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Original Message
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| RE: Need info- 5 speed truck trans behind FE block |
| By Bill in Michigan - 08/22/2002 8:40:50 AM; IP 136.1.1.154 |
There is another option that uses "Ford" Parts.
Ford offered a Clark 265 5-speed overdrive in the late 60's early 70's medium duty F500-750 trucks behind the FT powertrains. It is a fairly beefy (heavy) trans and was offered with a .78 overdrive gear. I have retro-fitted these into a 1964 F250 4x4 and a 1966 F350 4x4. (Note: These vehicles use the same "tri-pod" engine/transmission mounting system as the medium duty trucks which minimizes the "customization" required.)
Items to consider when mounting into a early 70's Ford truck:
1. Clark transmission was equipped with an 1-1/8" coarse spline input shaft. A compatible 10-1/2" clutch will be required. (Easily obtained a good clutch shop.)
Also needed will be a FT throw-out bearing and a FT pilot bearing.
2. An FT bellhousing, inspection cover & clutch fork, etc. will be required. An FE spacer plate will be needed.
3. The FT uses a larger diameter flywheel than a FE which positions the starter motor further away from the crank centerline. The FT bellhousing will need to be re-drilled and tapped to position the starter motor in the FE location. (Easily done using the FE spacer plate as a template.)
4. The tailshaft of the Clark (as equipped in Ford 60's Ford trucks) does not have a provision for a transmission mount. Customization will be required. Possibly welding on a mounting boss?
5. The worst part of the conversion was lifting the trans in place. It is all cast iron and HEAVY! Good luck. |
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