early or late C4

  • Thread starter Thread starter Anonymous
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Anonymous

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Is there an easy way to tell if a C4 is early or late? (I seem to remember something about number of oil pan bolts?) Also what years would be considered "early"?
 
Oil pan bolts are all the same.

Look for a "build tag" on the servo cover, that'll solve all questions.

There are many filter designs. Sometimes you can get close by comparing filter shapes.

What year are you looking for? There are 24 and 26 spline input shafts. If your torque converter has to match your engine, make sure you get a trans with the correct input shaft.
 
Three valve body styles : The 64-66 "green dot", the 67-69 and 70-up.

The major change is the spline count from 24 to 26 in 1969.
 
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