Mine is an 85 dually, 454,t400,4.10 rear. 8.5 is as good as it gets loaded or empty.
A friend has a 92 with the injected 454 and he gets 10.5, his is ext cab, dually, 3.73 rear.
I would love to put a 4l80e in mine- but simply dont have the funds right now.
John
|