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

Dextron II or Dextron III

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Old Apr 9, 2005 | 03:32 PM
  #1  
Crusin' 1980's's Avatar
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From: Upstate New York
Car: 1988 SC Camaro
Engine: 305 TBI
Transmission: 700-R4
Dextron II or Dextron III

Just to clarify somehting for me, my 1988 owners manual says to use Dex II but now the common type seems to be Dex III...Is Dextron III better to use to should I stick with the older Dex II type...(I'm assuming that Dextron III came out later and is what is CURRENTLY recommended for our transmisisons......Is this assumption correct?) Thanks
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Old Apr 9, 2005 | 03:35 PM
  #2  
86IROCKET-Z's Avatar
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From: NE Ohio
Car: 1989 Toyota Supra Turbo
Engine: 7M-GTE
Transmission: R154
Axle/Gears: 3.91 LSD
Correct assumption.
Dexron III is just an improved versoin of Dexron III
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Old Apr 9, 2005 | 06:56 PM
  #3  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
In 1988 there was no such thing as Dexron III as there also was no more Dexron (I) at the time. The number is the upgrade. III is the current standard until a demand for an upgrade to Dexron IV. That's why you can't find Dexron II any more. All higher grades are backward compatible for older vehicles.

It doesn't matter how you pronouce it but there is no T in Dexron.
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Old Apr 9, 2005 | 09:43 PM
  #4  
Crusin' 1980's's Avatar
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From: Upstate New York
Car: 1988 SC Camaro
Engine: 305 TBI
Transmission: 700-R4
thanks for the clarification
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