Technical Why Is My MPG So Low?

Thanks for telling us it’s a Ford-o-Matic. Up thru 57 they all started out in 2nd gear when you place it in drive.

You can start out in “L” then shift it to “Dr” at about 15-20 mph and it will perform much better. That’s kind of pita but it does help and you don’t need to press on the throttle as much.

Many wanting to keep and automatic with either a Stock flathead or early Y-Block change to a Ford C4 which you can buy an adapter to use. With a trans and adapter you’re looking over $2K plus labor.

 

My own 28a gets about 10 mpg,w 292 y-block n 4x2 @ 1800lbs w me n gas Likely most mpg lost is me goosing it,just to hear it.

 

Ehhh...he's pout'in.
Looks like Y'ALL hurt somebody elses feel'ins AGAIN !!!
Theses young kids are so tender-hearted the least little ribb'in and .....they history !!
I was gonna say check for a vacuum leak around the carb.
(not because that MIGHT be the issue but...I just like to spell vacUUm ! Only double UU word I can think of)

Yeah...he's gone
6sally6

 

Continuum.
There's good advice in this thread, in between the japes and hi-jinks. Sorry if the OP can't see it.

 

Some banter is par for the course.

No one suggested he check the jets, though I guess it ain’t a ‘55 Chevy two-door

cheers,
Harv

 

Humor app my ass.
Snide disrespectful remarks isn't humor. It's just snide and disrespectful. Seems to happen a lot from the same individuals. I'm tired of seeing it. If you can't help somebody, leave 'em alone.

 

"When applying sarcasm online, do so moderately and at your own risk."

 

And Today, radial tires help, something to think about with 50s cars back when bias ply narrow tires were all you could get.

I agree with responses, tune, valve adj, might be due.

 

I bought a parts car once-the lady kept records of her gas mileage including what the name of the station and what time of day it was, like 10:07 am. I thought that was kind of anal

 

my '49 coupe got 16 around town in stock form. with 4 bbl carb, edelbrock heads and 400jr, it dropped to 14. ford used to advertise overdrive cars as getting in the low 20s on the highway...

 

Ah hell, Ant knee's jab wudn't much. It's a traditional forum and not a lot of us are app happy. I got a jab the other day about my non Ford/Chevy/Mopar motor knowledge. Took it. It's a traditional forum and I grew up in the mu mu, after the the fifties - so I was ignorant.
Before the OP bailed I was going to say something about flatties starting out with really low compression and it's probably fallen off a bit. But, the trans issue is just as valid, as are the basic tune questions. Advance has a huge impact, both initial as well as mechanical. Other than a couple of little jabs, it was all good info.