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performance differential

Old Jan 19, 2006 | 11:53 AM
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hi, who are the best differential builders for hi performance applications? apart tom's...i've contacted them a week ago and i'm still waiting for a reply...
thanks/Giu
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Old Jan 19, 2006 | 12:07 PM
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Van Steel, a supporting vendor, has a good reputation. I had mine done by Bair's Corvettes in PA. They did a good job.
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Old Jan 19, 2006 | 12:16 PM
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I'm doing a performance diff now, heat treated 10-17's, steel cap, larger cap bolts,373's tune posi, etc, etc etc. Problem is the cost to ship to Italy would be very high.
Gary
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Old Jan 19, 2006 | 12:25 PM
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How much HP & torque do you have?
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Old Jan 19, 2006 | 12:42 PM
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Originally Posted by Van Steel
How much HP & torque do you have?
hi , power and torque figures dinoed: 575hp at 6.200 rpm and 530tq at 4.300rpm...
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Old Jan 19, 2006 | 04:53 PM
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Will you be putting slicks on the car? A 12 bolt diff is probably your best bet if so. They can take a hell of a beating.
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Old Jan 19, 2006 | 05:27 PM
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Alan's Gear Works in Clearwater, FL, blueprinted my service replacement Dana 44 in the '80. This was an NOS unit I bought from dealership liquidation on eBay several years ago. It included all side yokes and the gullwing rear cover. Alan's mechanic verified it had never been turned (the blue paint was still on all of the gears and everything was pristine). They upgraded to Spicer 3.54 gears and blueprinted the entire unit. It has performed flawlessley (having followed their breakin procedure religiously).

Alan sold to new owner few years ago but the same fella that blueprinted my unit was still there last time I checked (the mechanic's his last name was Hutchinson if I recall correctly).

I don't know if Van Steel had a relationship with Alan's or not; for some reason, I think they did but I may be wrong.

Alan's Gear Works, Clearwater, FL: http://www.agearworks.com/
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Old Jan 20, 2006 | 06:49 PM
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Originally Posted by Van Steel
Will you be putting slicks on the car? A 12 bolt diff is probably your best bet if so. They can take a hell of a beating.
Are you folks doing a 12 bolt conversion also?
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Old Mar 3, 2006 | 12:02 AM
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Originally Posted by Van Steel
Will you be putting slicks on the car? A 12 bolt diff is probably your best bet if so. They can take a hell of a beating.

As asked above, are you doing 12 bolt conversions?

Thanks
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