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Registered
Join Date: Jun 2004
Location: Rio Rancho, New Mexico
Posts: 1,325
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From the picture of the left side the chain seems to not be significantly stretched. From my experience with chains and sprockets the rule is snug not tight. Tight will only wear the chain, resulting in premature "stretch". That is wear on the bearing surfaces where each link is joined.
Worn sprockets will also prematurely wear (stretch) the chain by over stressing individual links. New sprockets on new chain distribute the load across each link as the chain wraps around the sprocket.
Beyond your question it is poor practice to use worn chain or sprockets.
Bottom line, snug.
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DOUG
'76 911S 2.7, webers, solex cams, JE pistons, '74 exhaust, 23 & 28 torsion bars, 930 calipers & rotors, Hoosiers on 8's & 9's.
'85 911 Carrera, stock, just painted, Orient Red
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