Stupid timing chain factoid

pishta said

The cogs wear also. Are you putting a new chain on old cogs? Line bore would make a stock chain looser. Run a tensioner, cheap and effective.

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I put a tensioner on my 273 with a Cloyes double roller. I didn't really like the way the narrow rubbing block (designed for a single chain) contacted the double roller. If I open up the front again the tensioner will get removed and another good timing set installed.