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#1414039 06/16/2021 2:27 AM
Joined: Apr 2008
Posts: 127
J
'Bolter
'Bolter
J Offline
Joined: Apr 2008
Posts: 127
Did the original 3 speed transmission have synchros. Also what is the designation of that transmission. Thanks for any help.


Jetmech6868@AOL.com
Joined: Apr 2005
Posts: 2,066
R
'Bolter
'Bolter
R Offline
Joined: Apr 2005
Posts: 2,066
Second and third gears were synchronized in that series transmission. It is known as an SM318 which was also the designation for the later open driveline unit. Most parts don't interchange with the later version, however.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
Joined: Mar 2014
Posts: 4,209
J
Moderator, Electrical Bay
Moderator, Electrical Bay
J Offline
Joined: Mar 2014
Posts: 4,209
And if you have a pickup in which the prior owner routinely used 1st gear as a downhill brake, that gear will be worn very oddly...making it howl loudly all the time and jump out of gear on acceleration. Good luck!


~ Jon
1952 1/2 ton with 1959 235 | T5 with 3.07 rear end

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