Rear end advice for racing with a 4 speed

B3422w5 said
You can buy parts to make a 9 inch WAY stronger than a Dana. Fact.
And the cost would be similar if talking S60 and such a 9 inch.

when it was time to upgrade my car, i was debating between S60 and 9''. i ended up going with a 9'' for those reasons you mentioned.