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Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272240
Thu Jul 12 2018 02:30 PM
Thu Jul 12 2018 02:30 PM
J
JW51  Offline
Shop Shark
Joined: Jan 2014
Posts: 1,252
Missouri
I don’t think the change in oil had anything to do with anything, other than perhaps fixing your drips.

Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272257
Thu Jul 12 2018 05:15 PM
Thu Jul 12 2018 05:15 PM
M
moparguy  Offline
Shop Shark
Joined: Sep 2013
Posts: 439
Watford City ND...
I agree with JW.


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1951 Farmall Super A



Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272259
Thu Jul 12 2018 05:18 PM
Thu Jul 12 2018 05:18 PM
Justhorsenround  Online
Grease Monkey
Joined: Apr 2005
Posts: 4,718
Central, Oklahoma
Any fuel mileage increase or decrease would be minimal when changing from synthetic oil to petroleum based oil. 🛠


Martin
'62 Chevy C-10 Stepside Shortbed
'47 Chevy 3100 5 Window (long term project)


"I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line" and lock up those on the wrong side of that line.

Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272270
Thu Jul 12 2018 07:07 PM
Thu Jul 12 2018 07:07 PM
W
WE b OLD  Offline OP
Master Gabster
Joined: Feb 2001
Posts: 6,316
marion, in. usa
One can only hope but I was almost sure that was not the reason because it was done about the same time I had to ask. Now I can fuss about something else, how about improving the ride. May go to Ft, Wayne next week to a spring shop. grin

Last edited by WE b OLD; Thu Jul 12 2018 07:09 PM.

Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2015 GMC terrain.
Pix on Photobucket
Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272287
Fri Jul 13 2018 12:28 AM
Fri Jul 13 2018 12:28 AM
5
52Carl  Offline
Master Gabster
Joined: Mar 2010
Posts: 5,813
Virginia
You have sooty fouled plugs. The only thing which causes that is over rich condition coming from the carburetor/carburetors.
Just so that I don't leave a stupid question unasked, why are you avoiding addressing your carburetion issue? It has been brought up numerous times in this, and many other threads you have created about your fuel mileage woes.
Respectfully,
Carl

Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272317
Fri Jul 13 2018 12:08 PM
Fri Jul 13 2018 12:08 PM
W
WE b OLD  Offline OP
Master Gabster
Joined: Feb 2001
Posts: 6,316
marion, in. usa
I have addressed the carbs, they have both been cleaned and adjusted, The rear one was dirty and the power valve was stuck and the front one was cleaned and adjusted also. Until I go on a long interstate run will I truly know I have found the problem? I am planning on going to the Vintage Truck Magazine show in Ohio at the end of the month maybe that will tell me that we have addressed the problem. It was the first thing I did but I had not removed the plugs until this week and mentioned they were dirty.


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2015 GMC terrain.
Pix on Photobucket
Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272323
Fri Jul 13 2018 12:43 PM
Fri Jul 13 2018 12:43 PM
H
Hotrod Lincoln  Online
Boltergeist
Joined: Feb 2004
Posts: 16,757
Dellrose, TN
Unless you've got a pretty sophisticated exhaust gas analyzer, spark plugs are the one and only indicator of fuel mixture and combustion efficiency. I used to carry at least three sets of plugs to the race track every week so we could tweak the mixture to accommodate different atmospheric conditions on a particular race day. Plugs don't really "wear out"- - - -they just get dirty. I used a piece of aluminum plate threaded for a set of plugs and cleaned them with a bead blaster once a week, and the same three sets of plugs would last most of a season. Just be sure and use plenty of compressed air to get the glass bead residue out of all the nooks and crannies!
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272329
Fri Jul 13 2018 01:34 PM
Fri Jul 13 2018 01:34 PM
J
JW51  Offline
Shop Shark
Joined: Jan 2014
Posts: 1,252
Missouri
I’m still confused. Did the carb work take place before this thread or during this thread?

Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272335
Fri Jul 13 2018 01:59 PM
Fri Jul 13 2018 01:59 PM
Justhorsenround  Online
Grease Monkey
Joined: Apr 2005
Posts: 4,718
Central, Oklahoma
Me too? Did you change plugs at the same time as the carb work was done or drive it until starting this thread? If you didn’t immediately change the plugs then what you took photos of don’t represent what’s really happening. My head hurts.
dang


Martin
'62 Chevy C-10 Stepside Shortbed
'47 Chevy 3100 5 Window (long term project)


"I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line" and lock up those on the wrong side of that line.

Re: Still trying to sort out the reason for the gas mileage drop. [Re: WE b OLD] #1272347
Fri Jul 13 2018 03:15 PM
Fri Jul 13 2018 03:15 PM
W
WE b OLD  Offline OP
Master Gabster
Joined: Feb 2001
Posts: 6,316
marion, in. usa
You have try and keep up Martin, I know it is difficult for men our age. wink grin The plugs were the last thought to check by me. My thoughts don't go in a straight line it jogs here and there but I usually get there.


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2015 GMC terrain.
Pix on Photobucket
Page 5 of 6 1 2 3 4 5 6

Moderated by  53moneypit, Woogeroo 

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