> What is your MPG ?

[GRX]

Gas! ... How many miles per gallon do you get with your classic truck?

List truck type and drive train if you please

[68corvair]

71 cheyenne lwb 290 hp crate 350, edelbrock 1407, 700r4, 3.73 rear.
Daily driver, local it gets 17mpg, will get 20 highway, if i keep my foot out of it.

Ed in S.C.

[Secret Squirrel]

The reason I am happy when I drive my classics is because I never calculate MPG. I do however get about 25 smiles per gallon

[big bad orange]

72 c10 long bed
original 350 th350 with I THINK 3.08 rear end gears
mpg... not enough
It some where between 10-15 since I just found out my fuel gauge is off

[AusTx68]

Originally Posted by 68corvair

71 cheyenne lwb 290 hp crate 350, edelbrock 1407, 700r4, 3.73 rear.
Daily driver, local it gets 17mpg, will get 20 highway, if i keep my foot out of it.

Ed in S.C.

Wow, that's great mpg! I have a 400hp 383, Holley 670 Street Avenger, 700r4, 4:11 gears. I get around 12 mpg.

[GRX]

Thanks for the responses so far. Just curious what others are getting.

As for me, I get about 8-10 mpg around town. c10 long bed step side, 250 engine, 1bbl carb. Not stellar mileage, but it runs great and I do get plenty of smiles per gallon.

[southern parts]

70 longhorn, 402 ,sm 465 4 spd, dana 60 3.54 gear. 235/85/16 tires, 13.5 mpg

[Secret Squirrel]

People rag on me all the time for driving these old gas guzzlers, and that is always my answer. Taking the kids with you increases the smiles per gallon 10 fold.

[Sideways]

Originally Posted by Secret Squirrel

People rag on me all the time for driving these old gas guzzlers, and that is always my answer. Taking the kids with you increases the smiles per gallon 10 fold.

You said it,it really is about the "smiles" per gallon.

[big_al_71]

71 swab fully built 406. 373 gears with a th350 10mpg tops
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[big_al_71]

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[Sideways]

Last camping trip in my '72 Sierra Grande 3/4 ton with the original 350/350 combo with a few mods and a 4.10 rear we got almost 17 mpg with 2000lbs. of camper and gear.I thought the gauge was broken until I topped up the tank.
Before you get to excited,don't forget our gallon is bigger.

[GRX]

Originally Posted by Sideways

Last camping trip in my '72 Sierra Grande 3/4 ton with the original 350/350 combo with a few mods and a 4.10 rear we got almost 17 mpg with 2000lbs. of camper and gear.I thought the gauge was broken until I topped up the tank.
Before you get to excited,don't forget our gallon is bigger.

That is pretty good. 17 imperial gallons converts to 20.4 US gallons.

[Sideways]

Originally Posted by GRX

That is pretty good. 17 imperial gallons converts to 20.4 US gallons.

I think 17 miles to the imperial is more like 13.5 to the US gal,I wish it was 20+

[GRX]

So far my mileage sucks compered to everyone else.

[Stocker]

'72 K20, mild 350, TH350 trans, 4.10s, 32" tires.

Kept track many years ago on a 3000+ mile trip, averaged 11 mpg.

Totaled up a winter's worth of one-mile trips to work & back a few years ago. Had to warm it up before driving, and it was still running on partial choke. Calculated 2 mpg. Yup, you read that right, two.

[67ChevyRedneck]

I've calculated a lot of tanks. 350/700R/3.73 edelbrock 650.

11-12mpg "average" around town. I use OD probably 25% of the time, but I also hammer it a lot.

On the highway around 16mpg. If I slow up to 55-60 (which is really hard) I've squeezed out 17.5 It's way more fun cruising at 70-75 though...

My 65 mustang has a 289/C4/2.8 and stock 2 barrel and it gets about 15-16mpg no matter what I do (city/highway, etc).

[trac209]

I get about 10 mpg on the highway at 55 mph with a mild built 350 3 spd auto with 373 and a 2800 stall. This is also figuring for the bigger canadian gallon. so my mph sucks.
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[71K20chevy]

I think we figured 12-13 mpg BEFORE carb rebuild, so it could most likely be more.

Got a stock 350 with Q-Jet, TH350, 4:09 gears.

[sir_talk_alot]

i really dont want to know what my truck will get with the bigblock im fixing to build. just a mild built 454, punched to a 468 dome pistons, mild cam. id imagine it wont be good. especially with the medical condition where my foot twitches down rapidly.

[Billett]

68 lwb, stock 350, edelbrock 1406, np435, can't tell you the rear gears, 275/60/15 tires. Most of my miles are highway at about 60mph because of the 4 spd and last fill up was 11.5 mpg. The speedo is off though so I don't know if that affects the odometer or not. Also, I tuned my carb a bit rich a while back and haven't cut it back yet. Might gain me an mpg or so if I find the sweet spot, but haven't really messed with it much.

[odog]

1969 chevy long bed, 3/4 ton 4x4 sm420 with 221 tcase 4:10 gears, original 327 out of 67 chevy way over 200000 miles, 10 mpg with or without 2 cords of wood on, highway or town. Nothing seems to change it. Wish I could get better.

[chevelle]

1967 longed with a 355, 90's truck throttle body fuel injection and a 700r4. Daily driver. When I first installed the new engine it was getting about 21-22 on the highway. I haven't checked it lately though.
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[BlackedOut67shorty]

I have a 350/350 combo, mostly stock except intake and headers with a 600 carter. 373 gears and i prolly get about 13 mpg highway, dont even wanna know about city :/ i wish i had a 700 r4 since most my driving is over 55

[Street Smart]

I tell people i get 100% fuel comsumption, it uses everthing i put in!
My panel has an old 5.0, Tuned port motor w/700r4, highway its great 17-18 mpg, city-12 mpg.
My Suburban`s old set up had a carbed 350 w/7004r, it was about 14-15 highway, 10 local. The 6.2 in there now is great on the highway! I seen a major improvement, not sure exactly, (speedo/odmeter not hooked up) but on my usual trips It uses A LOT less to fill it. BUT, if you "beat it up", OMG the gas gauge drops.
I just did a 300 mile road trip with a buddy in his 2012 Denali AWD, it was showing his overall average at 9 mpg. On our trip, all highway it was showing 14 mpg.