Bob,
I have used a BW T5 behind the turbo motor. A Production trans made for a 5
litre ford. It held up extremely well except for 5th which is a cheap
overhung gear outside the main box. Being supported by only one bearing it
did fail. I ran this box with 15W50 Mobil 1 engine oil. Shifting was much
improved. Several of my ford friends have used the same lube on the street
and track for many years. I switched to the TREMAC and had equally good
luck with a much higher torque values. I was making in excess of 525 lbs ft
when we switched from the T5. I think with the number of units around it
may be a good choice.
After the 5th gear failures though I used only 4 speeds.
Since Jim asked about lubes, I've been using Mobil 1 synthetic gear lube all
along with a ford 9". The containers no longer call the lube Hypoid gear
lube. Has a change occurred or do they just call everything gear lube.
Jerico wants "gear lube" but the rear wants hypoid. Anyone????
Rick
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