Ford Toploader, T-10 question
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Thread: Ford Toploader, T-10 question

  1. #1
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    Ford Toploader, T-10 question

    Do Toploaders and Ford T-10's have the same trans-to-bellhousing bolt pattern?

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  3. #2
    Senior Member Marks63PontiacGasser's Avatar
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    Cruizer. The Ford T-10s were used before the toploaders. Ford built their own trans because they were having breakage in the T-10s with their big gun motors and designed the toploader 4 speed (they already had the top loader three speed I believe) to address that problem. Plus get the trans money back in house. The ford bolt pattern was a narrow pattern that the Ford T-10s had and Ford used that same pattern when they first came out with the top loader. But for some reason Ford decided they needed more stability at that point and started a wider bolt pattern I think around 1965. If you do some research on the Ford toploaders you'll see dual bolt patterns, both narrow and wide, on most if not all toploaders but, I believe and I may not be correct, but I believe the Ford T-10 only had the narrow pattern. I also can't say, since I never really looked into it, if the ford bellhousings after the switch used both bolt patterns or if they just changed to the wide bolt pattern after late '64/'65??? If you have or use a Ford T-10 I'm sure you can find a bellhousing for the early bolt pattern. I just never looked into it so I can't say for sure, but they must be out there. Mark L
    It's not a period gasser but it is what I would have built had I been of age to back then.

    Yesterday I was so far behind that the guy in front of me was me!

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    Administrator 1946Austin's Avatar
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    I had a friend back in the 70's that had a beautiful Y block '57 Ford and dropped a Super T10 GM trans right in it. Bolt pattern was the same as his old 3 spd., but he had to run a different clutch to match the ST10 splines.

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    Senior Member Marks63PontiacGasser's Avatar
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    The GM and the Ford that I know of are not even close. So not sure how it all bolted together? Unless they shared transmissions at some time and some early Fords used the GM pattern. Anything is possible and you never know what could be. MArk L
    It's not a period gasser but it is what I would have built had I been of age to back then.

    Yesterday I was so far behind that the guy in front of me was me!

  6. #5
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    If you have or use a Ford T-10 I'm sure you can find a bellhousing for the early bolt pattern. I just never looked into it so I can't say for sure, but they must be out there.
    Maybe not.....I'm working with a 460, and a hard to find 429/460 bellhousing. The 385 series big blocks came out after Ford phased out the T-10, so if the pattern were different, I doubt they'd match. I don't have either a Toploader or T-10 yet, just in my search for a 4-speed, good used-but-working T-10's seems can be found cheaper than a Toploader in similar condition.

    I've got both a Chevy 383 stroker and a 454 along with a couple of Muncie M-21's , and have been sorely tempted to cross-breed my Falcon.

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    Adminstrator And Sheet Metal Junkie ProMetalShop's Avatar
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    Ah yes cross bread. sometimes that gets the project on the go ! ! Maybe a few years down the road ya can do the switch back after you've found acquired all the hard to find parts. Just don't cruise in to an all Ford show like I did many years ago with a 33 Ford coupe powered by a de-stroked 302 DZ motor...... how red was my face
    Thanks Steve
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    http://www.c10trucks.com/forums/

  8. #7
    Senior Member Marks63PontiacGasser's Avatar
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    Steve, how "destroked"? A DZ 302 already has a 3 inch stroke. How much shorter was it? By the way, the Z28 302s will always be my favorite small inch motor. Mark L
    It's not a period gasser but it is what I would have built had I been of age to back then.

    Yesterday I was so far behind that the guy in front of me was me!

  9. #8
    Adminstrator And Sheet Metal Junkie ProMetalShop's Avatar
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    Mark from what I remember it was a 277 cui a friend that has a speed shop use to run a Monza, with the same and when he would freshen I would get his " junk " which was my gold. If I have the numbers wrong correct me but again as I remember it was 302 Chevy destroked to 277. If I'm off it could be a 283 ....... But the cob webs are hard to see threw
    Thanks Steve
    ProMetalShop
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    http://www.c10trucks.com/forums/

  10. #9
    Adminstrator And Sheet Metal Junkie ProMetalShop's Avatar
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    Ya looking on the web I found another fellow saying the same thing that There all 3 inch. So now maybe the stroked part is not correct what would one do to get smaller cubes. Or would they be figuring smaller bore ? I do remember the 277 would it be a 265 like 10 over ?
    We should start a thread so we don't hijack Cruizer65's thread.

    Here's a good start : http://www.gasserhotrods.com/forum/s...=9722#post9722
    Last edited by ProMetalShop; 09-03-2012 at 12:47 PM.
    Thanks Steve
    ProMetalShop
    4431 Snydertown Road
    Danville PA.
    http://www.c10trucks.com/forums/

  11. #10
    Senior Member Judd's Avatar
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    Mark hit it pretty close. There are some shaft size differences on top loaders and the hole where the Pilot bearing retainer fits in the bell housing can be different from early narrow and late wide pattern top loaders. Ford t10's are weak not the super t10s some GM cars had but the top loader is real strong.

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