| Hal | -- 11-11-2011 @ 8:53 AM |
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Guys, I have a 37-51 truck tranny without the top plate, and shifter. Would a 36 top plate and shifter work? If not what else would work? Hal
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| alanwoodieman | -- 11-11-2011 @ 10:39 AM |
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3 spd or 4 speed? Look at the rear of a 3 speed case and look to see if it has a 78-xxxx part number, also FYI Vanpelt Sales has excellent pages on the transmission and what fits what and he also has a build book
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| Hal | -- 11-11-2011 @ 11:05 AM |
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thanks Alan Sorry, its a 3 speed. I'll look for a 78-# Hal
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| JM | -- 11-11-2011 @ 2:20 PM |
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Hal, the top you will need depends upon which gears are in that 3spd transmission. Assuming it is actually a stock '37-'51 commercial duty or 1/2 ton pu transmission, a '36-early '39 passenger car or light commercial duty shift top with narrow second / third gear shift fork is what you will need if it has the early gears ('36-early '39). You would need a later wide fork (mid-late '39 to '51 pu) shift top if it has the later gears with the additional brass synchronizer gears. Hopefully this makes some sense to you. If you go to Mac VanPelts website or had access to a copy of his transmission book, this might become a lot clearer to you. JM
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| fortyfordguy | -- 11-12-2011 @ 5:20 AM |
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The 1936-38 shifter tower (#68-7222 on the casting) will fit and operate the 1936 and later toploader gears.....provided you have the correct 2nd/high shifter fork in place for the synchro you are using. The difference between the 68- tower and the 81A- tower is essentially the double detent design versus the single detent. Both will operate the same but you have a better/safer interlock design with the 81A tower. Any 1936-52 (car or pickup truck) three speed lever will work with either tower. The double detent towers are generally more expensive to purchase on the open market, but don't let that stop you from using either style. The main thing is the use of the correct 2nd/high shifter fork for the gearset being used. The 68- fork is about 2-7/8" between the tips and goes with the older synchro with the groove in the middle. The 91A- fork is 3" between the tips and goes with the 1939-52 type synchro with the fork groove toward the rear. We have the 3" correct shifter forks in stock if you need one for your 68- tower. We also have some extra 81A-7222 double detent towers available.... Mac VP www.flatheadv8.com
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| Hal | -- 11-12-2011 @ 7:03 PM |
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thanks JM I will check out everything to mentioned Hal
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| Hal | -- 11-12-2011 @ 7:08 PM |
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thanks to you also FORTYFORDGUY Will ck. everything out,hopefully I'll get it going. Hal
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