North American Turbocoupe Organization



no tach with msd
dolphin1 Offline
Junior Member
#1
well after searching i cant find the answer im looking for.is there any other way to make the stock tach work without the msd amp.where does the tach wire for the comp get its signal.my friend has a 91 thunderbird and he said to look for the extra wire that splices to the coil wire somewhere back in the harness.anybody done this.
Mike

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GOT BOOST
88tc 70mm tb 70mm ic outlet gutted upper ported lower PORTED E6 t3 3in atr exh cold air big k&n boost valve msd6a 42lb injs 255 pump eec-tuner lightened flywhl 5spd 3.73 gears 200hp&250tq corrected for 5300 ft elev stock head&bottom end
9/03 new ported bv head&A237 roller back to the dyno soon
Mike

2 88's, one black & one white
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Glenn 88TC Offline
Posting Freak
#2
You need the tach adapter. I tried everything to make mine work.

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mods: SDS Digital Fuel Injection, ported & polished big valve head(1.89/1.59), .500 lift roller cam, custom upper and ported lower intakes, 60-1 stage III .63 turbo, powerstroke intercooler, 60mm throttle body, 75pph injectors, Walboro 255HP pump, Kirban adj. fuel reg., ATR header, 3" exhaust with Dynomax Ultraflow muffler, MSD 6al, MSD coil, MSD Launch Control, MSD 8.5mm wires, K&N filter, Star stage III clutch, Greddy Profec B boost controller, Weld Draglites with M/T ET Street 26x11.5/15
NO TC and NO headaches.
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Joe F Offline
Posting Freak
#3
What Glen said. I tried a LOT of different things to try and get the yach to work; easist and cheapest was the MSD tach adaptor.

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Joe F.

See my 87 TC page for my list of mods & upgrades
JR's Place - My '87 Turbocoupe
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