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Posted by Doc Dave [69.19.14.20] on Sunday, March 20, 2011 at 07:44:16 :
In Reply to: Re: overdrive vs 4.89 gears? posted by RYANnj [68.63.169.217] on Sunday, March 20, 2011 at 00:37:53 :
The overdrive is activated with a switch mounted on the shifter, just under the knob. IT powers a solenoid at the overdrive that turns it on and off. I flip the switch when I get to around 2200 rpm in 4th.
One other thing, with the overdrive you get gear splits. For example going up a slight hill in 4th is difficult in 4th gear with a stock engine. I can flip the over drive on in third gear, and it works well.
Do a search on Phil's archives at the top of the page. Type in Dennan overdrive. There is a lot about it there.