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11-17-2010, 11:35 PM
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#1 |
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Registered User
Join Date: Oct 2010
Location: duluth minnesota
Posts: 38
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Gassss
so my 74 chevy C20 is my dally driver
i get about 10mph in the city and ideas to get better mpg's? Last edited by 74chevy3/4; 11-17-2010 at 11:36 PM. |
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11-17-2010, 11:46 PM
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#2 |
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BMW & ASE Master Certified
Join Date: Feb 2004
Location: Houston, Texas
Posts: 1,256
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Re: Gassss
buy a different car that gets better gas mileage
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes 1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD A poor man buy's it twice finally got my domain name back, 87chevy.com.... site rework in progress |
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11-17-2010, 11:48 PM
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#3 | |
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NOT REALLY BANNED!
 
Join Date: Jul 2004
Location: Shawnee, KS
Posts: 1,072
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Re: Gassss
Quote:
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1987 Mustang Coupe - 2.7 Stroker, 78mm turbo, Stainless header, 3" Exh, FMIC, 160lb/hr Injectors, MS3, twin walbro 255's, 34psi. Eating V8's daily. 04 Pontiac GTO 04 Ford Mustang GT 68 C20 LWB stripper truck 73 K5 Cheyenne 76 C20 Sierra Crew SRW 88 K20 Suburban I'm not hammering on metal just to hammer, i'm creating a piece of art. |
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11-18-2010, 12:14 AM
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#4 |
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God is good!
Join Date: Sep 2010
Location: Texas
Posts: 689
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Re: Gassss
10mph is actually normal for a truck like this. A few things that add up--check tire pressure very regularly, use a good, smooth, non-aggressive street tire, do not lift your truck, follow the speed limit, tune your carb, use dual exhaust over single, and of course, follow the speed limit.
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Mando "It takes a smart man to know when he's stupid." -- Barney Rubble My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=430367 Last edited by TheWhiteElephant; 11-18-2010 at 12:22 AM. |
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11-18-2010, 01:09 AM
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#5 |
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Watchin the rust grow
Join Date: Oct 2008
Location: Western Nebraska
Posts: 950
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Re: Gassss
Maybe even go less than the speed limit.
But honestly, these things are gigantic refrigerator boxes and they have V8's. They're not going to get good fuel mileage. I found a Honda for 1,000 dollars replaced 140 dollars worth of parts, put 1500 miles on it and got sick of feeling like a "ricer" and sold it for twice I bought it for and pocketed it. Check your local police auctions. But to answer your question you may try to perform a search, there has been 2 or 3 excellent threads on this.
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1979 Chevy K10 (H/D Front end) - 350 w/ Holley Truck Avenger, Weinald Intake manifold, headers, bored .060 over, mild cam, Built up TH350 (TranStar Shift kit) with a part-timed NP203 t-case SOLD ($3,000) 1997 Chevy Silverado 1500 - 4.3 vortec, extended cab, 21 highway MPG, stock. "Red" SOLD ($3,000) 1987 Toyota 4wd Pick-up - work in progress, future DD SOLD ($1,850) 1998 Dodge Ram 2500 Cummins 5spd Quad cab - old 12 valve with some work done  2004 Chevy Silverado - Black, 4x4, 5.3L, stock for now Underneath that rust is a heart of gold
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11-18-2010, 01:28 AM
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#6 |
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Registered User
Join Date: Aug 2009
Location: Oregon
Posts: 611
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Re: Gassss
It ain't cheap to ride in style.
  The main thing with these trucks is to keep the speed down, since they don't have overdrive. The difference between 55mph and 65mph is HUGE in my truck, but barely noticeable in a new vehicle. Electric fans help too. The stock fans on these trucks are a huge power drain. The one in my '73 doesn't even have a clutch. You may also want to consider synthetic fluids in the drivetrain.
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'73 K20 Cheyenne Super Camper Special 350/TH350/NP205 sittin' on 33's. You can set my truck on fire and roll it down a hill, and I still wouldn't trade it for a Coupe de Ville. |
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