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[kevin]

Ben, have not forgortten to find the hardness brinell c. Must just do some conversions to get exact figure if its above or below 60. Been chatting to a lot of ''experts '' , and the most critical element is, as Mats mentioned is the oil. If the oil is breaking down and molecules are shearing , this intern causes minor ''explosions'' on the gear resulting in pitting and then failure. This is all induced from the vibration in the l gear from accelaration to decelleration. Got to look at a gear in the same light as a journal as it basicaly is producing the same function-. I think we just get sh*t oil here as the are ten times more gearbox failures here than i have seen anywhere else. maybe our drivers are really bad
Must say the imported redline oil is working great at the moment.

[gtv-racer]

When i'm overhauling my transaxle i'll do some test. Check the hardness off the pinion gear and some other , check it for kerbs. Also gonna discus it with our engenier or it can be strengthen. Maybe make some new parts . Whe can make everything over here. Also whe can do good research. So there maybe al salution. maybe maybe maybe....

[Greg Gordon]

I have seen that exact pinion failure twice, both times on stockish 2.5 engines. That leads me to agree that it may have been a quality control issue.

Greg Gordon,
www.hiperformancestore.com
www.okinjectors.com

Oh, and I am back!

[GregoryV]

I have seen that exact pinion failure twice, both times on stockish 2.5 engines. That leads me to agree that it may have been a quality control issue.

Yeah, that was mine way back when at 29K miles, and an 83 at that, dumped the clutch and, bang - stripped pinion...

350 RWhp... sheesh and torque? GV

[Mats]

I have seen that exact pinion failure twice, both times on stockish 2.5 engines. That leads me to agree that it may have been a quality control issue.

Greg Gordon,
http://www.hiperformancestore.com
http://www.okinjectors.com

Oh, and I am back!

Hardening issues maybe? Too deep and you have problems like this.

[kevin]

Mats , think i mentioned this before but I did have the pionion analysed and they found oxidation in the root of the pinion tooth caused from ingerss off air during heat treatment process . Therefore FACTORY DEFECT.

[kevin]

sorry ''ingress" . i still got copies of report and lab x-ray pics.

[Mats]

Sry, thought Greg were talking about the pinion falling off.