunn

Post Number: 1
Registered: 09-2016
Posted on Tuesday, September 27, 2016 - 02:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi all,
First post.

I have had the engine running on a bench with a lot of intermittant smoke & seeping oil.

The consensus is the rings need replacing.
Does any one know where I can get diagonally scarfed rings made?

Anyone have any info or history on this engine. I read somewhere that Kelvin started building the 3.5 inch in 1915?
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keith
Senior Member
Username: keith

Post Number: 469
Registered: 02-2002


Posted on Thursday, September 29, 2016 - 10:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Jeff, Welcome. Diagonal, stepped or straight, the type of gap is non critical. More important is the condition of the bottom surface of the groove.

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