Jake Brake / Pac brake question
I may be asking a dumb question but I am researching for future DP purchase. I have a gasser and have never owned a DP but have been looking at a lot of them. Is the type of supplementary braking writ...
Forum Discussion
My 2003 Magna with a C12 has a 3 stage Jake brake. There are two switches involved. One activates the Jake while the other is three position 2, 4 or 6 cylinders.
