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By sc63uni - 15 Years Ago
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hey guys Im putting my 63 292 back together and would like to put in a syncronized 3 spd back in . had a t85 thats needs a rebuild but would like to know the easiest swap. what can i expect to have to modify? thanks
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By lowrider - 15 Years Ago
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I don't know all the particulars about doing the swap but I did run across a one done in a 57 Ford Custom 300. The guy changed the T85 for a toploader 3sp. He said it was mostly a bolt in conversion, but I'm sure there were some things that just didn't bolt right up.
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By 314 - 15 Years Ago
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top loader 3 speeds are common and will bolt up.you have to modify the clutch fork.the truck has a hugh imput shaft and throw out bearing.the throw out bearing you will be using will not fit the truck fork.and of course you will have to change your clutch.
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By unibodyboy - 15 Years Ago
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I had a T98 in my pickup, is that what you are referring to as far as original 4 spd, with compounded 1st?
Switched to a T5, worth every penny. I would suggest that at all costs.
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By sc63uni - 15 Years Ago
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thanks for the input.what I have is a 3 spd and dont think I want to change shifter and all that is involved to switch to a t5. found a tranny from a 67 f 100. seems to be the correct trans for the change. i'm finding the sync 3spd to have a smaller input shaft (1-1/16) compared to the 1-3/8 of the original. the clutche kits available locally for the smaller shaft are 11" not 12" so I'll need to have the flywheel drilled to match the pressure plate, i think . my flywheel looks fine so no need to replace. output seems easier. just modify mount and change yoke , shorten shaft. Is this correct? am I missing anything? thanks
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By charliemccraney - 15 Years Ago
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If I were going to swap from a 3 spd to a 3spd, I'd do it only with something that will be a 100% direct replacement. Otherwise, it really is not worth the work. Everything you mentioned may have to be done. You're really only a few steps short of installing a 5 speed - you may find that you have to do all of the steps - and then after all that work you only have a 3 speed.
There must be a fully synchronized 3 speed that is a direct swap. I never ground any gears with my 3 speed, so I guess it was.
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By sc63uni - 15 Years Ago
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Hmmmn. Does anyone know of a fully sync 3 spd with a large 10 spline in the front? I believe that was an option in 63. really dont want to put shifter in floor but do want the most for my buck/time. thanks
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By unibodyboy - 15 Years Ago
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Would you consider a T98 4spd with compound low?
I've got one that was completely gone through that I would make you a hell of a deal on.
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By John Mummert - 15 Years Ago
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I think you'll find that the input shaft of any Ford transmission made after 64 is too short to work with a Y-Block TRUCK bellhousing. The only exception is the T-5. The Y-Block truck bells are deeper than a car bell. You can't use a T-10, Toploader 4 spd or any 65 later truck trans in a Y-Block truck. The input shaft will barely reach the pilot bearing. I have had special flywheels made to make this work but they're too expensive for a 3spd to 3 spd conversion. Unless there was an optional all sychro 3spd available and you can find one this will be a difficult swap.
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By pegleg - 15 Years Ago
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lowrider (9/29/2010)
I don't know all the particulars about doing the swap but I did run across a one done in a 57 Ford Custom 300. The guy changed the T85 for a toploader 3sp. He said it was mostly a bolt in conversion, but I'm sure there were some things that just didn't bolt right up. I have done this. The front bearing housing is bigger on the toploader three speed, the clutch plate will need to be changed to a 1 1/16"-10 and the depending on which box you find, the driveshaft will need to be shortened.
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