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12-02-2011, 11:47 AM
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#1
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Junior Member
Freightliner Owners Club
Join Date: Dec 2011
Location: Nipomo, CA
Posts: 15
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Cummins ISL 400 hp Power Chip Installation
I have purchased a power chip module (Diesel Power DIGI CR) for a Cummins ISL400 installed in my 2011 Winnebago Tour motorhome (looking for increased performance). My problem is that the 2011 is so new the module manufacturer cannot provide me with clear information on the location of the fuel rail pressure sensor plug. I know it is supposed to be located on the side of the block opposite the exhaust and toward the rear of the coach. Have scoured the motor for hours looking for this "quick" installation. Can anyone help?
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12-02-2011, 12:01 PM
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#2
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Senior Member
Tiffin Owners Club
Join Date: Dec 2009
Location: Winter Park, Fl
Posts: 495
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JLAppel: I'm thinking your (Allison 3000) tranny is already maxed out for torque, what will this chip do?
__________________
2007 Allegro Bus 42 QRP, 400 ISL now 2017 LTV Serenity on a 2016 Sprinter chassis
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12-02-2011, 07:10 PM
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#3
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Registered User
Join Date: Mar 2011
Posts: 1,943
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You know, all you had to do is find a Cummins man with Pro Plus license for Insite and an INCAL DVD and it takes 10 minutes to reflash the ISL up to 450HP.
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12-03-2011, 03:07 PM
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#4
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,768
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Quote:
Originally Posted by Perry White
You know, all you had to do is find a Cummins man with Pro Plus license for Insite and an INCAL DVD and it takes 10 minutes to reflash the ISL up to 450HP.
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What does that do to torque and MPG?
__________________
2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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12-03-2011, 03:19 PM
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#5
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Senior Member
Damon Owners Club Freightliner Owners Club
Join Date: Mar 2006
Location: North East Texas
Posts: 4,946
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Quote:
Originally Posted by Perry White
You know, all you had to do is find a Cummins man with Pro Plus license for Insite and an INCAL DVD and it takes 10 minutes to reflash the ISL up to 450HP.
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hmmmm
where can i find such a person
__________________
USN Retired, Life time member of the DAV.
Enjoying the 2008 Damon Tuscany 4056, #3998 no your eyes are fine, there are really 6 slides
2022 F150 King Ranch or 2012 Edge toads
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12-03-2011, 03:23 PM
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#6
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Administrator in Memoriam
Newmar Owners Club Retired Fire Service RVer's Spartan Chassis
Join Date: May 2000
Location: Newark, DE
Posts: 25,898
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At your Cummins dealer, but it can cost several thousand dollars as an upgraded warranty is included.
Quote:
Originally Posted by powerboatr
hmmmm
where can i find such a person
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__________________
Adios, Dirk - '84 Real Lite Truck Camper, '86 Wilderness Cimarron TT, previously 4 years as a fulltimer in a '07 DSDP
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12-03-2011, 03:54 PM
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#7
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Senior Member
Join Date: Apr 2011
Posts: 2,569
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Quote:
Originally Posted by Perry White
You know, all you had to do is find a Cummins man with Pro Plus license for Insite and an INCAL DVD and it takes 10 minutes to reflash the ISL up to 450HP.
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Had this done on our previous coach, 370 Cummins in 40ft AC. Major difference in torque and big jump in fuel mileage!
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12-09-2011, 07:43 PM
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#8
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Senior Member
Join Date: Apr 2007
Location: Utah/Florida
Posts: 349
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I have the 450 ISL 9. It has more torque and the mileage is definitely better. Almost a mpg better. The mid range is really good . My 40 footer running a 65mph will tach 1650 and my mileage runs from 8.7 to 9.2mpg. I like it !
__________________
2011 Tiffin Allego Bus 40QXP
450 hp Cummins ISL 9, Powerglide chassis
Toad, 2011 Honda CR-V
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12-10-2011, 06:30 PM
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#9
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,452
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I can't help finding it but sure would like a picture when you do and a report. I have a heavy 40 footer and could use some extra power. I changed my engine fan out and gained 1/2-1mpg and a definite increase in acceleration.
__________________
Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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12-10-2011, 06:38 PM
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#10
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Senior Member
Join Date: Apr 2011
Posts: 2,569
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YC1, are you a side radiator? And if you are, what fan brand and where did you find it? $ amount if you don't mind. Also is your fan continuous or on when needed?
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12-11-2011, 11:31 AM
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#11
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Junior Member
Freightliner Owners Club
Join Date: Dec 2011
Location: Nipomo, CA
Posts: 15
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Cummins ISL 400
Thanks for all your input. Finally have solved my problem. It appears as if Cummins changed the fuel sensor adaptor plug. In previous years, the fuel rail sensor was located at the back end of the fuel rail (toward right-side rear of motor) and connected with a Bosch adaptor plug. The current location of the fuel rail sensor is at the center of the fuel rail and has a Deutsh adaptor plug. With the right adaptor, the installation becomes a whole lot easier.
The manufacturer claims an up to 25% gain in horsepower, torque and fuel economy with increased performance without predicataable harm or damage to engine or running gear. The module is produced by Diesel performance, a German company www.dieselperformance.com. I purchased the module from Parleys diesel performance (www.parleysdieselperformance.com) for $799.00 including shipping. Both organizations have been very good to work with and have been quite helpful and patient in working me through this issue.
With respect to the Cummins upgradeto 450 HP, all I have been able to determine is there is little appreciable gain in torgue, fuel economy or performance to warrant the cost of conversion.
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12-11-2011, 05:41 PM
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#12
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,452
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Quote:
Originally Posted by 336muffin
YC1, are you a side radiator? And if you are, what fan brand and where did you find it? $ amount if you don't mind. Also is your fan continuous or on when needed?
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Rear radiator, Source engineering, about $600 delivered. Sound reduction was phenominal.
__________________
Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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12-11-2011, 05:59 PM
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#13
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,452
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Any chance you have a picture of the location on the engine where it is installed. If it really makes a noticeable difference as did the fan I would spring for it. Pulling a 5K lb H3 up a hill is ok but I don't set any records. I found it for 600 on another site. Keep us posted.
__________________
Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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12-12-2011, 10:26 AM
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#14
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Junior Member
Freightliner Owners Club
Join Date: Dec 2011
Location: Nipomo, CA
Posts: 15
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Reply to YCI
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