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Major Backfire problem 455

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Old November 25th, 2012, 11:00 AM
  #121  
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Originally Posted by gregvm
If you install with the crank at 6, the cam will be 90 degrees out of phase.
Or, in other words,
cam at 6:00 = Cylinder #1 at TDC between exhaust and intake,
cam at 12:00 = Cylinder #1 at TDC of compression stroke.

- Eric
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Old November 26th, 2012, 10:09 AM
  #122  
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Cam at 6:00, crank at 12:00, drop the distributor in pointed at #1. After that things should be fairly straight forward to adjust timing as long as ignition module, wires, etc are good.
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Old November 26th, 2012, 02:24 PM
  #123  
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Originally Posted by MDchanic
Or, in other words,
cam at 6:00 = Cylinder #1 at TDC between exhaust and intake,
cam at 12:00 = Cylinder #1 at TDC of compression stroke.

- Eric
Yes but the crank at 6 makes the piston at bdc and the cam out 90 deg
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Old February 11th, 2014, 07:14 PM
  #124  
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Rob I am dealing with the same issues you faced with your olds 455. Did you ever figure out the problem?
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Old August 9th, 2014, 11:19 AM
  #125  
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This tread was so helpfull
I had to join just to say thanx
Great info guys
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