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Vehicle will not start at proper timing setting.

Tiny
BFALK06
  • MEMBER
  • 1982 MERCEDES BENZ 380SL
  • 90,000 MILES
Vehicle will not start at proper timing setting and over advancing timing to 60-70 degrees will start. Remove valve covers and no# 1 spark plug, using a bore scope, verify tdc and see both machined lines on camshafts in correct position. Open exhaust system before cat convertor with no change. Whats next or what I miss?
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Saturday, October 20th, 2012 AT 6:15 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
What about the crank mark?

What is the compression?

Roy
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Sunday, October 21st, 2012 AT 2:09 AM
Tiny
BFALK06
  • MEMBER
  • 2 POSTS
Used bore scope to verify proper timing mark alignment for crankshaft, compression was 125 psi, the only thing I may due is to install dial indicator to moniter intake valve opening/closing to specs on cyl no# 1 I thought it prob jumped timing at first but really cant prove it. It has a double roller chain and guides look good. Not sure after that what I missed
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Sunday, October 21st, 2012 AT 7:45 PM

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