12a R5 value??
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Joined: Oct 2004
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From: Collinsville, IL
12a R5 value??
I've searched and found a lot of threads on ID an R5 motor. I just want to know why it matters lol.
Are they better? Worse? Rare?
Pretty sure I have one in my 78 RX7. Has an "R" stamped on the center iron under the oil filler.
Are they better? Worse? Rare?
Pretty sure I have one in my 78 RX7. Has an "R" stamped on the center iron under the oil filler.
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