Does anyone know if a tach from an 83 turbo 5000 would fit in the 89-91 200 IC? No p/n, but the 83 has a 270 degree sweep, with 7k at 1 o'clock and 1k at about 6 o'clock. It has a built in boost gauge at the 3 o'clock position. TIA Regards, Jerry 91 200q