Gentlemen, My recently rebuilt (.60 over) 427/425 in my 66 coupe is not yet the "Viper Eater" many have told me it should be. To make a long story short, the motor stumbles and backfires at 5200 rpm (give or take 100 rpm). I know the trouble shooting list can be long, but if someone could start me down the most likely road, I would appreciate it. Facts: All parts used in the rebuild are top quality and the original specs were duplicated including solid cam and 11:1 compression. I am running a stock (non TI) single point distributor and coil (braided stainless shielded wires) correct 3247 Holley (new, with internal fuel filters).
Would the proper troubleshooting order be 1. ignition, 2. carburation, 3. valve train. Other ideas? And finally, I promise not to abuse this old car but I'd REALLY LIKE TO EAT A VIPER JUST ONE TIME (or I'd settle for a Mustang Cobra).
Would the proper troubleshooting order be 1. ignition, 2. carburation, 3. valve train. Other ideas? And finally, I promise not to abuse this old car but I'd REALLY LIKE TO EAT A VIPER JUST ONE TIME (or I'd settle for a Mustang Cobra).
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