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bad tranny???

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Old Mar 8, 2004 | 05:36 PM
  #1  
chevyrumble83's Avatar
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Joined: Feb 2004
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Car: 1983 Z28
Engine: 350
Transmission: TH350
bad tranny???

if your tranny was bad/going/damaged would it effect your acceleration speed?? make the car slow???
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Old Mar 8, 2004 | 08:03 PM
  #2  
iroc2nv's Avatar
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Joined: May 2002
Posts: 1,951
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From: pefferlaw ontario
Car: 1987 iroc-z custom
Engine: 355 tuned port
Transmission: 5spd baby, only way to go
Axle/Gears: 3.45
depends...is it auto or stick?

i thought my tranny was bad, but it was only my clutch that was slipping..so i changed it..and im all good..

iroc2nv
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Old Mar 8, 2004 | 10:37 PM
  #3  
chevyrumble83's Avatar
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Car: 1983 Z28
Engine: 350
Transmission: TH350
i have and auto 3 speed, TH350 .
the deal is today my tranny went, i lost second. while i was testing out this problem i notice my car was very very slow accelerating. i take her to my boys tranny shop and told him the story. basicaly he said the tranny was messed for some time.
see i have been trying to find the reasion for my sudden huge power loss awhile back and since my car just got even slower since this tranny issue i am thinking maby tranny is the problem. what u think??
i was going to change my stall thinking thats the problem but now since this i am thinking its the tranny i could change the stall while i am rebuilding the tranny and save time, but it could be a waste of money if the tranny is the problem so as u can see i dont no what i should do
i need some help here.

Last edited by chevyrumble83; Mar 8, 2004 at 10:40 PM.
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Old Mar 9, 2004 | 07:35 AM
  #4  
RegaPlanet's Avatar
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Joined: Oct 2002
Posts: 859
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From: Ontario
Car: 1991 Camaro RS
Engine: 406
Transmission: T-56
Axle/Gears: 3.42s
Has your car been slow through all gears or just one?

How does it rev up in park or neutral? Is it missing or backfiring then?
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Old Mar 9, 2004 | 09:21 AM
  #5  
Daz's Avatar
Daz
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Car: 87 Camaro
Engine: Chevy V8
Transmission: auto
Re: bad tranny???

Originally posted by chevyrumble83
if your tranny was bad/going/damaged would it effect your acceleration speed?? make the car slow???
yes it will

Daz
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Old Mar 9, 2004 | 05:55 PM
  #6  
Eric2ndGen's Avatar
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Joined: Dec 1999
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From: Out There->
There's not enough detail here to try and diagnose your problem. When you say your car is slower to accelerate- does the engine RPM still climb up and up and it just doesn't pick up speed like it used to? Or, is the engine bogging down as well?

Typically, autos slip, slip some more, slip alot and then stop working, period- the "symptom" will be the engine rpms always going higher, and your rate of acceleration going down. If you engine RPM is not increasing, then this is NOT your problem.

The next thing is- I'm assuming the TH-350 is actually a TH-350C (with a lockup converter)-if your engine RPM is not going higher and higher, you're just taking more time to get up to speed- try unplugging the electrical connector on the drivers side of the transmission case and see if your problem stops- if it does you have a gummed up/defective TCC solenoid.

If neither of these two conditions apply and your engine rpm is not disproportionately higher than it was, you more than likely do NOT have a transmission problem.
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Old Mar 10, 2004 | 01:07 AM
  #7  
louich's Avatar
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Joined: Aug 2003
Posts: 95
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From: Arthur
Car: 75 firebird..9.30@150.5
Engine: twin turbo pump gas sbc
Transmission: glide
Axle/Gears: 3.42s
just slap a rebuilt in it with a 4000 stall, then the sucker will accelerate
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Old Mar 18, 2004 | 08:25 PM
  #8  
chevyrumble83's Avatar
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Car: 1983 Z28
Engine: 350
Transmission: TH350
i got a rebuild with a new shift kit and 2500 stall, wish i would have went 3000..oh well, it just took me a bit of time to get use to it shifting higher. but she feels like a diffrent car!

Last edited by chevyrumble83; Mar 18, 2004 at 08:30 PM.
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