if you have had any welding done on the rear,check the width at the front and rear of the tires to make sure the axle tubes are not wharped. a buddy of mine had the same problem.it would take an elephant to hold it straight in the water. the axles would go in fine,but the right tube was bent in bad. steering the car sideways.it also was scrubbing the rubber off of the right slick....just something to check.