is that with the same ratio's in the axles? i have heard that if you make 400 at the tires with a 3.42 and go to a 4.10 you will loose hp because the dyno only reads speed " X " time to factor rwhp. i heard thet fron larry with the sliver ta, Mike i think you know him.

 

update for mike, hey bub i recieved the housing today and just finished with the solid spacer and i also installed the center on to the housing and i'll start getting your car apart tomorrow. see ya on sunday, scott k.