Transmission overload
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Transmission overload
Hey all, noob here... Does any one know if a thread exists on putting a five speed behind my stock 300 in my 66? Out any thoughts, suggestions, places I can find adaptors, well, you get the idea. I kinda need the old girl to go faster than 50-55 where I live and work. Thanks for the help!
Lead Gopher
Joined: Aug 2012
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From: Seattle
The 300 (4.9L after 1983) was around from 1965 to 1996 and Ford did put some 5-speed transmissions behind the later years. One is the ZF 5-speed. Using that as an example, there are a few challenges still such as the ZF uses a hydraulic clutch where your '66 would be all linkage based for the clutch mechanism. Depending on what trans you have in it now you might need to have the driveline shortened. And you'd probably have to come up with a method to drive the mechanical speedometer as the ZF probably used an electronic feed for the speedo.
The 300 is the same bellhousing bolt pattern as the Later Windsor line of engines (302, 351W, etc.). The 300 is 4th from the bottom in this list.
Later http://en.wikipedia.org/wiki/Ford_Windsor_engine V8 pattern
Note: this is commonly called the Ford Small-block V8 pattern, though it is used in some "big block"-sized V8's as well as some V6's and I6's.
The 300 is the same bellhousing bolt pattern as the Later Windsor line of engines (302, 351W, etc.). The 300 is 4th from the bottom in this list.
Later http://en.wikipedia.org/wiki/Ford_Windsor_engine V8 pattern
Note: this is commonly called the Ford Small-block V8 pattern, though it is used in some "big block"-sized V8's as well as some V6's and I6's.
- 200 I6 1978-1983 only, partial (4 of 6 bolts) pattern.
- 250 I6
- 255 V8
- 289 V8 - (made after August 3, 1964) - had 6 bolts holding bellhousing to block
- 302 Cleveland (Australia)
- 351 Cleveland V8 (not the 351 Cleveland M-block engine)
- 351 Boss
- 351 Cobra Jet
- 302 Windsor V8
- 351 Windsor V8
- 400 Cleveland M-block V8 aka 400FMX (certain 1973 casting numbers D1AE and D3AE, mated to the FMX transmission)
- 3.8/3.9/4.2http://en.wikipedia.org/wiki/Liter Canadian Essex 90° V6 (RWD only)
- 240 I6
- 300 I6
- 4.6L http://en.wikipedia.org/wiki/Ford_Modular_engine V8 (first two casting runs, numbers F1AE and F2VE)
- 5.0L V8
- 5.8L V8
Ford Parts Specialist
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From: Simi Valley, CA
Hey all, noob here... Does any one know if a thread exists on putting a five speed behind my stock 300 in my 66? Out any thoughts, suggestions, places I can find adaptors, well, you get the idea. I kinda need the old girl to go faster than 50-55 where I live and work. Thanks for the help!
Change the rear axle ratio (ring & pinion), one hell of a lot easier (and cheaper and less labor intensive) than swapping in a 5 speed from a truck that uses a hydraulic clutch.
Post the AXLE code, which is stamped on the Warranty Plate, located on the left door face below the latch.
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Thanks to both of you for the information. Why I didn't think to just change a rear end is beyond me. That will make a world of difference and, like you said, much cheaper and easier than a crazy trans swap... The trans and axle are listed as F and A9 respectively.
Ford Parts Specialist
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From: Simi Valley, CA
F = Warner T-18 4 Speed / A9 = Optional Dana 60.2 rear axle - 3.54-1 with Limited Slip. This and the 4.10-1 were the only ratios available for a Dana 60.2.
The problem is, you'll have to swap in a Ford 9" with at least a 3.25-1 ratio if you want to go faster.
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Could he use a 9" with 2.79 gear wth the granny gear 4 speed? Would it operate like a t5 with lowwer gear?
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From: nw pa
the overdrive trans is the way to go.
actually you'll want the m5od trans, it's what came in f150's, the zf was in 250's and 350's. it has an internal slave cylinder, and a master cylinder that will easily adapt to your existing clutch pedal. find a donor truck and get everything for the swap, probably won't cost much more than a rear end swap. iirc, the m5od overdrive is .80, so you'll still have the power advantages of the 3.54 gears, but the economy and higher speed provided by a 2.80 final drive ratio.
actually you'll want the m5od trans, it's what came in f150's, the zf was in 250's and 350's. it has an internal slave cylinder, and a master cylinder that will easily adapt to your existing clutch pedal. find a donor truck and get everything for the swap, probably won't cost much more than a rear end swap. iirc, the m5od overdrive is .80, so you'll still have the power advantages of the 3.54 gears, but the economy and higher speed provided by a 2.80 final drive ratio.
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