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Old 06-15-2008, 07:15 PM   #9 (permalink)
Texascarnut
Geezer
 
Join Date: Jun 2008
Location: So. Central Texas
Posts: 71
The original fluid specified for early hydro-matics was Type A, which can still be purchased. However, all variations of Dexron and Mercon fluids are compatible with the original TYPE A. The variations have to do with additives to improve shifting characteristics. Just don't ever make the mistake of adding any Type F to any transmission having Dexron or Mercon anything in it (or visa-versa) unless you want a nasty foamy mess and a rebuild.
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