Posted by Kaegi [172.68.132.154] on Sunday, April 11, 2021 at 12:11:17 :
In Reply to: Cummins 4BT posted by Pat Holscher [172.68.37.15] on Sunday, April 11, 2021 at 10:45:11 :
most of those trucks have 4.10 axle ratios. some have 4.88s. With the 4.10s and an OD 5 speed and 35" tires 2000 rpms is about 64 mph.