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-   -   3.0 upgrade tach problem (http://forums.pelicanparts.com/911-engine-rebuilding-forum/103782-3-0-upgrade-tach-problem.html)

911novice 03-25-2003 10:03 PM
3.0 upgrade tach problem
 
just completed 2.7 to 3.0 swap. Everything is fine except that the tach doesn't work. Is this a wiring issue or do i need an sc tach?

oh2fla1a 09-21-2003 09:26 AM
Have you found an answer yet? I’m having the same problem..
Thanks

CamB 09-21-2003 11:37 AM
I dunno - I had an SC tach in my '75 and swapped it straight for a '74 tach - it worked fine.

dd74 09-24-2003 08:32 AM
My '74 tach works fine with my SC engine. Try putting the old tach back in, and if it works, leave it.

Wayne 962 10-11-2003 12:39 PM
Sounds like a wiring issue to me. Check the harness...

-Wayne

flmont 10-12-2003 07:18 PM
Hey Novice...How did you hook up the engine bay wiring for your 77'...and how did the ECU hook up go.???? Thanks Frank with the exact same upgrade ...


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