I was going to change oil going from standard 75W-90 to Synthetic should I flush this oil thur trans first, before I fill it up?


94 xtra-cab 4x4 V6 98k, K&N intake, Custom Flowmaster exhaust, Edelbrock IAS Shocks, Cross-Drilled Vented Disc, 31x10.50 AT on American Racing wheels, Hella Headlights 90/130W and Corbeau Sports seats, Addco Sway Bars FR & RR.