improving gas mileage

[mwood1985]

ok silly question i know but im gonna ask it anyhow. ive got a 86 k5 with a stock 350 other than a 1405 edelbrock 600, 8 inch lift 4.56 gears and 36s with a 4 speed manual. she wants to cruise at 50-55 and burns a hell of alot more gas when i have to go to highway speeds ie 65mph+. any ideas on getting a little better miles per gallon? maybe change gears or go to a taller tire? its not a money issue its more of i get tired or having to go to the gas station when im driving from marietta ga to rockmart. seems like its burning 50 bucks every 125 miles lol

 

[RIPPEDK5]

Well you have to do the math.. Too be honest I think you have too much gear for the tire.

Long ago I was running a 305, th350, np208 3.08's and 33's and I was getting 16 mpg daily.

What are you getting. I thing if your doing highway, you should have more of a 4.10 personally (i know guys will disagree, but i personally think everyone over gears)

you could go with a taller tire, but it may be a moot point,

i would either tune up your 350, change your driving style (no jack rabbit starts and early shifting, keeping revs low)

around town--smaller tire and lower speeds

highway keep current tire and bring the gearing down to around 4.10

again im sure people will disagree with me, but i drive hills and highways everyday so fuel mileage was important..lift height doesnt help either (started with moving a brick through the air, lifted now your moving a house)