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Topic: Anyone Using a Detroit TrueTrac?
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need-a-cage
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Member # 5415
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I was just wondering if anyone was running a Detroit (Eaton) TrueTrac dif on the road course? I just found a piece of spider gear on my drain plug when I drained the rearend. I still have to take it apart to find out if that is a new chunk from my 31 spline "Cobra" T-lok or if it is left over from my 28 spline that I chewed up the spiders in. I cleaned the hell out of the rearend though, so I am afraid it is new. If so, I think I need to get something stronger is time. I primarily drag race, but I plan to take this thing on the road course as well.
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93 LX Hatch, Dart Big Bore 347, Edelbrock 6037's, Cobra intake, Tremec, S-trim, 60# injectors, Tweecer RT
10.84 @ 128.5mph
Posts: 606 | From: Santa Rosa | Registered: Mar 2005
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SF Coupe
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Member # 1810
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posted
Torsen diffs do not hold up well to hard launches. A detroit locker would be a better choice, but they are a handful on the road course for beginners. The trac-loc is the best choice for a dual purpose car imo, the only downside will be frequent rebuilds.
Posts: 1082 | From: SF | Registered: Sep 2002
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straightliner1
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Member # 2679
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On the upside, rebuilding the Traction Loc is pretty straight forward and parts aren't *too* expensive.
Posts: 484 | From: Sacramento | Registered: Apr 2003
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need-a-cage
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Member # 5415
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posted
I got my TKO back in the car so now I need to take the cover off the dif and inspect it. I sure hope this piece is old. It is $250 to replace the spiders and get the carbon fiber rebuild kit, which is the same price as an all new carrier. If I stick with the T-lok, I will add a friction disc and alternate the steels and frictions and shim it tighter so it will be less prone to 1-leg, which should keep the spiders living longer.
Working on the dif is a major PITA now because I have the Strange C-clip elims on the car. It will take much longer to remove the carrier now than before, and I will have to get new gaskets every time for the c-clip elims and clean and replace all the silicone. What a mess! I need to put the 9" ends on my housing.
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93 LX Hatch, Dart Big Bore 347, Edelbrock 6037's, Cobra intake, Tremec, S-trim, 60# injectors, Tweecer RT
10.84 @ 128.5mph
Posts: 606 | From: Santa Rosa | Registered: Mar 2005
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5.0 LsX
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Member # 10017
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i love my tru trac, beat the shit out of it almost everyday for the last two years with no issues at all.
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91' Notch
Posts: 1260 | Registered: May 2010
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