JohnL455 Messages: 4447 Registered: October 2006 Location: Woodstock, IL
Karma:
Senior Member
Smokey said 9 out of 10 carb problems are ignition.
Jim is correct about faulty mufflers.
And the power valve. BUT besides the power valve spring the GMC used, the GMC was the only Qjet made to use special triple tapered primary rods. This into from the Doug Roe Rochester carbs book.