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marks914
Anyone know if a regular aftermarket tach will work on a 83-84 RX-7 motor?
I was thinking it might work in 6 cyl mode ( 2 rotors, firing 3 times)?

Thx

Mark
Dr. Roger
that's what I was kinda' thinking.. as long as there is only ONE ground wire to measure spark impulses from.

woobn8r
I had an autometer tach on my RX-7...
Buddy installed it, so I don't know if it was configured for a 4 or 6....but I'm sure the autometer tech site would some useful info....

S.
Rotary'14
A rotary tach will work just fine. Any tach for a 4 cylinder will work for a rotary,, so I am sure a rotary tach should work fine with a regular 4 banger.

-Rob
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