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1968 Chevy Camaro spark, but no power on one cylinder

Tiny
CHUCK GORDON
  • MEMBER
  • 1968 CHEVROLET CAMARO
  • V8
  • 2WD
  • AUTOMATIC
  • 89,000 MILES
#5 cylinder has spark to the plug, 125lbs of compression with remaining cylinders all within 10lbs, #5 cylinder will not produce power at any speed.
Enriching fuel mixture creates approximate 10rpm gain, but still no power to #5 cylinder.
No vacuum leaks found.
What other additional diagnosis can I perform that will help in resolving my problem?
Thanks, chuck
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Monday, January 14th, 2008 AT 6:17 PM

2 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
What about a worn camshaft lobe on the exhaust valve. Id remove valve cover and watch the rocker arm. See if 1 does not move as well as the others. I hope this helps.
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Monday, January 14th, 2008 AT 6:22 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Well check for pulse at the fuel injector, also try switching it with another injector and see if the problem moves with it.
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Monday, January 14th, 2008 AT 6:23 PM

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