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What size are the bolts in the T56 transmisson mount?

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Old 02-28-2008, 07:21 PM
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Default What size are the bolts in the T56 transmisson mount?

I just made my crossmember, and used two M1.50 bolts that partially threaded in to hold it up but i know the are not the right thread. I also tried an M1.25 and various standard sizes. Any idea what size they are? The M1.50 came the closest but it's about as close as an M1.50 comes to threading into the crank (where the flywheel attaches) as i used them to stop the motor from spinning on my engine stand when removing the crank pulley. Could they be the same thread pattern as the flywheel bolts?
Old 02-28-2008, 08:26 PM
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M1.5 and 1.25 is the thread pitch. The diameter is probably M15 or so. Don't know if that helps at all.

edit: they are probably smaller like M10 or maybe even M8

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Old 02-28-2008, 08:43 PM
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It's M10 i believe the exact size as the transmission bolt, i was just wondering the thread pitch.
Old 02-28-2008, 08:53 PM
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well i believe the flywheel is m11x1.5, the pressure plate is m10x1.5, do you have either of these around?
Old 02-28-2008, 08:57 PM
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It's gotta be a flywheel bolt size and no i dont haha i have a pressure plate bolt and that didnt work fit about as good as the transmisison bolt. I dont supposed john deer sells M11 bolts do they? probably a dealer only thing.
Old 02-29-2008, 02:13 PM
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They are m10x1.5x?? I just purchased a bunch of bolts for my swap and I know for a fact that this is the size. Lee



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