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03-20-2007, 04:09 PM
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#1 |
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Registered User
Join Date: Feb 2007
Location: Marana, Arizona
Posts: 3,416
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1st Tank of Gas
Well I just filled up the tank again 2nd time @ 3.01 / gallon
so the 1st tank the ol beast got 9.5 MPG ( most in-town ) and I know I can improve on that , the idle is too high , have no idea what the plugs look like or where the timing is at so after plugs(if needed) and adj. ( carb & timing ) I'll add an ignitor to the distributor and a bit down the road maybe a 3" single exhaust w/small tube headers its got a Q-jet so I gotta keep my foot out of it anybody else give a rip about fuel economy ?
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"I feel the need for speed!"... as soon as I am done with my nap. |
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03-20-2007, 04:16 PM
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#2 |
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Hittin E-Z Street on Mud Tires
 
Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: 1st Tank of Gas
Yeah. I only own gas hogs. Z71 and the 67. I also travel a lot.
 The 67 gets 13 city. Haven't tried highway recently, but I'd expect 15-16 with the 700R4. My only saving grace is I live 14 miles round trip from work and all the stores and stuff I would need to shop at are right down the road.
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride  American Born, Country by the Grace of God  1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! Last edited by 67ChevyRedneck; 03-20-2007 at 04:17 PM. |
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03-20-2007, 04:21 PM
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#3 |
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Hot Rods For Life
Join Date: Sep 2001
Location: Waxahachie, TX
Posts: 3,305
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Re: 1st Tank of Gas
The way I figure it. When I get my truck running. It will cost me around $20 just to drive to work round trip.
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03-20-2007, 04:41 PM
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#4 | |
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I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: 1st Tank of Gas
Quote:
I figure I will pay what they charge for it as long as I can then brew my own if I can.After that it will be "dirt nap" time for me.I don't really have a desire to live in a time where I can't enjoy some of the things I've lived my life around.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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03-20-2007, 04:44 PM
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#5 |
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The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,475
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Re: 1st Tank of Gas
I fill my old stepper up w/ oil and then checked the gas
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Big Piggy: "Goliath" 07 Kodiak C4500 Lil Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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03-20-2007, 05:37 PM
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#6 |
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Who's got steelies?
Join Date: Feb 2006
Location: Morrison, Oklahoma
Posts: 1,026
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Re: 1st Tank of Gas
Just enough. My best recorded milage (since I got the speedo/odometer working for the first time since i've had the truck a month ago) on a 250 mile round trip was 15 mpg, that includes both city/highway combined. Keep in mind I have a well-worn out 305 with a jurry-rigged 2bbl carb under the hood.
So even I'm optimistic that it could be better.
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 1969 C10 LWB W/ 250 I6 & 3spd1970 C10 with '67 small window cab, 68 front end, blue; 305/TH350, 3.08 limited slip rear end, manual brakes, power steering; & 4-wheel drums-My daily driver.1975 Chevelle Malibu Classic Coupe 350/th350 mint green1970 C20 Suburban 350/700R4 4.10 gearing green & white 1978 Big 10 Silverado 350/th350, working ac, 2 tone blue-My summer daily driver 1983 GMC 1500 Sierra 305/SM465 2.73 rear end How to add a trip odometer to your 67-72 stock speedometer How to rebuild your Q-Jet My Truck Page My Youtube Channel |
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03-20-2007, 06:56 PM
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#7 |
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Registered User
Join Date: Oct 2006
Location: Elgin, IL
Posts: 658
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Re: 1st Tank of Gas
I just got my truck last week, its got a 350 350 combo, and im tryin to figure out the milage. Just filled the nice 30 gal underbed tank a few days ago, and ive gone about a hundred miles and it just hit the full line, it started way up there. Sry bout the highjack, but what fuel do u guys run? The guy i bought it from said put premium in it, i put plus. It cost me 73.27 just to do that, and i work 8 hours a week cause a school, so its a little tight. Ill get back on the mpg when i fill it up next time....
Brad
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2000 GMC Sierra EXT Cab Short 4x4, finally mine... 1966 C10 SWB Fleet, 250 I6, three on the tree.... Previously Owned.... 1987 Chevy R10 "Silverado" (at least the badges were) Short Step 350 700r4.... 1972 Chevy LWB Fleet 350/350 EXTENDED CAB ALL THE WAY! .._..~...-...._...____ .._..-...______|_|__\____ ..-..~.|_(O)__|_|__|_(O)] Last edited by SkylineNXS; 03-20-2007 at 06:57 PM. |
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03-20-2007, 07:04 PM
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#8 |
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Registered User
Join Date: Jul 2006
Location: Central PA
Posts: 12,201
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Re: 1st Tank of Gas
my truck gets the best mileage...hasn't cost me a dime in gas so far! oh yeah, it's torn apart! My HEMI Ram was getting 14-16 so I figured it wouldn't hurt to sell it and buy a classic...now I drive a Camry to work and get 28-30mpg for now...
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The Garage: 1968 K-10 SWB - "Project Money Pit" 1996 Z-71 - "huntin rig" 1969 C-10 LWB (SOLD) "Project flip that truck or else" 1993 Passport, F@rd 1-ton (SOLD)"Project Cousin Eddie" My Garage Build "The 1,000 footer" |
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03-20-2007, 08:46 PM
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#9 |
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Registered User
Join Date: Sep 2003
Location: Franconia,N.H.
Posts: 1,029
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Re: 1st Tank of Gas
i believe that when the truck was together and had the 250 we got about 17 mpg on the highway with a loaded bed. not sure what i'll get now but i'll just have to keep a light foot
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(Only) Member of the CPNE Fan Club  Aint that the truth 67 C-10 350 with 3-speed tranny and 308 gears swb step 82 Z28 Camaro 355 small block over 350 hp and a borg warner super t-10 (blown engine) 72 Chevy K20 Suburban (future project) 70 Chevy K20 now 68 GMC K2500 2003 Chevy 2500hd ccsb 4X4 (daily driver) |
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03-20-2007, 09:39 PM
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#10 |
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Registered User
Join Date: Feb 2007
Location: Cali Central Coast
Posts: 5,191
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Re: 1st Tank of Gas
My '07 4X4 extended cab only gets around 13-14 mpg - I fill up every other day. But work pays the gas, so it's not so bad.
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'67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD  Click here to support the board Philippians 4: 6-7 |
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03-20-2007, 10:08 PM
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#11 |
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Registered User
Join Date: May 2006
Location: at work
Posts: 2,552
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Re: 1st Tank of Gas
You guys need to come down here! $2.38 a gallon.
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R.I.P. Killer 71 10/26/07 |
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03-20-2007, 10:21 PM
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#12 |
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Registered User
Join Date: Feb 2007
Location: TX
Posts: 7
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Re: 1st Tank of Gas
Before my motor went, I was hitting around 12 mpg with about 75% highway driving. I'm not too bothered by it, most new trucks don't get good enough mpg to justify the extra payments per year. I'd rather keep my golden oldy.
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I like pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals. -Sir Winston Churchill |
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03-21-2007, 02:01 AM
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#13 | |
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Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: 1st Tank of Gas
Quote:
and if i figured it out right i get about 8mpg city and about 11mpg highway i think, if i figured it out right
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-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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03-21-2007, 09:09 AM
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#14 |
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Registered User
Join Date: Jan 2007
Location: Canton, TX
Posts: 210
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Re: 1st Tank of Gas
2.34 a gallon east of Dallas. total of 3 tanks, 58 total gallons. $135.72 please.
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1969 Custom w/Turquoise Interior. 75k miles, 350 Auto, (Almost) All Original 
Last edited by gmc1969custom; 03-21-2007 at 09:13 AM. |
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05-07-2007, 04:33 PM
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#15 |
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Registered User
Join Date: Feb 2007
Location: Marana, Arizona
Posts: 3,416
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Re: 1st Tank of Gas
2nd tank 10.86 getting better , all I've done (so far) is put on radial tires
and lowered the idle speed needs lots more but life gets in the way , I think the trans is slipping a bit considering rebuilding it and adding o/d or swapping a 4speed o/d trans not sure if I need o/d if I'm running 3.07 gears I'll get it checked before I start throwing $ at it
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"I feel the need for speed!"... as soon as I am done with my nap. |
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Andy 
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