hello all I have a 1954-3100 chevy hydramatic 235 ci (WITH A 1955 CHEVY REAR END) open driveshaft currenty I have 3;38 ring and pinion would like a little more SPEED!!!!! Is there any other ring gear and pinion oppitions that would fit into my stock 3 rd member 1955 chevy truck are the car and truck 3rd members interchangable ????? any ideals THANK YOU IN ADVANCE !!!!!!!!!!!!!!!!!!!! Glenn