Does it matter that my TH400 trans and D20 Tcase both have a Speedo? I assume this is because the TH400 case is a 2wd case with the D20 adapter. Can I use either one? Which one? What do I do with other one? lol

Thanks.

Chevy - built like a ROCK.
Jeep - built to drive OVER rocks.

1997 TJ w/ 33's
1984 CJ7 V8 SOA w/35's or 39's
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