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earl87gta · 05-07-2007, 03:13 PM

If you change to a 700r4 with an over drive you will get better fuel milage it would be the easyest swap for an over drive. check out 700r4.com or botieoverdrives.com

05-07-2007, 03:13 PM	#4
earl87gta Senior Member Join Date: Dec 2003 Location: Kingsport TN Posts: 4,641	Re: 3 speed to 4 speed... If you change to a 700r4 with an over drive you will get better fuel milage it would be the easyest swap for an over drive. check out 700r4.com or botieoverdrives.com __________________ Earl 68 2500 4x4 GMC Burb