12A or 13B?? please help......

Guest_cuteywill_*	Sep 11 2001, 07:53 PM Post #1
Guests	hi you all, I am looking at a 85 rx7 gsl and they said it has a 13b 6-port engine with a dorado carb. Just wondering how would you tell the difference between a 12a to a 13b? Just want to verify the engine is a 13b 6-port. Thanks you all.

Guest_rudedog69_99_*	Oct 9 2001, 01:19 PM Post #2
Guests	try looking on the engine block just behind and below the alternator, 12a or 13b should be cast in the rotor housing. At least it has been on my last 2 RX 7's

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You are reading topic 12A or 13B?? please help......