The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

jbarron · 10-09-2018, 11:18 AM

The GV will lower your rpms, but not your mileage.

Cheapest solution is new gears. If yours is like mine it probably has 4:10s in it.

I would do a 4l80 instead of the 700 if you just want to change something. Still less than the GV.

10-09-2018, 11:18 AM	#4
jbarron Registered User Join Date: Apr 2006 Location: Spring, Texas Posts: 167	Re: 700r4 or TH400 with gear splitter? The GV will lower your rpms, but not your mileage. Cheapest solution is new gears. If yours is like mine it probably has 4:10s in it. I would do a 4l80 instead of the 700 if you just want to change something. Still less than the GV. __________________ '72 3/4 Cheyenne Super 402/TH400 Gear Vendors '72 3/4 Cheyenne Super 350/200R4 '50 1/2 Chevy 3 Window