Jul 2009. Location. Sometimes Melbourne. Posts. 2,770. VR Commodore with IRS was the M76, only some VY's got an M78. M76 was the IRS version of the M75 and the time. Jul 05, 2022 · Suitable for all M78 Series Differential. These sets are available in ratio, and axle model options. Dana Spicer 3.73 Diff Gear Set (Crown Wheel & Pinion Set ). Pinion Gear Tooth Count: 9-teeth. Pinion Spline Count: 27-Spline.. Commodore diff vn-vs. M78 borg Warner housings from Vs ute 3x housings NO DIFF CENTER OR GEARS $50 each bare housing. $100. Mullumbimby, NSW. 24/07/2022. Mullumbimby, NSW.. BA BF 6 Cyl Non Turbo Ford Falcon Torque Lock LSD Truetrac Alternative M78 Diff. $795.00. Add to Cart. BA BF FG Ford Falcon & FPV M86 Eaton Truetrac Detroit Trutrac Diff Locker LSD V8. ... EATON TRUETRAC LSD & MOTIVE GEAR 3.89 DIFF GEARS PACK FORD 9" 28 SPLINE 10 BOLT. Add to Cart. EATON TRUETRAC LSD & MOTIVE GEAR 3.89 DIFF GEARS PACK FORD 9.