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02-11-2009, 10:51 AM
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#21
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Name: BluegrassDiesel
Title: UK2K!
Status: Not Here
Join Date: Apr 2007
Location: KENTUCKY
Member`s Gallery
Posts: 4,136
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Quote:
Originally Posted by Red Stroke
So who has the best combo and what are you using?
I was thinking:
95 12v 160 Pump
Stock Turbo
5x.012 Sticks
022 DVs
Stock head bolts lubed with moly to 135 ft/lbs
18 degrees timing
3k gsk or washers
Some type of cam plate
Auto trans
3.73 gears
295 tires
7200 lbs
What 22 mpg and 325 hp to the ground maybe?
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I think 3.55s for sure, maybe even 3.08s. A manual transmission would yield the best mileage, but if its an auto a good tight converter would help too. Keep the stock DVs, and go to 20* with the timing.
__________________
Josh Land
Bluegrass Diesel Performance
Lancaster, Ky
SHOP ONLINE @ http://WWW.SHOPBLUEGRASS.COM
97 DodgePPL Limited Pro Stock "The Crippler"
09 3500 GMC CCDually
05 Silverado SS
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02-11-2009, 11:59 AM
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#22
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Name: Hurley
Title: BLAKLUNG
Status: Not Here
Join Date: Apr 2008
Location: Statesville, NC
Member`s Gallery
Posts: 3,698
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start dropping weight
__________________
THIS
IS
COMPD.
95 2500 RCSB 2wd back-halfed and 4-linked
5x14/7mm +100cc/4k/11-blade billet 63/68/.91 T4
539/989
03 RCLB 4x4, SSR
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02-11-2009, 01:17 PM
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#23
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Name: BlackSkyRacing
Title: Living Under a Rock
Status: Not Here
Join Date: Mar 2007
Location: Sparta, WI
Member`s Gallery
Posts: 1,394
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Quote:
Originally Posted by Hurley
start dropping weight
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That's the only way I can explain me getting 22mpg with the 370's and not running OD (messed up the selective shim/spacer combo <- part of the reason it's torn apart right now). My truck weighed 5600# with a 200# bumper up front, me, and a 1/4 tank of fuel. I would put it somewhere closer to 5500# now that I swapped a sport bumper in up front.
Not to mention the 16cm housing on my HX40 only pushed 4psi of boost at 65-70 turning 2500 rpm...
Weight, aerodynamics, and boost are all killers of mileage
94-95 rclb
auto or stick (your choice, but an aftermarket TC and VB would help)
2wd (leave the ride height alone but build an air dam like crabbelle)
topper or hard bed cover
215's or a good set of EDMed sticks with the .020 washers
19* timing
plate of your choice
Stock DVs
3kgsk or washers
235/85R16 tall and skinny
keep the 3.54s
Choice of HX40, 16.5 cm housing on stocker or aftermarket with a 14cm housing (want to keep the cruising boost as low as possible)
That would be my personal set up for a cheap DD that should at least get out of it's own way, yet still get decent mileage. The thing I like to keep in mind about the auto is that it has a .69 OD vs the .75 of the 5spd... I know it's not much of a difference, but it all adds up.
__________________
Stan
08 QCSB 4x4 stock (ish) - 68RFE parts test pig
49 Dodge 2.6 pulling project "Gold Digger"
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02-11-2009, 01:54 PM
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#24
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Name: K204DR
Title: I'm the Driver
Status: Not Here
Join Date: Jun 2008
Location: TN
Member`s Gallery
Posts: 971
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will the 16cm housing on a stock hx35 make it bog off the line to much or is it not noticeable? can't get but 16-17 out of my truck running empty. was thinking of trying a 16cm on it.
__________________
88 Chevy crewcab 6bt nv4500 valair clutch
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02-11-2009, 01:59 PM
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#25
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Name: Cursedtofirst45
Title: Too Much Time
Status: Not Here
Join Date: Oct 2008
Location: Tempe, Az
Member`s Gallery
Posts: 680
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Quote:
Originally Posted by K204DR
will the 16cm housing on a stock hx35 make it bog off the line to much or is it not noticeable? can't get but 16-17 out of my truck running empty. was thinking of trying a 16cm on it.
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16cm will help on a stocker. I liked my 18.5
If you like 0 crusing boost at 65mph.
__________________
1998 Dodge 2500 QCSB 4x4
12v Cummins/Nv4500
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02-11-2009, 05:50 PM
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#26
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Name: K204DR
Title: I'm the Driver
Status: Not Here
Join Date: Jun 2008
Location: TN
Member`s Gallery
Posts: 971
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how will the 16 do with towing? still work fine?
__________________
88 Chevy crewcab 6bt nv4500 valair clutch
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02-11-2009, 09:07 PM
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#27
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Name: Cursedtofirst45
Title: Too Much Time
Status: Not Here
Join Date: Oct 2008
Location: Tempe, Az
Member`s Gallery
Posts: 680
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Quote:
Originally Posted by K204DR
how will the 16 do with towing? still work fine?
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full boost before 1800 rpm. Should tow fine if you've got the fuel to help with spool up.
__________________
1998 Dodge 2500 QCSB 4x4
12v Cummins/Nv4500
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02-12-2009, 12:48 AM
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#28
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Name: Rodram2002
Title: Too Much Time
Status: Not Here
Join Date: May 2007
Location: Bend, Or
Member`s Gallery
Posts: 566
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I would think driving habits and timming would be 2 big things when trying to get mileage. Now, why is it that I hear so many different timming settings? Anything from 15.5* to 20*. That's a big difference. So far, I've ran stock timming, 17*, and 15.5. I have yet to notice any difference between the 15.5* and 17*. Both only give about 16-17mpg in town and about 20-21mpg HWY.
__________________
Scotty.
2009 2500 4 door long bed. 6.7 68RFE Mini Maxx, Flow Pro, Sinister Diesel. Thuren 3" lift with Fox 2.0 shocks. Toyo 37-13.50-17.
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02-12-2009, 01:42 PM
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#29
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Name: kas83
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: Plover, WI
Member`s Gallery
Posts: 676
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Quote:
Originally Posted by Macktruckdriver
my stock Dually gets 20 but 30-34 just and happinin
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STOCK being the key word here. These motors respond very well to mpg when the correct mods are added. I read up on Crabbelle's thread awhile back, and have been reading up on Garmons 55 mpg wonder machine.
Am I skeptical, yes. Do I think it's possible, yes. Do I think these guys are simply blowing smoke up our ass with those mpg numbers they've given out, not at all.
No two trucks are the same, no two motors built exactly alike will act the same either. Tuning, tuning, and more tuning.
Personally, my truck gets 18 mpg. I want it better, and will tune and tweak to get more out of it. Eficient motors make more power, and are more economical, which in turn translates to better mpg.
Anyone that call's BS on a claim like 30 mpg, or even Garmons 55 mpg, I want to see the proof WHY it CAN NOT get the claimed mileage. Physics and engine theory withstanding, I feel no reason to discredit the two numbers I've given here.
Sorry for the thread derail. I'm all for making efficient, economical power, while still having fun. Post up more combos, I will be reading.
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2000 F250 CC/LB V10 - possible 12v Cummins swap?
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02-12-2009, 03:21 PM
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#30
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Name: onadiet
Title: Green Behind the Ears
Status: Not Here
Join Date: Jan 2008
Member`s Gallery
Posts: 45
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95 6bt, 4GSK, lazer cuts, stock injectors, 17*, 16cm exhaust housing, 24mpg on the high way and 19ish average. All in 83 Suburban with 6inch front 8inch lowering kit.
http://listmoto.com/items/7
Not the best MPG but it was fun!
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02-12-2009, 06:09 PM
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#31
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Name: Red Stroke
Title: Too Much Time
Status: Not Here
Join Date: Aug 2006
Member`s Gallery
Posts: 1,087
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Can we talk about his setup?
Quote:
Originally Posted by Timbeaux38
I like Garmon's setup.... 700 HP with a 160 pump and a 1/2 ton.... 28 MPG flogging the piss out of it or 55 MPG driving like Grandma.
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__________________
White 01 Superduty, Ex-Cab SB, 4x4, Built 12V Cummins, HTS Billet 47RH, 8" Stack, 796 HP 1300 ft/lbs #2, 1374 HP 2500+ ft/lb on the gas.
What you don't measure, you can't control. What you can't control-you can't improve.
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02-12-2009, 07:06 PM
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#32
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Name: Phily 911
Title: Satire
Status: Not Here
Join Date: Nov 2007
Member`s Gallery
Posts: 452
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Quote:
Originally Posted by JerrodGlover
Good MPG and a truck don't go together. I don't buy anyone telling me they are getting over 24 MPG.
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These trucks can 24 if you keep your speed down. If you have a Dana 80 in the rear put a 3.31 gear in.
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ID-10-T contamination
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02-12-2009, 07:30 PM
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#33
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Name: WUnderwood
Title: CompD Minion
Status: Not Here
Join Date: Aug 2006
Location: Texas
Member`s Gallery
Posts: 8,418
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Quote:
Originally Posted by Red Stroke
Can we talk about his setup?
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x 2
__________________
2011 Ford F-150 Lariat 4X4
RIP BFD99, jponder, and Forrest Nearing
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02-12-2009, 08:59 PM
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#34
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Name: covey88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Dec 2007
Location: ohio
Member`s Gallery
Posts: 114
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Quote:
Originally Posted by WUnderwood
x 2
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X 3
__________________
96 DODGE RAM 2500 extended cab 4x4 auto trans,it has a BHAF, I removed the cat. and muffler(straight piped 3"), 16.5*timing and moved afc housing forward and a custom ground 100 plate too, flipped the washer on the diaphragm in the afc, 4k gov kit, and 60lbs valve springs
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02-12-2009, 09:44 PM
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#35
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Name: GRotman
Title: Chief Indian
Status: Not Here
Join Date: Jul 2006
Location: Allendale,Mi
Member`s Gallery
Posts: 2,516
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I will start, it has stock headbolts.
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02-12-2009, 09:47 PM
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#36
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Name: Macktruckdriver
Title: Too Much Time
Status: Not Here
Join Date: Feb 2008
Location: Allendale, MI
Member`s Gallery
Posts: 4,358
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I think its got different injectors in it to.
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02-12-2009, 10:29 PM
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#37
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Name: K204DR
Title: I'm the Driver
Status: Not Here
Join Date: Jun 2008
Location: TN
Member`s Gallery
Posts: 971
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well I swapped my 16cm housing on this morning. going on a roadtrip soon so we'll see how it changes things. was getting 13-16 last weekend on the way to Fla with my trailer.
wheres a link to the build thread on the 55 mpg truck?
__________________
88 Chevy crewcab 6bt nv4500 valair clutch
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02-13-2009, 01:51 AM
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#38
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Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
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I average 15.5 to 16 mpg mixed driving. If I baby it around town a purposely try to save fuel, I can break into the 18's.
Before any mods and with a new VP44 rolling on 265/75/16 Michelin's I averaged 21.5 mpg at around 2400' elevation.
Moved to Utah 4500' valley floors, mileage dropped to 17.5 mixed driving.
Added Jammer 5's, Edge Comp, Intake and Exhaust and mileage dropped to 14.5-15.
Moved to Vegas 2000' elevation and mileage came back up to nearly 16.
My truck has been in the great fuel economy range, average, and poor. Mods, elevation, and driving habits have a HUGE effect on fuel economy. I set cruise control at 62 mph and drove on the 75mph interstate from Utah to Washington non-stop. 760+ miles on less than 29 gallons. Came out to 24.4 mpg or so. That was rolling on 35" mudders, edge comp, stock injectors, stock exhaust, and maybe my K&N intake. That's the same setup that was averaging 17.5 mpg mixed driving.
I believe 30 mpg is attainable, but who wants to drive that slow all the time with an egg under their foot?
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
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02-23-2009, 05:46 PM
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#39
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Name: Red Stroke
Title: Too Much Time
Status: Not Here
Join Date: Aug 2006
Member`s Gallery
Posts: 1,087
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Garmon you gonna join us?
__________________
White 01 Superduty, Ex-Cab SB, 4x4, Built 12V Cummins, HTS Billet 47RH, 8" Stack, 796 HP 1300 ft/lbs #2, 1374 HP 2500+ ft/lb on the gas.
What you don't measure, you can't control. What you can't control-you can't improve.
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02-23-2009, 08:22 PM
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#40
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Name: JakeDiesel
Title: Too Much Time
Status: Not Here
Join Date: Jan 2009
Member`s Gallery
Posts: 415
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Quote:
Originally Posted by Red Stroke
That was always one swap I wanted to do, I dont know what those get for mileage 20 to 25? If that is all then I would rather have a 18-22 mpg F-250
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Ive gotten 27mpg driven my truck around town. The trans doesnt have lock up, Ive heard of people haven no problems getting mid to low 30s without any problems.
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