OhLawd_zps9f3cfa82.jpg

 

i would like to clarify something here before this gets blown out of proportion and blame is placed in the wrong area. theres NO evidence that the wavetrac caused this or any other ring or diff failure. the ring and pinion failed which are in no way part of the wavetrac design or part. these are oem parts that had thousands of miles on them.
a cursory look at the wavetrac shows no obvious damage but certainly the unit needs to be torn down and inspected closely. the pinion gear however looks like a catastrophic failure occured whether improper shimming or a metal failure to to excess torque from the driveline has yet to be determined to be the cause .

afaik there hasnt been a single failure of the wavetrac unit itself. these units can handle upwards of 1000 hp and are a well built unit.

and no the c63 diff wont fit in this platform . the long term answer imo would be case hardened gears which would have to be custom made

 

Thanks for the info Steve.

 

Steve I wasn't placing blame on the Wavetrac.
We all know the rear diffs in our SRT6's are the "weak link" especially for those that like to track. However, it was my understanding that the Wavetrac was the answer to solve these weaknesses.

 

It did solve that weakness (pin through spider gears issue). It made the next weakest part fail. Once the ring and pinion gear issue is solved then my guess will be the rubber ring in line of the driveshaft to the rear end... after that maybe the rubber mounts for the whole rear suspension. it is a vicious cycle when more and more power is added.
I will be removing and inspecting mine during the winter months.

Just to make sure I haven't miss anything recently, I had the car inspected last week and everything is good to go!

 

Ahhh thanks for the clarification and yes, that's all part of modding for greater power.

 

Any time you try to make one part of the car stronger, the next week spot shows up, with wave trac, we gave our car a limited slip differential. we took away the weakness of the spider gears, even though there had been a few ring and pinion Failures before but not as many as spider gear failures.
Before the wave trac I destroyed three rear ends, none of which did the ring and pinion fail, After approximately 12,000 miles, and over 125 quarter-mile runs, I cracked every tooth on the pinion of my 307 gear set.which I sent up to Devon and had him go through everything as per our agreement for the wave-trac test. he found the cracked teeth we replace the gear set, and now that is my spare differential with a wave trac and it
After Anthony had his problem, I PM him and told him that it was the pinion, I think he is now ready for 327 gear set. Which reduces a lot of stress on the ring and pinion jim

 

I spoke to Devin at Unitrax today. For those with a damaged 3.07 ring and pinion, they have gear sets in stock for $450 untreated and $650 treated.

I shipped my differential through my employer today for $65, and that included $1,000 insurance.

 

That's sounds like a resonable price. What have they treated the gears with?

 

He mentioned a coating and I believe he said something about shot peening.

 

Yes, when I changed my rear diff to the wavetrack I also coated my gears with Molybdenbaserad based coating. I haven't driven my car yet beside from one garage to another so I really don't know how well it will work later on the track or if we even will be seeing difference with or without the coating. Only time can tell

 

sounds good - subscribed
- but why stick with the 3.07?

 

Do you think the 3.27 gear would be faster or better? My car already feels traction limited. I've run a 3.8 second 0 to 60 on drag radials (without spray) on the street, but the best I can do on street tires is low 4's (4.20). More gear will likely make me faster at the track, but slower on the street (from a dig).

Fwiw, I went with 3.27's despite my instincts telling me not to.

 

you will love it...I would go to a 3.73 if it were possible.,..lol

 

It may be time for mini tubs with a set of these for the street

 

Normally I would agree, but having had an old Camaro set up in the old days, I can tell you we will all see weak points. This rear end in general isn't going to take all that more HP with out some work. I know my diff is trying to torque over on my launches with drag radials. You can feel it. That is why I only use street tires right now. Summer compound to be exact. You add more tire, more HP, and something is going to break. Gear, rearend mounts, you name it, it will give....The engine will take more HP< but the drive train is being tested at best

 

doc it is possible,, we put a 3,91 out of a Challenger, into a E55 .,, mounting bolts were added, axle replaced, hubs were replaced. a crossfire limited TCM was used, programmed to 391, we used the limited tcm because the guy wanted to keep his E55 tcm and differential with 265 gears for a spare,, we had a limited tcm laying on the shelf so we used it.,, it runs great.. jim

 

I have been watching and listening to what you guys have been up to Jim. When the time is right, I think I have a gear set spotted. I keep in touch with Rudy from time to time. This may happen next summer if things work out. But as I stated above, kind of worrying about what else we need to beef up.

 

the Weak link seems to have moved from the spider gears over to the pinion gear,,but so far this is the 307 gear set.., if 327 gear set holds up in my car, with over 500 foot-pounds of torque, then I think it'll hold up in the SRT 6,, but we are in our third year of testing so hopefully the best. jim

by the way most of this testing is done with slicks not drag radials. This year I have a new set of drag radials

 

I am watching and learning Jim..... I hope you are right. My take on it Jim, is we aren't geared enough to help the gear set. Too much torque on it. If these cars especially your were running a higher gear, like in the 3.40 and up, the gears would hold up just fine...we shall see..