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Home » Public Forums » GMCnet » [GMCnet] Did you know your timing mark can MOVE on Olds engines? I didn't.
Re: [GMCnet] Did you know your timing mark can MOVE on Olds engines? I didn't. [message #326303 is a reply to message #326271] Fri, 24 November 2017 10:53 Go to previous messageGo to previous message
JohnL455 is currently offline  JohnL455   United States
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma:
Senior Member
Emery --GM called it a Delcotron.
I did know the rubber can shift and give erroneous timming readings Does that also change the balance and increase the crank stresses at certain RPM ranges?


John Lebetski
Woodstock, IL
77 Eleganza II
 
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