Thread: Spark Plugs for GT40x Heads
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Old 12-02-2004, 11:57 AM
JAM1775 JAM1775 is offline
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Cobra Make, Engine: SPF 974
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Bill....the crossovers at auto parts stores are Autolite 104 and Champs R512YC.
But...I always felt my 351W ran better with the more expensive Motorcraft Fomoco AGSF32C from the Ford dealer.
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