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Old 01-08-2012, 07:36 PM
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Cobra Make, Engine: A&C Cobra, 521 CU BBF, Holley ProJection, T56 Magnum, 3.5:1 TruTrac 9-inch
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Default spark plugs
hi folks

on my list of small items to-do this winter (oil cooler, better springs) - i'll swap out the spark plugs. i was running 'stock' autolite plugs from a lincoln with a 460 in it.

i have a 521 (429/460), aluminum ford super cobra jet heads, msd 6al, and fuel injection.

any suggestions on what you all are using, somekind of "splitfire" fancy plug?
im sure i can squeak out another 1hp per cylinder
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