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Old May 20th, 2012, 03:23 PM   #7
alex.s
wat
 
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Name: wat
Location: tustin/long beach
Join Date: Sep 2009

Motorcycle(s): wat

Posts: Too much.
Blog Entries: 5
MOTM - Oct '12, Feb '14
what are the effects on the engine of a stretched cam chain? its pulling on the chain from the exhaust side right?. the chain stretch means its retarding the valve timing right? with the intake side slightly more retarded than the exhaust side... with the stock 250 cam timing, what would the effect of that be?... opens and closes intake later, opens and closes exhaust later...

@RacerX would probably know... it would make a bigger vacuum before opening the intake right? it seems like there wouldn't be any risk of the intake hitting the piston... and the exhaust... would open too late not letting the exhaust gasses escape quick enough once the force is put on the piston... would make it run hotter right? so the stretched chain shouldn't really cause damage directly outside of running hotter and with less power?
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