MPG poll
This has been discussed before, and I'm sure maybe even a poll... but I have no recollection of it so...
(you can vote more than once...since some of you have more than one truck) |
Also.... feel free to describe your rig's mechanicals... stock, mild, wild... inline, small block, big block, cross breed... stick shift, slush box, one to one, over drive... 4X4 4X2...blah blah blah...
Mine is a cross breed caddy 500 wearing an Edelbrock 750 on top with a one to one (TH350) slush box automatic with a 4.10 in the rear... I get 10 MPG. |
Oh yeah...if you have a Fuel injection swap and you ARE actually getting 20+ on a regular basis.....please share that too!
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Voted 10 to 12. 69 4x4, 283 4bbl (Fresh Rebuild), TH350 (Coupled To A NP208), 3.73 Ratio?? Hmm...I should really get off my ass and check that...
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I went with the 10-12. Last time I checked it was 11.5 mpg. But I haven't checked since going to the taller tires. Most of my miles are at highway speed so maybe I'm getting a little better? I also try to keep the speed to around 65 instead of 75-80. Of course my speedo is off some from going taller too....
Al Hey Longhorn Man- I grew up outside of Cincinnati. Moved out west for good about 6 years ago. |
yeah, I'm planning a move out west too...where insanity meets the sea. (LA)
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voted 14. '69 GMC short step 4X2, 3.73 and 33's. all those RPM calcs are bull cuz it says i should be at 2700RPM at 60, where im at like 3K. but anyhow, i run a NP435GA. im gonna step down to somewhere 3.08 to 3.42 and a 29 or 28" tire
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i cant really vote if i keep my foot out of it i get right around 10 but as soon as i crack it open it starts drinking and quickly goes somewhere under 4 mpg at that point.
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The old longhorn is running an Edelbrock rpm topped 383,with a comp XE268 cam,400 turbo with a 2500 stall converter. all that runs through a set of 3.40 gears, on a 29" tall tire. 3000 rpm cruise on the hyway gets me right at 73 mph,& will go right at 10mpg ......if driven easy(thats a big IF at times tho :lol: ). :crazy: L
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I voted in the 10-12 mpg range. When I have the nerve to check it, usually comes in just a hair over 11-11.5 range. Stock 350, (not orginal to the truck) 2bbl, 4 speed, 4x4 with NP 205, 31-10.50's on rallies, 4:11 gears. Generally does best if I stay between 55-60 on the high way. Have to drive it like Grandpa, light foot, no speed shifting. (But then, how do you speed shift a granny 4 speed, :crazy: )
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16 MPG, 300HP 350, 700R4, 3.73 gears, 29in. tires, HEI, Edelbrock 1400 carb, Performer RPM intake, stock ramhorn manifolds.
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I get a little over 13. 307 with the stock 2bbl. 29" tires and 3.73 gears. Im looking to switch to 3.08 soon and hope to be over 15.
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I have gotten 14.75 out of my C10. That's in the left lane of the interstate with the A/C wide open. I have a 350 with an Edelbrock intake, underdrive pulleys, MSD coil and wires, roller tip rockers, K&N filter and filtered lid with a quadrajet. It has a turbo 350 trans and a 3.08 gear. I have also removed the engine driven fan and replaced it with an electric Flex-a-lite unit.
I have gotten a high 12 out of my K10. It is almost an identical setup with the addition of a 4x4 cam. It runs a 33x12.50 M/T claw and a 3.08 gear. It would probably pick up a mile or two per gallon with a less aggressive tire. |
I hope to be above 18-20 after I finish my swap.
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Voted 13-14. It's very unofficial. 99% highway miles and my odometer might be off.
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I wont vote this time cause my truck aint used a drop in a year ;) but it used to get 10-12
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Play toy
72 C/20 built 400hp 396 700r4 trans 4:11 dana 60 rear don't remember what size tires but bigger than stock gets around 4 MPG. Daily driver 86 K/10 stock 305 700r4 trans 3:08 10 bolt rears 31x10.50x15 tires gets around 8 MPG... Chuck |
68 SWB 350 RV cam/flat tops Torker intake 600 edelbrock stock turbo 350 has a 3.73 posi rear. get around 10-12 unless i feel like trying to put my foot through the firewall then it might get 5 :lol:
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454, t350, np205, 1970 k/20, pulling a heavy trailer make no difference ! lol
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I did a post like this about 4 months ago, got lots of got info, can't find it now. Anybody know how to search with google?
70 GMC C-10 SWB, 402/T400, 308 gears, (all factory stock) has 275-60-15's....about 10 mpg. 67 Chevy K10 SWB, built 350/T350, 373 gears, 33-10.50-15's....10 mpg. 94 Honda Civic, 1.5L auto.....32 mpg, sorry, I had to throw it in. :lol: Both have the speedo's off a couple miles per hour at 55. Greg |
72 c10 lwb th 350 dont know my ratio probably gets 10-12 all the time
99 silverado gets a hair over 20 on the highway, i think something like 15 in town |
ENGINE
1970 LT1 BLOCK 1970 LT1 FORGED CRANK 1970 LT1 FORGED RODS TRW FORGED PISTONS .030 MILODON OIL PAN 1970 LT1 CAMEL BACK HEADS, 2.02/1.60 3 ANGLE VALVE JOB, HEADS HAVE BEEN EXTENSIVELY PORTED & POLISHED LUNATI CAM 290? LUNATI TIMING GEARS HOLLEY DOMINATOR INTAKE 3310 HOLLEY CARB 750 CFM MALLORY UNILIGHT DISTRIBUTOR ALUMINUM WATER PUMP HEADMAN ELITE CERAMIC COATED HEADERS APPROXIMATELY 425 H.P. THE REST 350 TURBO AUTOMATIC NP205 TRANSFER CASE 3.08 GEARS FRT. & REAR 35 X 12.5 X 15 BFG'S SHOULD GET 10-12 LIKE ASA SAID ABOVE (SEETEN) BUT REALISTICALLY IT GETS LIKE 6-8, THIS MOTOR MUST BE MORE OF A HOSS THAN THE PO STATES :hm: (IT SHOULD GET GOOD GAS MILAGE BECAUSE OF THOSE 3.08 GEARS RIGHT? WRONG, THAT'S AN OLD WISE TALE) |
38 MPG with Mine..................And no, I am not a liar and I am not stoned! :lol:
One of the best choices I ever made was tossing that small block! |
I think I got 120 miles per tank one time, and was happy with that :rolleyes: What is that, 6-ish mpg? That was with a smogger 350, 3.73's and 29" tires. I'm sure the 406 is gonna be even worse.
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