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10-06-2010, 02:14 PM
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#1 |
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Registered User
Join Date: Jan 2010
Location: columbus, ohio
Posts: 972
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How big is my gas tank?
I have an all stock 85' lwb, my gas gage isn't working right, and I'm wanting to keep track of my mileage before I run it out of gas. Also since I'm on the subject, I'm getting about 12 miles to the gallon with the old 305, is there much improvement there?
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10-06-2010, 02:20 PM
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#2 |
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Registered User
Join Date: Oct 2002
Location: Edmond, OK
Posts: 5,906
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Re: How big is my gas tank?
It will either be a 16 or a 20 gallon tank. As far as the MPG... I was only getting 16mpg out of my 87 GMC with a TBI 305 and 700R4 (Overdrive trans).
Per LMC the shortbed had the 16 gal and the longbed had the 20 gal. Though it has been awhile since I have looked at my 82 I believe it had dual 16 gal tanks and it was a longbed, I think my 87 GMC was the same way.
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Jon 1982 Chevy Silverado 350/th350.... RETIRED 1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231 .... Oklahoma Roll Call Last edited by Prerunner1982; 10-06-2010 at 02:24 PM. |
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10-06-2010, 02:23 PM
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#3 |
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Registered User
Join Date: Oct 2009
Location: Buhl, Idaho
Posts: 1,438
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Re: How big is my gas tank?
x2 on the tank options, but yea these things are not built for mileage, i would suggest a tune up spark plugs,wires,cap&rotor, oil change, air up all the tires, and most importantly your driving style has the most to do with it imo.
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86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11 1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020 67 GMC Stepside Straight six/3 on the tree "The Peach" 2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934 The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903 
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10-06-2010, 02:26 PM
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#4 |
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Getting Old; Going Broke
Join Date: Apr 2010
Location: Owasso OK
Posts: 2,764
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Re: How big is my gas tank?
14x42.25x11 is 16 gallon, 14x56x11 is 20 gallon. A 20 gallon tank on a LWB would go a lot closer to the rear wheel opening in the bedside. A 16 gallon on a LWB has a lot of room between the end of the tank and the wheel opening.
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Why is every used 350 sbc out of a corvette? There's only two things that excite a man, expensive toys and real expensive toys. VEGETARIAN: That's an old Indian word meaning "I don't hunt so good." When the going gets tough, switch to power tools. |
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10-06-2010, 02:26 PM
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#5 |
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Registered User
Join Date: Jan 2010
Location: columbus, ohio
Posts: 972
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Re: How big is my gas tank?
Looks like I'll be playing it sake and filling up every 150 miles. Mine has no overdrive, so I guess I'm just about right.
I really just need to get the gas gage fixed, I'm too lazy to have to keep track this way 
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10-06-2010, 02:29 PM
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#6 |
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Registered User
Join Date: Jan 2010
Location: columbus, ohio
Posts: 972
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Re: How big is my gas tank?
OK, now I need to get the tape measure and have a look, thanks guys.
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