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About 8,000 miles on a new Jannis built transmission and it lets go.

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leirch

Member
Joined
Oct 10, 2002
Messages
108
Ok guys,

Heres the story. Back in October of 2003 I take my tranny to get rebuilt, its slipping at the 1-2 shift and has a few miles on it so I take it to Vince.

He goes through it, rebuilds the valve body to his spec, puts a billet forward drum in, billet input shaft, alto red bands, I already had a PTS xtreme billet servo and pressure valve assemble in it(there were a couple of other parts upgraded but I don't have the receipt in front of me at the moment).

I got a stock D5 rebuilt to run in it as well at the same time.

I have a PTS xtreme tranny cooler on this as well.

I finally got the car back together and running in April. The motor is a stock 3.8, stock heads, cam, intake, turbo, everything is stock, 16lbs of boost to boot.

This was transplanted into my 3rd gen Camaro.

Car ran great. Tranny shifted awsome, firm and everything.

Last Saturday I was merging onto interstate. Was in 3rd gear, I put the pedal down to merge, it down shifted into second and started to pick up, at about 3500 rpms I hear this very suttle clunk/twang and then the rps fly and I have no power to the wheels at all.

I pull over, rev the engine, it sounds fine, put it in park, back in gear, nothing, put it in park then reverse, nothing.

So I walk a couple miles back to town, have my uncle tow me back home. While the car is jacked up I start the car and put it in gear. The driveshaft isn't turning at all.

I checked the fluid at this point, it looked great, smelled fine and was at the proper level(a hair above the full mark).


So, what do you guys think could have happened? Input shaft? Overrun assembly?

If either of those, I have NO idea why in the hell this would have failed against a 14/13second motor. I'm still cooling down from it, I'm pretty pissed. I have over 2k in this tranny and live about 110miles from Jannis transmission.
 
First, put a gauge on it to check line pressure. Under the conditions you mention it may have popped the pump rotor. Second, give Vince a call and see what he has to say. He is a great guy and builds a great trans.
 
Unfortunatly I already have the trans half way removed from the car(drained and crossmember out).

I spoke with Vince breifly. He said to bring it in. Said it was possibly the overrun or Input shaft.

I was just curious as to see what others thought.
 
Maybe 280horse at the crank, if that?

Its pretty much all stock(ported intake, new valvesprings, and 9inch k&n).
 
Would be unusual to see a shaft go at that power level, but stranger things have happened before.
 
I've had Vinny do quite a few trannys for me. He'll take care of it for you, he's a very stand up guy.


K.
 
So whats the point of your post, something broke in your trans, you don't know what it is and the guy that did your trans said bring it in for him to see whats going on. How could you bash someone before you even know the facts ? And NO Janis does not do my tranny's
 
IF you read the post he is not bashing anyone. He is asking what you think could be wrong. And telling you who built the trans.HE never says anything about it being junk,or being ripped off or that he is not being taken care of.
Just asking what could have gone wrong in only 8000 miles.

HE was pretty strait forward about his problem,ANd just looking for ideas
 
I'm no tranny expert. I know Vince builds a great tranny, thats why I took it to him.

He told me what he thought it was. And i'm really inclined to believe him, I just wanted to know what others thought about it.

Trust me, once I find out what it is I'm sure i'll add to this post all of the info I've come across.
 
If he was not trying to bash then my bad, my perception was by naming the vendor and stating it only lasted 8000 miles in the subject he was bashing.
 
No bashing!

I certainly didn't percieve any bashing in the original post. Just facts were mentioned. I personally don't think there is anything wrong in mentioning a vendor and a problem with a product bought from a vendor. As long as we stick to the facts and don't presume things! Just my .02 worth!
 
The possibility exists that there is nothing wrong with the transmission. The torque converter turbine spline may have stripped or broken out.
 
I had my tranny rebuit by Vince last August and also had a billet forward drum and input shaft installed...also had the stock converter rebuilt...my tranny was in HORRIBLE shape before I brought it in...it was to the point where I lost all the gears but the 1 and 2...everything was toast in the stock tranny...took the tranny to him and he had it done in about a week and it was just like brand new...put it in and it shifted AWESOME and never had a problem (then I blew a headgasket in November and car has sat ever since)

but when the car was running...this thing shifted AWESOME...nice firm quick shifts...this was with about 450 horsepower...now I will be putting a little more power to it and I am changing out the converter to a PTS billet 3500

Vince is the man and he builds good trannys...I think something flukey just happened...like Vince said, take it to him and he will fix you up...he's a no BS guy and he stands behind his work!
 
UPDATE :

I just got the trans back yesterday. The input shaft was fine but the overrun housing assembly didn't care for the hard shifts that the trans was putting out.

It split down one side and broke off a few of the teeth.


As soon as I came to get the trans , Vince asked if it had been shifting pretty hard, I told him it would bark 2nd and 3rd. He said, yea, thats not good.

He also toned down the valve body a little so the shifts weren't as harsh.

I have the trans back in and ready to go. Seems to be working great so far.
 
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