Rear End capacities (Hi Tech cover)

[biggsy]

Im ready to change over to royal purple! 75w90 how much will it take to refill with a hi tech cover? 2500 HD 3.73 gears thanks

 

[Turbo Performance]

Im ready to change over to royal purple! 75w90 how much will it take to refill with a hi tech cover? 2500 HD 3.73 gears thanks

Their website says approximately 7.5-8 quarts to fill it all the way up. Takes about 4 to fill up a stock cover rearend.

 

[biggsy]

Thanks for the info that's gonna hurt on the royal purple!