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 Rank: Newbie Groups: Registered
Joined: 22/01/2016 Posts: 3 Points: 9 Location: Bristol, PA USA
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My cylinder and piston on my RB-7 seem to fit too tight at TDC but I am new to Nitro Engines so I'm not sure.
With the crank, sleeve, piston and connecting rod all installed I cannot turn the engine through TDC with out the piston lifting the sleeve out of the block. And if I install the cylinder head it stops around 1/16" BTDC.
Is this normal? Does it need to be that tight for good compression? Will the pull starter overcome this stiff spot?
Anybody? I am baffled and don't want to hone the sleeve out any if this is how it should be.
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 Rank: Pro Groups: Joined: 24/08/2009 Posts: 48,051 Points: -13,308
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 Rank: Super-Elite      Groups: Registered
Joined: 17/12/2013 Posts: 3,982 Points: 11,974 Location: NY, USA
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hi Aldove,
welcome to the forum.I am forum support for USa so let me know if I can help in any way
Carl
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