Street Gear Poll

For what it is worth my car will have a GM4l80e in it with a lock up converter, 325/50/15's and probably something in the neighborhood of 3.90-4.10's in the 9" rear end. Folks can say what they want about a lock up converter but they are no where near as weak as they used to be. My diesel truck has a multi disk t/c in it. With the programmer I have I can monitor t/c slippage. With 10k pound behind it, the t/c locked up going up hill I had 1% slippage. When it locks up my cruising rpm drops 250 or so.