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C4 T case adapter ID

hunter1

Contributor
Jr. Member
Joined
Feb 2, 2013
Messages
391
Loc.
Maryville, Tn
What are the identifiers for a C4 to D20 adapter? Certain length, casting numbers? I have 2 different adapters of different flange to flange length.
 

Broncobowsher

Total hack
Joined
Jun 4, 2002
Messages
35,710
Only the one for a C4 will have the C4 trailhousing bolt pattern. Nothing else will bolt to the back of the transmission.
 
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