Chevy 250 Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

66CHEV · 12-28-2012, 02:55 PM

I have a 66 C10 with a 250, did a tune up the other day and discovered that while at idle i can remove the plug wire from the number 1 or 6 cylinder and the engine continues to run with no difference. If i remove any of the others the engine will have a loss of power. All 6 cylinders are firing, and there is good compression at each. Is this for some reason normal or should i notice a difference when removing any plug wire?

12-28-2012, 02:55 PM	#1
66CHEV Registered User Join Date: Oct 2007 Location: Western Kentucky Posts: 85	Chevy 250 Question I have a 66 C10 with a 250, did a tune up the other day and discovered that while at idle i can remove the plug wire from the number 1 or 6 cylinder and the engine continues to run with no difference. If i remove any of the others the engine will have a loss of power. All 6 cylinders are firing, and there is good compression at each. Is this for some reason normal or should i notice a difference when removing any plug wire?



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