-
Posts
1 -
Joined
-
Last visited
BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. The forums are not affiliated with Mack Trucks, Inc.
Thank you for your support!
2000 MACK CH613 POWER UPGRADE TO 427, VERY DISAPPOINTED
in Engine and Transmission
Posted
i have a mack etech 12litre with 480horsepower originally. No i have changed eup:s and injectors to bigger ones and an holset hx55 turbo. We made a new software to it on a dyno . Now it's pushing 611rwhp 3110newtons on 1600rpm. The difference is outstanding and performance and fuel economy is better