 SOT: Rotary Tach, Will a standard tach work? |
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| marks914 |
 Dec 10 2007, 07:12 PM
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#1
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Senior Member  Group: Members Posts: 845 Joined: 9-October 04 From: the motor city Member No.: 2,912 Region Association: None  |
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 |
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Replies(1 - 3)
| Dr. Roger |
Dec 10 2007, 07:50 PM
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#2
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A bat out of hell. Group: Members Posts: 3,944 Joined: 31-January 05 From: Hercules, California Member No.: 3,533 Region Association: Northern California |
that's what I was kinda' thinking.. as long as there is only ONE ground wire to measure spark impulses from.
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| woobn8r |
Dec 10 2007, 09:57 PM
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#3
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Senior Member Group: Members Posts: 607 Joined: 7-January 07 From: Newmarket, Ontario, Canada Member No.: 7,435 Region Association: None |
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. |
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| Rotary'14 |
Dec 11 2007, 03:56 PM
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#4
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Senior Member Group: Members Posts: 753 Joined: 24-April 05 From: Los Angeles Member No.: 3,977 |
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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