yet another MPG thread
 

What mileage do you get in your:

straight 6?

350?

383?

454?

Re: yet another MPG thread
 

350 bored .30 over, rv cam, stock carb /w/ 1972 jets (5%more fuel)...fuel cooler(ice can) <b>11ish mpg</b>

Re: yet another MPG thread
 

mpg any one?????

Re: yet another MPG thread
 

Almost the same setup as me, minus the over bore, stock 75 jetting, no fuel cooler, have 1.5" longtube headers and glasspacks, I get around 12mpg on average.

Re: yet another MPG thread
 

454 long tube headers besides that its stock about 10mpg

Re: yet another MPG thread
 

250hp crate 350 with long tube headers.
sm465 with np205
3.73 gears

other things are a flatbed (not sure if it helps or hurts) and 35x12.5 inch mud terrains... I get approximately 10mpg with my foot in it 80% of the time... generally 65mph+

Re: yet another MPG thread
 

Where's the 305? Seriously everyone hates that engine that much?

Re: yet another MPG thread
 

Mine's a toy, I don't give a damn what the mpg is.

Re: yet another MPG thread
 

wow, not bad.... hp/torque numbers????
well flat bed should help, u got a stick so u can coast and guage shift points better than we can /w/ our 3 speeds.... nice and thanks for the imput... just another inspiritation to convert to stick!!!!

haha honestly, i forgot about the 305, they were the least sold motor of its time out here n cali when every one was hauling hay at day and disco by night..... i left out the 327 as well.... no meaness intended!!! :D i wish i could edit polls

Re: yet another MPG thread
 

mine is a stock 454 and it gets 10

Re: yet another MPG thread
 

bone stock 350 w/K&N air filter rollin on 31's, was gettin 14 mpg through the winter but the carb needs a rebuild and doesn't do good in the summer heat so now im down to 12.

Re: yet another MPG thread
 

I get about 5 to 7 in town with a 350 but that's all in town driving with stop in go traffic and a few jack rabbit starts

Re: yet another MPG thread
 

WOAH!! humidity is killn ya!

Re: yet another MPG thread
 

my last truck wasnt any better it got 13 city 15 highway it was a 305 2bbl th350
my new truck gets 8 city 11 highway

Re: yet another MPG thread
 

my rear end ratio isnt great for the transmission and tires and my motor doesnt have enough torque to pull 3rd (top gear) super strong... when i shift (depending at what rpm i shift) it drops to 1200-1600rpm. and its reletively slow till it hits the 2k mark and then it pulls really strong... i know the 3.73's are helping my mileage though cause when im doing like 75 its only at 2500rpm and 2100rpm when im doing 60-65.... I did the conversion and i wouldnt consider it a weekend transmission swap... its kinda in depth but only barely...

Re: yet another MPG thread
 

454 turbo 400 373, 5ish..... (hard for me to keep my foot out of it ;) )

Re: yet another MPG thread
 

350 TH350 3:08s...8MPG. But Im 17 and sling the truck sideways at every turn.

Re: yet another MPG thread
 

'87 4x4 w/tbi 350. Motor only has about 200 miles on it, but so far I'm getting about 14 mpg. I have no idea what my gear ratio is. PO damaged RPO sheet in glove box. So far, I'm pretty content.

My '86 cc 454 got 5 mpg towing our new trailer back from K.C. 2 summers ago when gas was $4.00 a gallon. That was fun.

Re: yet another MPG thread
 

have to agree with this post mine gets about that

Re: yet another MPG thread
 

Stock 454 with long tube headers and dual cats/exhaust - 10 mpg, no matter what.

Re: yet another MPG thread
 

my d/d is a stock 454 and I don't care about mpg .

Re: yet another MPG thread
 

364 6.0l getting 18 to 20mpg

Re: yet another MPG thread
 

My 77 has a GM Ramjet 350 that rated at 350 hp and 400 TQ. I am currently running 3.08 gears with a 700r4. How does it do on MPG? I have no idea, but I can tell you it puts a smile on my face every time I drive it. So I guess mine is getting at least 50 SPG (smile per gallon)....:burnout:

Re: yet another MPG thread
 

450hp/450tq 383ci with muncie 4spd, 3.42's and 28" tires and I average 14-15mpg mixed driving. I'll get 17 on a highway trip if I stay under 70mph. Someday I'll put a tko500 in it and start knocking down 20mpg. ;)

Re: yet another MPG thread
 

Original 350ci 400trans 3.73 gears 5000# 78 c20. I get 15mpg avaerage. **I get BETTER mileage (about 2MPG) on the freeway with the windows UP and the AC on then riding with the windows down... might be something to try for all the NON-OD people.