Wonder what a GearVendors OD would do to MPG ? - Page 2 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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Old 03-03-2008, 05:06 PM
lwlasowicz lwlasowicz is offline
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2003 Chevy TrailBlazer LT EXT
Summit White 4.2L I6 4X4
Join Date: Sep 2007
Location: Rochester NY
Posts: 17
Putting larger diameter tire will knock down your gear ratio in a different way
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Old 04-26-2013, 07:01 PM
Pittdawg Pittdawg is offline
2008 GMC Envoy SLE
Carbon Black Metallic 4.2L I6 2WD
Join Date: Sep 2011
Location: Los Angeles
Posts: 142
Originally Posted by SlvrTBSS View Post
Yes you are correct about the timing issue. I know for a fact that you could rig the electrial switch to shift the OD on and off by itself after each shift. This is something I was looking at doing for my 67 Camaro w. a TH400. Obviously a lot simpler with the TH400, but it is possible with the 4L70...
It's asinine that GV doesn't rig OD themselves to be controlled electronically. For that price why wouldn't they?
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