295/50/15's on the rear?

[gchemist]

Originally posted by C-10volvo
wow, im running a 1984 305 with a 700r4. it has in 15'' by 7'' with 235 15 75's and that thing its already hard to powerbrake. then your saying that youve done it with 255's. am i loosing a lot of power somehow? or does that 55 series tire make a lot of difference? my truck has only 50000 miles on it!!! why??? maybe the new 572 will solve all my problems. 720 hp would get that moving along well.

I can powerbrake mine and the first tire will start spinning at ~1100 RPMs. Not sure when the second one kicks in but easy to do. At 3000 RPMs, I'm having some real fun. I really liked it when I had 235/60R15 on the back. We need to get together somewhere so y'all see for yourselves.