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KENN
04-04-2017, 11:09 PM
What Is The Disk Size And Pilot Hole Size On A Baby Bird Clutch? is It 11 Inch 10 Spline 1 Inch Pilot Hole? Where Can I Get A Complete Set/ Kit?..thanks Kenn

Wade
04-05-2017, 09:53 AM
You are right with 11 inch 10 spline disc. The Ford parts book shows pilot bearings, a #70-7600-B 1.575"/1.576" O.D.-.6715"/.6725" I.D -
.495"/.505" thick and a #B-7600-A 1.5743"/1.5748" O.D. = .6689"/.6693" I.D. - .4674"/.4724" thick , for yrs. 49-57 cars and Tbirds.

KENN
04-05-2017, 10:23 AM
Does It Say Anything About The Size Of Input Shaft? Where The Spline Shaft Goes Into The Disk? Thanks Kenn

Wade
04-05-2017, 10:43 AM
No, I looked up the input shaft and it did not give that dimension. I want to say that it is 1 inch but there are too many cobwebs in my head to swear to it. I do have a transmission in my garage, I will go out and measure it in awhile if I can find my calipers (cobwebs again).

Wade
04-05-2017, 03:14 PM
It is 1 inch .

KENN
04-05-2017, 06:39 PM
Thanks Wade For Your Help. So Far All Im Finding Is 1 1/8 Inch. Do You Know A Supplier For The Plate, Disk And Bearing? Kenn

Wade
04-05-2017, 08:17 PM
I measured 1 inch for the input shaft itself I don't have a clutch disc to measure the actual hole. I checked CASCO Thunderbird parts catalog and they show that they carry the disc, pressure plate, pilot and throw out bearing. They sell only 55-57 Tbird parts so what they have should fit. There are quite a few Tbird parts suppliers out there I would guess that most of them have the clutch parts you need.