thanks , i just remembered that i have not changed the diff fluid since it was installed, (ran like 3 gallons thru it) so ill tear it out and put in like what it came with 500k i think , probably doesnt have any left in it, thanks for the help, i still am gonna run it tomorrow anyway, cant resist, goes pretty good, i was impressed, now i just need to get it to stop diffing out and should be cool