>What about an older box? I have an '89 200 taking up space in my garage >with a working unit. If it fits, I might be persuaded to donate it... Final drive ratio on the 89 & 90's is 3.89, it's 4.11 on the '91's. This won't be compatible with the present rear end. You could change the rear gear as well and then you would be OK. --Calvin Craig