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longbed67 · 11-05-2011, 12:06 PM

Same setup as above except this is what happens when you change to a 3.73 rear end! The lower rpm in 5th gear is the standard t5 the higher rpm 5th is the close ratio T5

11-05-2011, 12:06 PM	#26
longbed67 Registered User Join Date: Jun 2011 Location: Monroe, WI Posts: 1,415	Re: 250 i6 fuel economy w/o sacrificing HP Same setup as above except this is what happens when you change to a 3.73 rear end! The lower rpm in 5th gear is the standard t5 the higher rpm 5th is the close ratio T5 Attached Images __________________ *Adam* My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706