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04-11-2009 12:10 PM #1
460 looseing spark after warmed up
I have cobra kit car with a 79 ford 460 in it nothing to fancey, i am running a mallory distributor with a msd blaster coil , reason why is, i was running the mallory coil without a balast resistor and she cracked open. The car starts right up, i pulled the wires and checked the spark and it was cracking prety good, i ran till it warmed up and then is started missing, i pulled a wire to check the spark and it was no ware near the spark it was at when i first started it. The coil is maybe 2 months old. What you think.
Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
MSD 8360 distributor vacuum advance