Thread: overdrive cable
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Old 09-10-2010, 05:12 AM   #15
raycow
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Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
Re: overdrive cable

The transmission with the 4 bolt side cover is non-synchro 1st. The 7 bolt is synchro. With OD you don't really need the synchro 1st because it freewheels below the OD cut-in speed (about 25-30 mph). You can shift into 1st while you are moving and it doesn't grind.

Ray
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