Transmissions and Drivetrain Need help with your trans? Problems with your axle?

No 3rd/4th gear @ WOT, shifts normal at part throttle.

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Old Mar 29, 2005 | 09:49 PM
  #1  
StealthElephant's Avatar
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From: Woodbury, NJ
Car: 87' Iroc
Engine: 350
Transmission: 700R4
No 3rd/4th gear @ WOT, shifts normal at part throttle.

Yea, I went to the track tonight and my trans wasn't having it.

First 2 runs I launched horrible, spinning into 3.5+ 60' times...heh.

My first run was 16.534 @ 95MPH.

Back to the trans though, on my 3rd run it just wouldn't shift into 3rd gear. I shifted into 3rd at 5200RPM and before I knew it the engine was at 6000RPM and I'm like

Thinking I didn't shift it into 3rd I moved the shifter up another gear, and I was now in Overdrive. Still didn't shift into 3rd. Needless to say my rods were probably screaming for their life as my engine neared 6500RPM. Not cool.

So I got my slip, 15.1 @ 87MPH. I'm like yea, somethings not right cause I was 16.5 @ 95MPH with a 3.6 60'.

I ran again just to make sure, yep, no 3rd gear. I just took my foot off the gas and coasted the rest of the way.

So I've got 3rd and 4th at part throttle driving around, but WOT is a no go. What gives? Clogged valve body? I mean, if my clutches were blown I wouldn't have 3rd at all right? Is this fixable? I guess I'm getting a probuilt 700 sooner than I thought.

Real disappointing, I know my engine has a 13 second pass in it, trans just wasn't having it.
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Old Mar 30, 2005 | 08:00 AM
  #2  
18inchboyds's Avatar
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From: Amsterdam , NY
Car: 1985 Trans Am
Engine: vee eight
Transmission: auto
Axle/Gears: 4.10 gears
mine does the same thing , except i dont get 2-3 wot or 3-4 , i had it rebuilt and i think the guy is an ******* and screwed it up . From now on i think its worth it do to stuff yourself and buy one from a reputable place .
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Old Mar 30, 2005 | 11:56 PM
  #3  
StealthElephant's Avatar
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From: Woodbury, NJ
Car: 87' Iroc
Engine: 350
Transmission: 700R4
I should clarify, mine will not shift 2-3 or 3-4 @ WOT, only part throttle under 3,000 RPM.

My tranmission is stock, 84k on it. Any ideas?
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Old Mar 31, 2005 | 02:35 AM
  #4  
406TPI's Avatar
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From: Grand Rapids, MI
Car: 1985 IROC-Z
Engine: Magnacharged LS1
Transmission: T56
Axle/Gears: Ford 9" 4:11's
3-4 upshift will not happen at WOT on a stock 700R4....normal.
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Old Mar 31, 2005 | 04:46 PM
  #5  
StealthElephant's Avatar
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From: Woodbury, NJ
Car: 87' Iroc
Engine: 350
Transmission: 700R4
I have no 2-3 shift at WOT, yet at part throttle my 2-3 shift is perfect.
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Old Mar 31, 2005 | 06:28 PM
  #6  
nape's Avatar
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From: SW Chicago 'burbs
Car: American Iron Firebird
Engine: The little 305 that could.
Transmission: Richmond T-10
Axle/Gears: Floater 9" - 3.64 gears
Originally posted by StealthElephant
I have no 2-3 shift at WOT, yet at part throttle my 2-3 shift is perfect.
Try adjusting the TV cable. If that doesn't work, time for a new trans.

Lack of a 2-3 WOT shift means something is going in the trans.
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