Today I took the truck for a drive down the interstate and I noticed that when I would get up to speed I would have to keep it in the high rev range to maintain speed. Otherwise it would slowly lose speed until it down shifted. Any ideas?
So let me give you a little background on this truck. It has 93k miles, has had the engine rebuilt about 6 months ago and had a mild camshaft put in. I've not had any running issues, other than a misfire caused by a little bit of oil burning and once when the IAC couldn't catch the cam and it...
I have a 1988 C1500 with a 700r4 with less that 100k miles on it. Recently I've rebuilt the engine and put in a new B&M torque converter and filter kit in an effort to fix the infamous "shudder shift". That worked great until about the last month. Recently when coming to a stop in would notice...