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

67ChevyRedneck · 03-13-2015, 07:08 PM

The majority of automatic trucks had a 3.08 rear, the majority of the 3 and 4 spds all came with 3.73 or 4.11 (mostly 3.73)... there's a chart somewhere... These trucks went 70 mph just fine when they were new.

03-13-2015, 07:08 PM	#10
67ChevyRedneck Hittin E-Z Street on Mud Tires Join Date: Nov 2004 Location: Greenville, SC Posts: 23,090	Re: rpms = speed The majority of automatic trucks had a 3.08 rear, the majority of the 3 and 4 spds all came with 3.73 or 4.11 (mostly 3.73)... there's a chart somewhere... These trucks went 70 mph just fine when they were new. __________________ Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride American Born, Country by the Grace of God 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications!