Drivetrain problems. Happen to anyone else?
Safety Car
Joined: Jul 2005
Posts: 4,275
Likes: 4
From: Vancouver WA
Wow. 
You got guts, or you are just 
Automatic transmission aren't built to take that kind of abuse. Especially the ones in the C5's.
If you want to rev it up to 3k and drop it into gear, then you need a manual transmission.
Now that you learned your lesson, I hope your damage isn't too severe. But you probably trashed the transmission pretty bad. Call Rodney up at RPM, he has the best prices and A1 reputation. But even his built trannies may not take that kind of abuse. So I hope you don't do this again. If you want to come off the line hard, then get a stall convertor and maybe a tranny brake. Also, you should get a built differential too if you plan on running any tires that bites. OH..... add a tranny/differential brace along with it. Ching-ching $$$
You got guts, or you are just Automatic transmission aren't built to take that kind of abuse. Especially the ones in the C5's.
If you want to rev it up to 3k and drop it into gear, then you need a manual transmission. Now that you learned your lesson, I hope your damage isn't too severe. But you probably trashed the transmission pretty bad. Call Rodney up at RPM, he has the best prices and A1 reputation. But even his built trannies may not take that kind of abuse. So I hope you don't do this again. If you want to come off the line hard, then get a stall convertor and maybe a tranny brake. Also, you should get a built differential too if you plan on running any tires that bites. OH..... add a tranny/differential brace along with it. Ching-ching $$$
Le Mans Master
Joined: Aug 2000
Posts: 5,294
Likes: 2
From: Suffolk, Long Island NY
I believe it's in the 8's. 
You probably broke a output shaft. Have the rear R&R'ed with a heavy duty output shaft and call it a day. If you have the cash, probably wouldn't hurt for them to rebuild the trans while everything is apart.
If you want a better launch, get a high stall converter.
You probably broke a output shaft. Have the rear R&R'ed with a heavy duty output shaft and call it a day. If you have the cash, probably wouldn't hurt for them to rebuild the trans while everything is apart.
If you want a better launch, get a high stall converter.
Safety Car
Joined: Jul 2005
Posts: 4,275
Likes: 4
From: Vancouver WA
Drifting
Joined: Mar 2003
Posts: 1,398
Likes: 1
From: Kingsport TN
Rob, I used to live in G'ville. Best shop and probably the closest where I had all my work done is Next Level Performance in Orlando area:
http://www.nlperformance.com
They'll be able to troubleshoot and they've installed Rodney's tranny's before as well.
They can also recommend a reputable flat bed company to get it to them. Hope it all works out for u.
Also, u might want to call Rodney at RPM transmissions and explain to him what's going on. I know others on the forum said he was extremely helpful in giving advice in these matters. He'll help u at least do some troubleshooting to narrow down your problem.
http://www.nlperformance.com
They'll be able to troubleshoot and they've installed Rodney's tranny's before as well.
They can also recommend a reputable flat bed company to get it to them. Hope it all works out for u.
Also, u might want to call Rodney at RPM transmissions and explain to him what's going on. I know others on the forum said he was extremely helpful in giving advice in these matters. He'll help u at least do some troubleshooting to narrow down your problem.
Last edited by berryj; Mar 31, 2007 at 04:27 PM.
Tech Contributor
Joined: Jan 2007
Posts: 19,398
Likes: 1,139
From: Dyer, IN
It's not that they are rude, they are just (like myself) in utter disbelief that someone would do a neutral drop. I haven't done anything like that since high school. That's what a stall converter is for partner. Like others have said, hard lesson learned. Best of luck.
Le Mans Master
Joined: Jun 2002
Posts: 8,352
Likes: 103
From: In the pit, trying to love someone.
It's not that they are rude, they are just (like myself) in utter disbelief that someone would do a neutral drop. I haven't done anything like that since high school. That's what a stall converter is for partner. Like others have said, hard lesson learned. Best of luck.
Racer
Joined: May 2001
Posts: 253
Likes: 3
From: The Woodlands Texas
Not so hard on the drivetrain
Dropping an A4 into gear at 3K is hard on the tranny but is a piece of cake for the rest of the drivetrain. It is no different than dropping the clutch at 3K with a 6 Speed. The diff and axles should have no problem handling the load of 3K launch.
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Race Director
Joined: Mar 2005
Posts: 10,033
Likes: 17
Not a good comparison. Doing a neutral drop on an auto trans is not comparable to dropping the clutch in a stick.
Burning Brakes
Joined: Aug 2006
Posts: 901
Likes: 1
From: Oxford PA
Racer
Joined: May 2001
Posts: 253
Likes: 3
From: The Woodlands Texas
What I was trying to say is that it is definately much more destructive for the auto transmission than it is for a manual trans but not harder on the rest of the drivetrain. The shock load on the diff and axles is determined more by the amount of traction available.
Burning Brakes
Joined: Aug 2006
Posts: 1,170
Likes: 0
From: BROOKLYN PARK MN
I love neutral drops, we use to do them in my buddies ford tauraus station wagon. But that was in highschool. NO MORE NEUTRAL DROPS.
I really don't know much about autos, what about a trans brake
I really don't know much about autos, what about a trans brake
Le Mans Master
Joined: Sep 2003
Posts: 6,276
Likes: 226
From: Farmington CT
Cruise-In VII Veteran
Safety Car
Joined: Oct 2004
Posts: 4,816
Likes: 132
From: Plano TX
3k Neutral slams?? Thats about as smart as putting it in reverse from drive going 25 mph.. Why would anyone do this... Starting to see some really silly and bizzare posts..I guess the C5 s have come down in price enough for teenagers and kids in the early 20's to afford these cars and do stupid things to tear them up.. Jeez,, makes me want to puke
Team Owner
Joined: May 2003
Posts: 23,480
Likes: 9
From: East Meadow NY
St. Jude Donor '12
You got lucky..Get yourself a nice hardened output shaft and stay away from neutral drops. The high stall converter gives you a "similar" effect as a neutral drop w/o the abuse. The A4's in a vette are notoriously weak, so you have to be a little more careful
I have a hardened output shaft in my A4 and lots of passes on it with 400+rwhp and haven't had a problem breaking anything.
I have a hardened output shaft in my A4 and lots of passes on it with 400+rwhp and haven't had a problem breaking anything.
Team Owner
Joined: May 2001
Posts: 87,323
Likes: 1,587
From: Western NY
3k Neutral slams?? Thats about as smart as putting it in reverse from drive going 25 mph.. Why would anyone do this... Starting to see some really silly and bizzare posts..I guess the C5 s have come down in price enough for teenagers and kids in the early 20's to afford these cars and do stupid things to tear them up.. Jeez,, makes me want to puke
It's truly amazing, and then the guy gets upset and calls US rude for being truthful! I guess I was never "wealthy" enough to be able to do stupid stuff and just shrug it off. If I broke something, I was under the car fixing it myself.....
Drifting
Joined: Mar 2005
Posts: 1,737
Likes: 0
From: Northern VA
I don't think it's that as much as the feel good mentality kids are raised with today. Everybody gets a trophy...
When you screw up, someone NEEDS to tell you so... Just like when you do somethng good.
Race Director
Joined: Nov 2001
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