I'm thinking about getting on of these again now that I'm running 275s up front and they had the control arm at full lock since the quick ratio boxes have shorter stops. If I do this though I want to get a remanufacturered box from Napa, Advance, or wherever. I know the 1LEs and WS6s had them but there isn't an option to choose those models in their computers, just options for engine size. I'm not sure how this box was optioned so I don't know what to tell them to make sure I'm getting a quick ratio box and not the same thing that I already have. When I look on Napa's web site and I put in 1991 Camaro and whether I choose 5.7L or 3.1L engine it shows me the same two boxes (one with FE1 one without).

 

If it's a Formula Firebird, the cars that had the WS6 *Level III* package were the ones with the 12:1 box.