Forum Discussion
the_bear_II
Oct 01, 2018Explorer
I changed from 3.73 to 4.30 gears on my chevy and only gained 5MPH on 6% grades. Gas mileage suffered when not towing because the engine was revving higher at freeway speeds so it wasn't worth the swap.
About Travel Trailer Group
44,056 PostsLatest Activity: May 04, 2014