Finally had the diff in the EF xr8 repaired. I'd gathered several quotes and settled on Gear exchange at Smithfield. $897.50 got me all new bearings and gear-set. I had the ratio changed from the original 3.23 to a 3.45.
I must say that I was highly impressed with the outcome. The car is running very tight and has lost the sloppy feel of the diff upon takeoff as well as fixing the whining gear noise.
At 100kph the car is sitting on 2000rpm. This is an increase of roughly 500rpm. The acceleration has definately improved in terms of better response off the mark through first and second gears and as stated above the car is running very tight. Definately worth the money!
Do you know if your tailshaft is steel or aluminium. I ask because I broke an aluminium one on my ef but am not sure if that was standard issue. I actually replaced it with a steel one from the wreckers. Bit worried if tailshaft is spinning faster then I definately want the correct one on!!
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