[QUOTE=custom76] If you are going inside to build up the rear check out tomsdifferentials.com He has some bullitproof rear endstuff.From mild to wild. If you are going to push some horepower or just want to repair/strengthen the diff check him out. Can you say 12" ring gears in the diff? How about 1480 universals with their 3 1/2" axles. I put on his larger bearing cap to help hold the weakest side (left)of the C-3's diff. It uses 1/2" bolts vs 7/16" and the cap is a solid steel billet piece. It helps hold the side where the ring gear puts the most stress on the rear. No fear. They love to talk tech too.[/QUOTE] Thank you Phil!corvette440hp2008-04-18 16:35:06

  The 80 to 82 Is the Dana 44 in the Aluminum C4 style housing. Funny how C3's have a C4 style Housing and its not the other way around. So do we know if Toms Diffs dose the Dana 44 ???

[QUOTE=Gale Banks 80]  The 80 to 82 Is the Dana 44 in the Aluminum C4 style housing. Funny how C3's have a C4 style Housing and its not the other way around. So do we know if Toms Diffs dose the Dana 44 ???[/QUOTE] Rich, Tom's go all the way up to 5.89 gearing in you would ever want gears that steep. Click here for Dana: http://www.tomsdifferentials.com/catalog.asp?pg=95

Here's another link to Duntov Motors in Texas:  http://www.duntovmotors.com/Differentials_80-82.htm

Here is another link to check out:http://www.exoticmuscle.com/webpage.php?EMCAT=vette&MENU=SHOWPARTS&CATSEL=DRIVETRAIN

yw 440. Let us know how you make out with Duntof. Not a bad choice either. custom762008-04-20 00:33:55

I used Duntov Motors in Texas to build the rear axle. They worked with me every inch of the way. I spoke with the owner, Alan numerous times. They sent a bullit proof shipping crate for me to sent my axle to them. I upgraded many items. They bought many of my original parts. That reduced my costs quite a bit.  I was going to do the work myself, but after I spoke with Alan, I didn't thing that it was wise for me to go that route. The prices include shipping.