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

Is this (pic enclosed) 27 or 30

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Old Jun 17, 2003 | 04:06 PM
  #1  
Roostmeyer's Avatar
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From: Wichita, KS
Car: 88 Trans Am GTA
Engine: 5.1L Gen III
Transmission: T56
Axle/Gears: 3.70
Is this (pic enclosed) 27 or 30

ok i don't know jack about tranny's so here goes nothing...

Bought this torque converter for cheap and didn't even think to count the splines, fluid is clean and doesn't smell burnt. I'm counting 24 with space for 27 splines, but like i said i don't know jack about tranny's. So before its off to the classified section i want to make sure i can't use it.

So thats Q#1 is this a 30 or 27 spline converter.

Other Q's i have, When i'm done with my engine i'll probably have around/under 300hp at the wheels (hopefully). My dad says he can get a tranny shop type rebuild kit for a little over $100, he's ase certified, but doesn't know anything about performance, just look at his emaculate 79 el camino SS thats bone stock... Anyway my tranny has no problems right now and i'm looking at having the car down for a few weeks anyway, as i install headers, refinish my rims, and some other things. I've also got a transgo shift kit to install on it. My cars at 122,000 miles on the original tranny and won't shift 2nd to 3rd sometimes.

Q#2 should i shell out $100 for a rebuilt tranny and chance any complications, or should i just go with the stock tranny with the transgo shift kit.

Thanks for your time and Opinions are welcome.
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Old Jun 17, 2003 | 04:18 PM
  #2  
Roostmeyer's Avatar
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From: Wichita, KS
Car: 88 Trans Am GTA
Engine: 5.1L Gen III
Transmission: T56
Axle/Gears: 3.70
knew i forgot something
Attached Thumbnails Is this (pic enclosed) 27 or 30-conv-resized.jpg  
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Old Jun 17, 2003 | 10:44 PM
  #3  
85IrocNOH's Avatar
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From: Colonial Heights, VA
Car: 85 Iroc-Z
Engine: 305 TPI
Transmission: 700r4
Axle/Gears: 10-bolt 3.42
one word.....FOCUS
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Old Jun 17, 2003 | 11:31 PM
  #4  
Roostmeyer's Avatar
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From: Wichita, KS
Car: 88 Trans Am GTA
Engine: 5.1L Gen III
Transmission: T56
Axle/Gears: 3.70
i can try to get another one tommorrow the problem is getting an auto focus camera to focus on the inside and not the outside where i could care less. Anyway you can make out one side and a good part of the other so what do you guys think?
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Old Jun 18, 2003 | 05:02 AM
  #5  
Pro Built Automatics's Avatar
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From: Calimesa, California, U.S.
Take a micrometer or calipers and measure the diameter of the splines, if it measures apx. .990 it is the 30 spline, if it is apx. .890 then it is a 27 spline.
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Old Jun 18, 2003 | 08:38 PM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
I'm guessing it's 27.
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Old Jun 19, 2003 | 04:19 AM
  #7  
Odyssey's Avatar
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From: under the hood
Whatever happened to good ol' fashioned counting ? Can't you just COUNT the splines instead of posting a picture so someone else can do it for you ?
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Old Jun 20, 2003 | 12:35 AM
  #8  
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From: Montana
Car: 85 IROC
Engine: L-69 305
Transmission: T-5 manual
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
what he said, just count them
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