Thread: #12 Heads on a 70 Formula non RA?
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Old 11-25-2024, 03:24 PM
eaglesan13 eaglesan13 is offline
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I'm pretty sure that all the RA engines got the #12 heads. The non RA engines got #12 heads on the manual trans cars and #13 heads on the automatic cars. I don't think the trans and rear end ratios mattered.

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