anyone know the width of an 1985 El camino rear end...wms to wms??

all these El Camino's came with 7.5" rears....what rear do you use for one of these??

runnin about 300-350hp..

thanx all!!
Darin

it depends on what you're looking for., the lower the rear the less top in but it gets you to your top speed faster. i like a 342 posi its a good trade off. decent gas mileage, good hole shot off the line.