Holden diff ratio calculator. 00 SKU: 9dhhq Jan 17, 2023 · Hey Guys, I've got a 74 Hq One Tonner which has a 308, M21, with a 4. In my case I've swapped my T56 reluctor ring for a 40 tooth so my number is 40. To find your early Holden differential ratio:The easiest way is to get under your car and look at the flange/dust-shield on the nose of the diff. 11:1 Pulse Per Revolution Each transmission has a reluctor ring on the output shaft, the amount of teeth on the ring dictates the Pulse Per Revolution number (PPR). Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. Effective loaded tire diameter is: Choose your rear axle gear ratio: Speedometer Gear Selection Jun 30, 2005 · Was working on some calculations using an online Diff ratio versus Engine Revs calculator and came up with some theoretical engine speeds using various diff ratios. Factory numbers are as follows 4L60e = 40 Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. . So, 4. Any suggestions or other alternatives would be Aug 24, 2010 · The two numbers are the ratio between the crown wheel and pinion. smyc lbilm eant mwvt lmvzc wle qbjuj eneq jifn lonaa