Broke something when launching at drag
Hi guys,
I need help figuring out what i broke last night at the drag. I started my first run with okay burnout and easy launch. However on the second run i warmed up the tires very good and launched very hard but it didn't last long :( after 2 wheel hops as i was letting off throttle i heard slight snap and popped out of first gear. at this point i tried to move on second gear and third but nothing happend. Rolling in neutral i don't hear any clicking or noise car runs fine and goes in gears fine as well but it doesn't move when in gear. When i select my gear and let off the clutch slowly i hear a clunk and noice coming from in between the torque tube area and transmission area. i don't think its the axles i got a feel of them and seemed solid. Can any one tell me what to look for to find the problem? Current mods (03 z06) has magnuson 5psi boost along with rxt twin disc mcleod clutch, toyo r888 rubber. stock trans, diff, axles, driveshaft Hope someone can point me to the right direction. |
Sounds like you broke the output shaft on transmission
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either snapped the trans output shaft or the diff output shaft(s)... either way you are going to have to remove the drivetrain and it will be very obvious what the issue is when you get to that point... when you get the suspension and cradle out of the way separate the diff from the trans, if the trans output shaft broke hopefully it didn't take the diff out with it... I would suggest an aftermarket diff mount and motor mounts on the reinstall to help prevent wheelhop/drivetrain shake
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Originally Posted by neutron82
(Post 1595346252)
either snapped the trans output shaft or the diff output shaft(s)... either way you are going to have to remove the drivetrain and it will be very obvious what the issue is when you get to that point... when you get the suspension and cradle out of the way separate the diff from the trans, if the trans output shaft broke hopefully it didn't take the diff out with it... I would suggest an aftermarket diff mount and motor mounts on the reinstall to help prevent wheelhop/drivetrain shake
Thank you. I will try and take it apart next week Hopefully. is the output shaft same thing as main shaft? i hope its not the trans |
yeah that's another name for it, unfortunately it does sound like that's the issue since the car won't move... usually if the diff shafts break it's almost always the longer one and the car will still move since the other shaft is good... I don't think I have ever heard of someone breaking both diff shafts at the same time... since your car won't move it sounds like the trans is the problem, when the output shaft breaks it is common for it to bust the differential case as well so hopefully that didn't happen
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Originally Posted by neutron82
(Post 1595349994)
yeah that's another name for it, unfortunately it does sound like that's the issue since the car won't move... usually if the diff shafts break it's almost always the longer one and the car will still move since the other shaft is good... I don't think I have ever heard of someone breaking both diff shafts at the same time... since your car won't move it sounds like the trans is the problem, when the output shaft breaks it is common for it to bust the differential case as well so hopefully that didn't happen
Sorry i sould have mentioned the car slightly moves but it stops after 6 inches maybe not even and thats it. damit i was just starting to have fun lol. So if it is the tranny i assume its ideal to replace and upgrade shafts in diff axles and drive shaft while things are apart. |
I tell people if your going to drag race get a trans/diff brace !!!!!!
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The good news is if the car will move, the trans is probably not broken.
Likely an axle or output shaft. Hopefully an axle as they are easy to replace. Good luck! :cheers: |
Originally Posted by Pounder
(Post 1595352081)
I tell people if your going to drag race get a trans/diff brace !!!!!!
Originally Posted by Capthuff
(Post 1595355422)
The good news is if the car will move, the trans is probably not broken.
Likely an axle or output shaft. Hopefully an axle as they are easy to replace. Good luck! :cheers: Does anyone know if its a good idea to upgrade the diff or just the output shafts? Thanks everyone for your help! |
well it could have been much worse so I guess that's good bad news:lol:... call Rick at rkt56 or rpm and they can upgrade the internals with c6z stuff for pretty cheap and it is pretty stout compared to the stock c5 stuff... if you get into swapping the diff out for something like a wavetrac or quaife with dss shafts then you will be spending a chunk of money
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Do this: Its quite simple. Parts are around $500-$600.
https://www.corvetteforum.com/forums...-z06-guts.html |
Originally Posted by neutron82
(Post 1595356061)
well it could have been much worse so I guess that's good bad news:lol:... call Rick at rkt56 or rpm and they can upgrade the internals with c6z stuff for pretty cheap and it is pretty stout compared to the stock c5 stuff... if you get into swapping the diff out for something like a wavetrac or quaife with dss shafts then you will be spending a chunk of money
tnk you.
Originally Posted by TX Z06 02
(Post 1595357937)
Do this: Its quite simple. Parts are around $500-$600.
https://www.corvetteforum.com/forums...-z06-guts.html I have been searching online how to take out the diff. I remember while back i found a good write up but i cant open that page anymore for some reason. If you know a link please send it to me. i know the cradle and axle must come out but does the turque tube and tranny have to come out as well? |
The TT and trans do not have to come out. You will need to lower the tail of the trans quite a bit and will likely have to remove the intake manifold so as not to damage it against the firewall.
The output shaft for the transmission is quite long. You'll need to slide the diff off it and the rear tub will be in the way if you don't lower it enough. |
Check out the links provided. They will answer a LOT of questions and give you some options.
- - C5 ragtopws6, T-56 Build (whats in my tranny?) : http://forums.corvetteforum.com/nort...-smoother.html <http://forums.corvetteforum.com/northern-california/2504176-exoticas-z06-will-be-rowing-a-little-smoother.html> - - - C5, ragtopws6 , Upgrading your C5 rear with C6 Z06 guts, : http://forums.corvetteforum.com/c5-g...-z06-guts.html <http://forums.corvetteforum.com/c5-general/2486242-upgrading-your-c5-rear-with-c6-z06-guts.html> - - - - - C5, Its_Go_Time, Output Shaft Install - Left and Right: http://forums.corvetteforum.com/c5-t...post1573407966 <http://forums.corvetteforum.com/c5-tech/2547887-output-shaft-install-left-and-right.html#post1573407966> - - - C5 Differential Seal replacement: http://forums.corvetteforum.com/c5-g...on-photos.html <http://forums.corvetteforum.com/c5-general/2077727-leaky-butt-fixed-ga-zillion-photos.html> - - |
Originally Posted by Capthuff
(Post 1595368971)
The TT and trans do not have to come out. You will need to lower the tail of the trans quite a bit and will likely have to remove the intake manifold so as not to damage it against the firewall.
The output shaft for the transmission is quite long. You'll need to slide the diff off it and the rear tub will be in the way if you don't lower it enough.
Originally Posted by Bill Curlee
(Post 1595375422)
Check out the links provided. They will answer a LOT of questions and give you some options.
- - C5 ragtopws6, T-56 Build (whats in my tranny?) : http://forums.corvetteforum.com/nort...-smoother.html <http://forums.corvetteforum.com/northern-california/2504176-exoticas-z06-will-be-rowing-a-little-smoother.html> - - - C5, ragtopws6 , Upgrading your C5 rear with C6 Z06 guts, : http://forums.corvetteforum.com/c5-g...-z06-guts.html <http://forums.corvetteforum.com/c5-general/2486242-upgrading-your-c5-rear-with-c6-z06-guts.html> - - - - - C5, Its_Go_Time, Output Shaft Install - Left and Right: http://forums.corvetteforum.com/c5-t...post1573407966 <http://forums.corvetteforum.com/c5-tech/2547887-output-shaft-install-left-and-right.html#post1573407966> - - - C5 Differential Seal replacement: http://forums.corvetteforum.com/c5-g...on-photos.html <http://forums.corvetteforum.com/c5-general/2077727-leaky-butt-fixed-ga-zillion-photos.html> - - I pulled the diff out and all went fine so far. i orders the c6 z06s shafts and right side gear with the snap rings with all the seals around the differential. the clutches and springs looked fine. I didn't see any cracked. thank you all for the help! |
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