Do chips help mpg, egt's ? - Ford Powerstroke Diesel Forum
View Poll Results: Do chips help mpg, egt
I agree 15 36.59%
I disagree 1 2.44%
Need more info 7 17.07%
Depends on chip 18 43.90%
Voters: 41. You may not vote on this poll

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post #1 of 21 Old 02-10-2007, 01:59 PM Thread Starter
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Do chips help mpg, egt's ?

I did a test to see what the difference was on the different setting's on my chip. Stock, 40 Tow, 80 Econo, 120 Race. My neighbor owns an 04 Dodge Cummins and was wondering if a chip would help lower his EGT'S he runs 1250 degrees, empty at 65 mph going up this grade by our house its 7% incline and about 2 mi. long. This is what I came out with at 65 mph.

Stock:
EGT 850
BST 24
TRANS 120
RPM 2500

40 Tow:
EGT 825
BST 12 Half of stock
TRANS 120-140
RPM 1750 Huge difference over stock

80 Econo:
EGT 820
BST 12
TRANS 140
RPM 1750

120 Race:
EGT 820
BST 11-12
TRANS 140
RPM 1700

In my opinion it ran more efficiently, less rpm's, less boost, and slightly less egt's than stock there by saving fuel. I plan to do this again pulling my 10k trailer. I did this for my info only and would appreciate any input or comments.

2003 F-250 FX4 7.3

AFE STAGE II INTAKE
4" TURBO BACK EXHAUST
DP LIVE TUNED
STAGE II DDP SINGLE SHOT INJECTORS
FORGED RODS
ARP HEADSTUDS
TN BB TURBO
ITP REGULATED FUEL SYSTEM
AIR DOG FUEL PREP
6.0 I/C
6.0 TRANS COOLER
HIGH FLOW OUTLET
NON EBPV PEDESTAL
AIH DELETE W/BOOST
DUAL RELEASE VALVE MAP

JOHN WOODS TRANS

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0-60 BOOST
TRANS TEMP
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post #2 of 21 Old 02-10-2007, 02:05 PM
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Generally the best way to lower egt's is to open up your intake and go with a larger exhaust. I don't know much about the Dodge cummings trucks. Usually when you add a chip it adds more fuel therfore higher egt's, but your test seems to throw that out the window

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
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post #3 of 21 Old 02-10-2007, 02:07 PM
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Well actually looking at you numbers now you are running those egt's at a lower rpm then stock you would have to run the truck up to 2500 rpms with your different settings and see what your egt's would be.

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #4 of 21 Old 02-10-2007, 09:15 PM Thread Starter
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I thought the test showed that with the chip it required less effort (ie. rpms) 2500 VS. 1750 to maintain 65 mph there by using less fuel.

2003 F-250 FX4 7.3

AFE STAGE II INTAKE
4" TURBO BACK EXHAUST
DP LIVE TUNED
STAGE II DDP SINGLE SHOT INJECTORS
FORGED RODS
ARP HEADSTUDS
TN BB TURBO
ITP REGULATED FUEL SYSTEM
AIR DOG FUEL PREP
6.0 I/C
6.0 TRANS COOLER
HIGH FLOW OUTLET
NON EBPV PEDESTAL
AIH DELETE W/BOOST
DUAL RELEASE VALVE MAP

JOHN WOODS TRANS

DIPRICOL GAUGES
0-60 BOOST
TRANS TEMP
PYRO

AIRLIFT AIRBAGS
315/75/16 COOPERS

402HP/895TQ
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post #5 of 21 Old 02-11-2007, 12:38 AM
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Your RPM's will be the same at a given speed. IE:2000rpms = 70mph.

Might as well chip it though

2001 F250
11.62 @ 115.79
Owner of Marty's Diesel
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post #6 of 21 Old 02-11-2007, 02:31 AM
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Not if your truck has to stay in a lower gear to maintain the speed. Less throttle position which means less load, which means less boost, means better MPG.
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post #7 of 21 Old 02-11-2007, 02:33 AM
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id go with ats housing and the ww or a new cooler....... from what ive seen that helps....... i though dodges run cooler then psd's though?

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post #8 of 21 Old 02-11-2007, 08:39 AM
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They seem to run just about the same if not a little bit warmer. Mine will barely get to 1000 in the stock position with a stock intake and straight pipe andd with a tuner it hit about 1250. I put a TST box on and it would go over 1400, but now I have a really hard time getting it over 1200 since I put on the bigger turbo.

2005 F350 XLT FX4. 2.5" leveling kit, 03 turbo, 4" MBRP Turbo-back, 58v FICM, SCT X4, Irate Diesel coolant filter
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post #9 of 21 Old 02-11-2007, 08:58 AM Thread Starter
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The truck has 4 speed auto incl. overdrive. In the stock setting it had to downshift to 3rd in order to maintain 65mph raising rpm's using more fuel. On level hwy I would agree with you Maintain about the speed but, if I had been trying to hold rpm's and not speed I would have been going verrry fast in the 80, and 120 mode. What I gather from the poll response is some chip's are better than others but, with a good chip you will improve performance and not sacrafice milage. I have seen my mileage improve 2-3 mpg since installing mine and I check it at the pump.

2003 F-250 FX4 7.3

AFE STAGE II INTAKE
4" TURBO BACK EXHAUST
DP LIVE TUNED
STAGE II DDP SINGLE SHOT INJECTORS
FORGED RODS
ARP HEADSTUDS
TN BB TURBO
ITP REGULATED FUEL SYSTEM
AIR DOG FUEL PREP
6.0 I/C
6.0 TRANS COOLER
HIGH FLOW OUTLET
NON EBPV PEDESTAL
AIH DELETE W/BOOST
DUAL RELEASE VALVE MAP

JOHN WOODS TRANS

DIPRICOL GAUGES
0-60 BOOST
TRANS TEMP
PYRO

AIRLIFT AIRBAGS
315/75/16 COOPERS

402HP/895TQ
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post #10 of 21 Old 02-12-2007, 03:21 AM
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I depends on the driver more than the chip, but you need a good chip.

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