Thanks bumpy and Gjac for that info.
Our target length is 33' - '35', and I haven't seen anything in 2006 for our price range. I can wish... Great to know about the changes over the years.
I'm familiar with the 460 & 454 outside of MHs, and I never heard of exhaust manifold breaks in the trucks, but I did read somewhere else that with the 454 cracked exhaust manifolds would definitely be an issue in a MH. I didn't study about 460s in MHs because I was thinking Workhorse. I'm guessing the cracked manifolds were due to the MH exhaust systems since these didn't seem to happen (that I know of) in pickups?
Many thanks again.
