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Discussion Starter #1
i'm looking at upgrading my rear end to 31 spline and i'm going to be using slicks...alot...and i'm welding up the boxes and axle tubes and the next thing i need to do is make the rear end bullit proof but still streetable(which means no spool)

how streetable is the detroit locker? i know it's supposed to be very strong

and the trutrac how strong is it compared to the locker?


this will have to be able to reliably handle 400 hp on slicks with 3.73 gears being footbraked


any help much appreciated
jeremy
 

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IMO build a 31 spline carrier with 4 plates per side and it will be fine. I am not fond of the locker rearend the trutrack is ok. The 31 spline carriers are stronger than 28's when dealing with production units.
Alan
 

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Discussion Starter #3
dirtyd0g said:
IMO build a 31 spline carrier with 4 plates per side and it will be fine. I am not fond of the locker rearend the trutrack is ok. The 31 spline carriers are stronger than 28's when dealing with production units.
Alan

are you talking about the heavy duty 8 clutch set up 31 spline from late model f-150's? how long will the clutch rear end last on slicks compared to the trutrack? and do you mean not fond of it for streetability or overall strength?


o yea and i'm not worried about noise either unless it's ALOT...but i don't want it to heavily affect my street tires like a spool will




*full of questions lol*
 

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Both of the detroit units have their limits. The trutrack is much quieter. The downside to the oem unit is that it can wear the clutches and need rebuilt in time. The detroit units are either good or broken and the locker is a noisy setup. At some level most guys either go to a spool or with an oem large pin 31 spline unit.
The factory never put 8 plates in them it is a mod you do to them.
Alan
 

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Are you referring to the 'alternate stacking' method using friction against steel in every plate? Or is there another trick?

I've decided to sell my torsen and just keep the factory traclok. The clutches will probably need replacing when I swap in an aluminum carrier.
 
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