Author Topic: truetrac noise, finally found it, not sure I can fix it!  (Read 21291 times)

Offline crash340

  • Sr. Member
  • ****
  • Posts: 1291
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #30 on: October 27, 2015 - 03:50:27 PM »
I'll be checking the new one for sure before it goes in, once its prooved ok I'll take the end off the other to see what the problem was and if there is a possible fix etc
Greg

73 Cuda
Brisbane, Australia




Offline 1 Wild R/T

  • Resident
  • *****
  • Posts: 4594
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #31 on: October 28, 2015 - 02:17:25 PM »
Cool, Let us know what you find....
JS27N0B 70 Challenger R/T Convertible  FJ5 Sublime, Show Poodle w/90,000 miles since resto
WS27L8G 68 Coronet R/T Convertible  PP1 Bright Red, Project
RM21H9E 69 Road Runner Coupe R4 Performance Red, Sold...
5H21C  65 Falcon 2 dr Wagon... Dog Hauler...

Offline Jousi

  • Jr. Member
  • **
  • Posts: 53
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #32 on: October 31, 2015 - 04:09:32 AM »
Crash340, great news that you get a new unit! Hopely that problem will be sorted in the new unit.

I checked Eaton pages, their lockers carry a 1 year warranty. I bought my complete 489 differential housing with Truetrac from Dr.Diff at end of 2012, and installed it at spring 2013... So I shall continue with these: :)

BH23G1B TX9 5.7 Hemi+5-speed
JH23J0B FC7 4-speed
BS23R0B TX9 auto

Offline crash340

  • Sr. Member
  • ****
  • Posts: 1291
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #33 on: January 09, 2016 - 09:08:54 PM »
UPDATE time,

Ok, changing direction, I have just picked up a Dana 60 housing locally out of an F250 so I'll build one of them with a TruTrac instead,,,,,,,,,,,,, reason being. The replacement TruTrac Eaton sent out is no better, just as much movement in the side gears as the previous and thats brand new in box. Cass spoke to them at SEMA, showed them my short video's of both, they claim its within tollerance. Cass is arguing with them its no, Cass has also advised that the Dana centers from Eaton and Strange do not have the same movement so,,, Im going that route!
Greg

73 Cuda
Brisbane, Australia

Offline brads70

  • C-C.com Expert
  • ********
  • Posts: 18747
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #34 on: January 09, 2016 - 09:14:37 PM »
Bummer sorry to hear about the added expense. Neil talked me into the new Dana , advising me to sell the 8 3/4 and go with an all new Dana from Cass. No regrets.  :2thumbs:
Brad
1970 Challenger 451stroker/4L60 auto OD
Barrie,Ontario,Canada
Proud to own one of the best cars ever made!!!!!

My restoration thread 
http://www.cuda-challenger.com/cc/index.php?topic=59072.0
 My handling upgrade post
http://www.cuda-challenger.com/cc/index.php?topic=73985.0

Offline crash340

  • Sr. Member
  • ****
  • Posts: 1291
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #35 on: January 09, 2016 - 09:28:00 PM »
yeah Brad, several people have tried the same but it just wasnt a direction I wanted to head down, it was easier to get hold of a B Body diff to simply throw in it rather than cutting, welding and so on, if Eaton could just get their S&%t in a sock I wouldnt have to and I dont want to use a locker or clutch type as I really like the way the TruTrac functions. anyway, i picked up the 60 for $175.00 plus freight at about $100.00, I'll sell off the 8 3/4 stuff to fund it, might even make this one shorter for less backspace and a bigger dish  :bigsmile:, might even go a taller ratio like 3.9 or similar to suit the new motor. I'm not sure whats in the Dana, it might even have a suitable ratio, will check when it gets here.
Greg

73 Cuda
Brisbane, Australia

Offline 734406pk

  • Andy
  • Sr. Member
  • ****
  • Posts: 1716
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #36 on: January 09, 2016 - 11:23:40 PM »
Thanks for the info on the Truetrack. Sorry to hear about your issue with it. I almost bought one. :nono:
1973 Challenger 440 6 pack auto 3.91 rear
2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
1970 Challenger TA 340 4bbl auto-Sold and sad
1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
1995 Kawasaki ZX1100E & still alive

Offline 70chall440

  • Sr. Resident
  • ******
  • Posts: 6484
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #37 on: January 10, 2016 - 12:22:32 AM »
sticking with a stock sure grip in all my rigs...
Current Mopar
70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
Past Mopars
9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)

Offline TelisSE440

  • Sr. Member
  • ****
  • Posts: 1738
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #38 on: January 10, 2016 - 11:56:03 AM »
 :iagree: 8 3/4 Sure Grip is a pretty robust differential.

Offline 1 Wild R/T

  • Resident
  • *****
  • Posts: 4594
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #39 on: January 10, 2016 - 12:24:07 PM »
:iagree: 8 3/4 Sure Grip is a pretty robust differential.

As long as it's a clutch style, not a cone style... Cone style was junk when new & most are plain worn out....
JS27N0B 70 Challenger R/T Convertible  FJ5 Sublime, Show Poodle w/90,000 miles since resto
WS27L8G 68 Coronet R/T Convertible  PP1 Bright Red, Project
RM21H9E 69 Road Runner Coupe R4 Performance Red, Sold...
5H21C  65 Falcon 2 dr Wagon... Dog Hauler...

Offline 70chall440

  • Sr. Resident
  • ******
  • Posts: 6484
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #40 on: January 10, 2016 - 08:36:13 PM »
a "cone" style like a 489? Just use a crush sleeve eliminator and it is exceptionally strong. I have both styles and have rebuilt both styles and with the right parts they all work well depending on what you are using them behind. That said, 8.75 rear ends have been used in all facets of racing and behind some big HP.

Call Cass at Dr Diff and talk to him about sure grips; he is a wealth of knowledge and will tell you the ground truth about each of the 3rd members.
Current Mopar
70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
Past Mopars
9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)

Offline crash340

  • Sr. Member
  • ****
  • Posts: 1291
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #41 on: January 11, 2016 - 04:06:00 AM »
Ive been talking to Cass every other day, hence the decision to go Dana with a Strange STrac.
Greg

73 Cuda
Brisbane, Australia

Offline 70chall440

  • Sr. Resident
  • ******
  • Posts: 6484
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #42 on: January 11, 2016 - 11:44:49 AM »
I think for what you are doing, the Dana is a good choice.
Current Mopar
70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
Past Mopars
9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)

Offline msbaugh

  • Sr. Member
  • ****
  • Posts: 1148
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #43 on: January 11, 2016 - 04:27:17 PM »
I bought a 489 trutrac from case too. I hope mine doesn't have this problem!

Offline crash340

  • Sr. Member
  • ****
  • Posts: 1291
Re: truetrac noise, finally found it, not sure I can fix it!
« Reply #44 on: January 12, 2016 - 04:08:53 AM »
its hit and miss I believe,
Greg

73 Cuda
Brisbane, Australia