accordionfolder
accordionfolder Dork
6/28/20 2:34 p.m.

I need a miata 1.6 big nose harmonic balancer/crank pulley/ whatever it's called. Turns out I don't have one for this motor.

I could also make due with a good 91.5-95 (part#B3C7-11-400) crank pulley boss if anyone has one of those around.

 

Keith Tanner
Keith Tanner GRM+ Memberand MegaDork
6/28/20 3:32 p.m.

Don't have a spare - but FYI you can use a 1.8 unit if you swap out the water pump pulley and the alternator. Gets you a higher amp alternator as a bonus. Use a 1994-97 unit, the NB ones aren't internally regulated.

So that's an option.

accordionfolder
accordionfolder Dork
6/28/20 3:54 p.m.

In reply to Keith Tanner :

Thanks for posting options! I had considered it, but I have a small army of 1.6 alternators and was hoping someone had a crank pulley with boss laying around ☹️ Interesting news is so far as I can tell the bp powered ford escort has the same harmonic balancer with v belt and they're fairly cheap NOS, but don't have the boss. So I guess I should clarify that I'd take a good 91.5-95 crank boss alone as well go get me going if anyone has one for sale.

mmcvay
mmcvay GRM+ Memberand New Reader
6/28/20 5:47 p.m.

I can pull one off my parts car tomorrow. Let me know if you need just the boss or the whole assembly and we can figure out a price and shipping.

accordionfolder
accordionfolder Dork
6/29/20 11:49 a.m.

In reply to mmcvay :

Well poop, I ordered a new boss because I'm impatient ..... I might need a few other odds and ins and will ping you if that's OK?

mmcvay
mmcvay GRM+ Memberand New Reader
6/29/20 7:21 p.m.

In reply to accordionfolder :

No big deal. If you need anything else just let me know.

accordionfolder
accordionfolder Dork
7/2/20 4:35 p.m.

In case anyone stumbles back across this thread. Ford part# F1CZ-6312-A is identical to the 1.6 Miata big nose crank pulley/harmonic balancer.

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