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Old 04-26-2014, 06:40 PM
stephen p stephen p is offline
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Join Date: Apr 2014
Location: memphis, tn
Posts: 9
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Quote:
Originally Posted by David Jones View Post
The TKO has an OD. With a 3.08 you'll use OD at about 70.
oh, sorry i misunderstood. yes, if i got to an OD transmission, i'll probably go with a 3.42 gear out back.

Quote:
Originally Posted by scld1354 View Post
If you're looking at Ford Tremecs, make sure you're looking at the TKO500 (or TKO600) and NOT the 3550. Externally, the look very similar. The 3550 will have a 10 spline input and 28 spline output. The TKO's have the 26 input and 31 output.

Im finding conflicting info, but it looks like the 3550 was upgraded at some point to the TKOs input/output shafts. Either way, it's east to tell the difference...
oh, ok cool. i thought a tko500 was just a renamed 3550. i knew the 500, and 600's had 26 spline inputs.