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*SSE 4 2SS* · 06-16-2023, 12:47 AM

When you say the trans is “fine”, did you put it in various gears while it was out of the car to see if the input shaft was causing rotation to the output shaft, especially in first gear, supposing you attempted the burnout in first gear…

I might at least expose the gears and shafts, to ensure no gears or shafts were damaged… Hopefully a performance shop checked this…

Broken gear, broken teeth, broken input shaft, main shaft or countershaft… I had a bit more power than stock, and my tr6060, had 300M shafts and 1-5 were billet gears… I was under strict orders to never load the trans in 6th gear, as it would immediately disassemble itself. I know you said you only found “clear” fluid, but you disassembled the diff, and it was fine, so I’m thinking it has to be internal to the trans… unless you broke the tail end of the crankshaft… very doubtful… but not impossible…

Good luck, I hope you guys solve this…

Here is a 300M input shaft on my car after a dead hook launch at Indy… I went on to run the Texas Mile with this shaft a couple months later… we didn’t know it was twisted, something the builder said could not happen but rather the shaft would break… Not only was the input shaft twisted, the internal shafts were so twisted they couldn’t get the gears off… That launch cost me an entire new extreme performance TR6060… ish… We only found this after removing the motor for unrelated maintenance… Bare in mind this is a “Viper Spec” input shaft and as such is substantually bigger in diameter than the 5th Gen Camaro input shaft…

06-16-2023, 12:47 AM	#2
SSE 4 2SS Boosted Moderator Drives: Bone Stock LS3 Join Date: Sep 2009 Location: Marion Tx Posts: 15,799	When you say the trans is “fine”, did you put it in various gears while it was out of the car to see if the input shaft was causing rotation to the output shaft, especially in first gear, supposing you attempted the burnout in first gear… I might at least expose the gears and shafts, to ensure no gears or shafts were damaged… Hopefully a performance shop checked this… Broken gear, broken teeth, broken input shaft, main shaft or countershaft… I had a bit more power than stock, and my tr6060, had 300M shafts and 1-5 were billet gears… I was under strict orders to never load the trans in 6th gear, as it would immediately disassemble itself. I know you said you only found “clear” fluid, but you disassembled the diff, and it was fine, so I’m thinking it has to be internal to the trans… unless you broke the tail end of the crankshaft… very doubtful… but not impossible… Good luck, I hope you guys solve this… Here is a 300M input shaft on my car after a dead hook launch at Indy… I went on to run the Texas Mile with this shaft a couple months later… we didn’t know it was twisted, something the builder said could not happen but rather the shaft would break… Not only was the input shaft twisted, the internal shafts were so twisted they couldn’t get the gears off… That launch cost me an entire new extreme performance TR6060… ish… We only found this after removing the motor for unrelated maintenance… Bare in mind this is a “Viper Spec” input shaft and as such is substantually bigger in diameter than the 5th Gen Camaro input shaft… Attached Images __________________ If the car feels like it is on rails, you are probably driving too slow. -Ross Bentley Horsepower is how fast you hit the wall. Torque is how far you take the wall with you. “If everything seems under control, you're just not going fast enough.” Mario Andretti If you can turn, you ain't going fast enough...