Classic Mustangs (Tech)Technical discussions about the Mustangs of yester-year.
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Hello! I have a 66 3 speed and I'd like to swap it out for a 4 speed. I don't want to monkey around with a hydraulic clutch or a cable. I want a simple afternoon swap with no fabrication. What years of transmissions will work for me? Are ALL of the Ford 5 speeds cable or hydraulic? Thanks for any help.....
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If you are looking for a 4-speed NOTHING beets a toploader they are damb near indestructible, few people know this but Ford sold the design of the toploader to Tremec who subsequently added a 5th gear and rail type shifter linkage and the 3550 and TKO series was born. That should give you an idea of how solid the design is. I cant remember but to upgrade from a 3 to a 4 you may need a different bellhousing clutch and flywheel, and if so you might as well go with the T5. If you want to go with a T5 and retain the stock linkage it can be done. You use a 1" block under the original type clutch fork, on a T5 bellhousing, works very well. Another option is to gat an adaptor plate that goes between the original type bellhousing and the T5. They are normally about $180 for the adaptor, but I have one I can sell you for less if you are interested. IMHO the only reason to "upgrade" to a 4-speed is because you cannot find/afford a 5-speed. I have lots more info on the T5 swap if you need it.
__________________ If it aint broke..... modify it anyway!!!!
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Unless you just like to shift gears or say you have a four speed, low and high gears are the same. If you are going to change, might as well get the OD. You won't be happy with 3:00 rearend gears with the OD!
Red 66 coupe 302
66 fastback 5.0 modified
73 EB- under construction
A 3 and 4 speed manual are interchangeable, everything is the same except the shifter. Driveshaft, clutch, bellhousing can all be used. I went with a hydraulic cuz I just got freakin tired of fighting the adjuster on the end of the z-bar with the headers right there. Now my clutch is set once when installed and adjusts itself.
Who cares how much horsepower it has, all that matters is how fast it goes!
Untested 331, lots of suspension, chewing up corners.
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