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Old 05-16-2012 | 11:03 AM
  #2792  
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megasaxon
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Originally Posted by rustyfingers
Thanks. There were no shims so I can only guess they were removed for some reason b4 I got the motor. Thanks for the plug advise, I'm using the c5 at the moment but have a c6 in the box.

What is the effect on the motor/running by using shims? Obviously raising the plug away from the piston but what is the effect?

Thanks again,
DEnnis
retards the ignition timing. and reduces compression you will need the shims to be there, or it will run erratic
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