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ASE Master Tech - 35 yrs
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3.2 DME vs Tach compatibility?
3.2 DME fried by incompatible Tachs?
recently posted warning on 914World site  914World.com - The fastest growing online 914 community! anybody here have more info??? SC tach vs 3.2 tach compatibility, for instance?  this Pelican thread does not yet cover the issues  Tachometer Compatibility Chart (p.s. i just bo't a 3.2 tach off ebay as insurance against this potential problem of my expensive Wong chipped 082 DME getting fried by my oem 1970 911 tach, (which have been working fine together for 3 yrs, albeit few miles)) - ???
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"... I am German, and if it has no logic it's meaningless." 914 & 914-6 parts FS 03-2021 www.tinyurl.com/2pmpmv8y911 parts FS 2022 https://tinyurl.com/911-Parts-FS-LCM
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11-18-2016, 12:16 PM
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Registered
Join Date: Jan 2009
Location: Marietta, Ga (Atlanta)
Posts: 2,970
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I installed a 964 3.6 into my '80SC (also previously had a 3.2 motor/DME in it)
I have used the original SC tach on both installations with absolutely no problems over the last 24yrs! One thing I do know is if you hook up the black/purple tach wire from the DME to the upshift connector on the tach, you can burn out your DME.
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'80SC Widebody 3.6 transplant Anthracite "The Rocket" Long gone but still miss them all: '77 911 Targa, '72 BMW 3.0CS Coupe(finest car I ever had!) '71 911T Coupe White, '70 911T Coupe Blue '68 911 Coupe Orange, '68 911L Soft Window Targa |
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11-18-2016, 01:27 PM
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MGB racer
"Sixer"
daily driver
hauler
