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Old 11-23-2009, 03:31 PM   #1
FED 387
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Red face Re: question on matching head numbers

3986339---1.72 intake/1.5 exhaust-74CC--- 68-69 307 eng

3986339X--SAME SPECS(int/ex/cc)---71 307/350 eng

3998991---1.72 intake/1.5 exhaust--75CC ---68-69 307 eng
72-73 307/350 eng

hope this helps--Comp387
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