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10-05-2012, 12:17 PM | #26 |
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Re: Are there any regular cab dually picture threads?
I have two extra doors and only one drive axle on my R30. I drive it 99% surface street "city" driving and generally see right around 6mpg. And it is soooo worth it! I love my truck!
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'87 R30 Crew Cab Dually It's 11 PM, do you know where your IAC pintle is? |
10-05-2012, 03:01 PM | #27 |
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Re: Are there any regular cab dually picture threads?
i think the only way to get good economy is to go diesel. Since 1 tons have a minimum of 3.21 rear gear it's still do-able towing wise and you can still keep up with traffic---reasonably. Although not as fast as small block or big block.
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10-05-2012, 03:08 PM | #28 |
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Location: Illinois
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Re: Are there any regular cab dually picture threads?
Or one could put in a 6.0L FI engine with a decent tune and pull some better MPG's. Someone here has done this with a blazer or a suburban and has got good results.
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10-05-2012, 03:23 PM | #29 |
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Re: Are there any regular cab dually picture threads?
I knew I would find it somewhere.
Originally Posted by Firebirdjones That's always been a question in my mind. My fathers 03 3/4 ton 4x4 with the 6.0/4L80 and 4.10 gears averages about 15 mpg for him. Not horrible but not what I would consider all that great for something with fuel injection and overdrive. Everyone thinks the 6.0 should be a gas hog,,,I mean lets face it,,,it's not a big engine,,,it's only 364 cubes, there is no reason for it to be considered a gas hog. It only has 9 cubic inches over the 355 I used to run in my blazer. I now run the same 2004 6.0 engine in my 72 4x4 blazer with a 4L60 and 3.73 gears and get 17/22 city/highway with an optimized tune. I think that's alot of the answer to your question. GM puts such a lazy tune in these things (low timing tables/pig rich WOT AFR's) makes the engines lazy. My neighbors 03 duramax 3/4 ton is getting him 17-18 mpg which doesn't seem all that special to me for a diesel. Again I'm sure there is something left on the table with the tune though. If I can get 14 mpg out of my 79 1 ton with a 502 in it, no overdrive, and 3.73 gears, then there should be potential in any pickup truck out there if optimized properly. This is what I have in mind if I can get my hands on this 86 I am looking at. |
10-05-2012, 04:22 PM | #30 |
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Location: Canyon Lake Texas
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Re: Are there any regular cab dually picture threads?
My 78 gets 9 unloaded and slightly less loaded. This is with everything that's in my sig, 245/75/16 tires, 4:11 gears, and a 800 cfm quadrajet that's been modified to about 840 cfm and quite a bit bigger primary jets. If I keep the 454 in it much longer i'm going to build another qjet for mpg. I plan on putting a cummins in it with a NV4500, then I will get around 20mpg if not more. My old dually had a mildly built 454 and it got 7 no matter what, except for one time I got 12 out of it. I don't know why, I double and triple checked my numbers, made sure I wrote my mileage down right, didn't change anything and didn't drive any different.
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Tony 1985 GMC K2500 restoration Project: Rust, White & Blue 1989 Chevy R3500 CC Cummins & 4X4 swap some day... 1989 Burb (D60, 14BFF, 12V, NV4500, NP205, 37" tires in progress) |
05-02-2013, 09:13 AM | #31 |
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Re: Are there any regular cab dually picture threads?
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06-10-2013, 11:54 PM | #32 |
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Re: Are there any regular cab dually picture threads?
Any of you guys do a cummins 4bt/6bt swap
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06-11-2013, 12:30 AM | #33 |
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Re: Are there any regular cab dually picture threads?
There are a few... http://67-72chevytrucks.com/vboard/f...play.php?f=240
Btw that is a new section, most of them aren't in there. Posted via Mobile Device
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Tony 1985 GMC K2500 restoration Project: Rust, White & Blue 1989 Chevy R3500 CC Cummins & 4X4 swap some day... 1989 Burb (D60, 14BFF, 12V, NV4500, NP205, 37" tires in progress) |
10-24-2014, 08:39 PM | #34 |
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Re: Are there any regular cab dually picture threads?
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10-25-2014, 10:02 AM | #35 |
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Re: Are there any regular cab dually picture threads?
My newest addition.
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Roy 85 Short Bed Silverado- Work in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=564818 1987 R10 shortie |
05-07-2015, 10:03 PM | #36 | |
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Re: Are there any regular cab dually picture threads?
Quote:
Dang man $350!!!!!!!! if you want to sell it for that much or know of a k30 for that much there is a 16 year old in Tulsa OK that needs a project truck cheap and fast. FYI lol |
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05-08-2015, 10:41 AM | #37 |
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Re: Are there any regular cab dually picture threads?
Here is a '78 Scottsdale Camper Special 454/4spd with wood floor I had in the late-80s. The pictures was right after I bought it with temp tag still on. I had already put the new chrome bumper on (had a new painted one). I lost the running boards and put radials/chrome Budds on. I ran dual exhaust, put quality stereo in, and had a little pinstriping done to match the piece on the rear fenders. That's all you had to do back then. They were everywhere and you just picked the one you wanted. I bought this for work, so I could play with my old trucks.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
05-09-2015, 08:16 PM | #38 |
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Re: Are there any regular cab dually picture threads?
1981 c 30
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05-28-2015, 02:08 PM | #39 |
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Re: Are there any regular cab dually picture threads?
Just picked up this 1 owner 73.
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