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Diesel Fuel Economy and chips

391 messages,  Last post on Oct 28, 2009 at 4:28 AM

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What is this discussion about? Ford F-250 Super Duty, Chevrolet Silverado 2500HD, Dodge Ram Pickup 2500, Ford F-350 Super Duty, Chevrolet Silverado 3500, Dodge Ram Pickup 3500, GMC Sierra 2500HD, GMC Sierra 3500, Fuel System, Performance Mods, Fuel System, Diesel, Fuel Efficiency (MPG), Truck

#128 of 391 Re: First time Dodge Cummins owner... need help! [deiselden] by jaybird8 Feb 01, 2006 (8:52 am)
Replying to: deiselden (Feb 01, 2006 8:21 am) thanks deiselden!! it does make sense   Locking hubs... are these like the red dial that came with my '93 toyota truck? where you have to get out and turn dial on the wheel? if so, how does that work with the factory wheels?   Chips... increased HP isnt as important as fuel economy to me, however if the chip means better fuel economy and a bonus of more HP thats fine with me. would you still recommend getting the quadzilla? thanks! Replies to this message: jaybird8 (Feb 01, 2006 8:56 am) jaybird8 (Feb 01, 2006 9:50 am) deiselden (Feb 03, 2006 11:13 am) deiselden (Feb 03, 2006 11:48 am)
#129 of 391 Re: First time Dodge Cummins owner... need help! [jaybird8] by jaybird8 Feb 01, 2006 (8:56 am)
Replying to: jaybird8 (Feb 01, 2006 8:52 am) deiselden: i also forgot to ask... do you know a general price for after market locking hubs? and what manufacturer would you recommend for that? thanks again Replies to this message: jaybird8 (Feb 01, 2006 9:50 am) deiselden (Feb 03, 2006 11:13 am) deiselden (Feb 03, 2006 11:48 am)
#130 of 391 Re: First time Dodge Cummins owner... need help! [jaybird8] by jaybird8 Feb 01, 2006 (9:50 am)
Replying to: jaybird8 (Feb 01, 2006 8:56 am) And what do you think about the "eliminator" from SPDiesel? Replies to this message: deiselden (Feb 03, 2006 11:13 am)
#131 of 391 Re: First time Dodge Cummins owner... need help! [jaybird8] by deiselden Feb 03, 2006 (11:13 am)
Replying to: jaybird8 (Feb 01, 2006 9:50 am) Eliminator - I have no idea about the chip. I do know that it seems more difficult to go into your brain and take a chance of static electricity hitting your original card vs. just plugging in chip to your fuel rail. On the hubs - the only information I found was hubs for late year models up to 1993. I will ask the friend of mine what year model and where he purchased the hubs. Quadzilla - yes I would still recommend this chip. I rode in a Ford 6.0 with a Quadzilla race chip yesterday and was very impressed! He can actually put his dually in 4wd and smoke all the tires. I know that I or few others would need to try this, but I did think it was impressive for a dually to be able to do this.
#132 of 391 Re: First time Dodge Cummins owner... need help! [jaybird8] by deiselden Feb 03, 2006 (11:48 am)
Replying to: jaybird8 (Feb 01, 2006 8:56 am) It looks like the locking hubs for newer year models are dealer only. Seems strange, but that is what Warn stated.
#133 of 391 Re: First time Dodge Cummins owner... need help! [jaybird8] by roughneck Feb 13, 2006 (10:41 am)
Replying to: jaybird8 (Jan 31, 2006 12:05 pm) I have also heard of the cummins motor at 30,000 miles or so u can take it to the dealer and have them adjust the valve timing or something like that. But not all dealerships have the machine to do it. I have heard the state that I live in has only one machine in the entire state. But it is supposed to give u 2-3 mpg.
#134 of 391 Re: Down side of chips [cflowers] by jimmyjimjim Feb 17, 2006 (3:14 pm)
Replying to: cflowers (Aug 30, 2005 2:41 am) cflowers:   you provided some great info that many of us could benefit from. however, you failed to give us specific info on a number of things such as: the power-module on your rig, and overall the "wise mans" set-up for similar diesels.   many of us understand the general guidelines here, but are totally confused about really successful diesel set-ups. so please ... spare us the incognito crap and give us specifics on your set-up and/or other recommendations.   in closing can anyone out there recommend a simple, and if possible, inexpensive set-up for 2000ish ford/dodge diesels? i want to maximize mileage, run vegetable oil and/or biodiesel and if possible increase hp.   thank you mucho mucho mucho
#135 of 391 The Importance of Fuel Lift-Pump Supply Pressure by heathdiesel Mar 01, 2006 (10:33 am)
The light-duty diesel trucks by GM all feature a lift pump designed to deliver fuel from the fuel tank to the injection system. Their importance to the overall operation of the engine cannot be overstated. Without proper lift pump pressure and delivery flow, the injection system in these trucks will not be able to function properly.   Testing lift pump pressure is a relatively easy task and one, which should be done periodically to assure that the lift pump is healthy.   Heath Diesel produces fuel pressure test gauge kits for the 6.5 diesel and these are listed below.   GM 6.5 Diesel The GM 6.5 turbo-diesel engine found in the ’92-’00 truck, Suburban and step van is supplied by a frame-rail mounted electric lift pump. This pump is powered by a relay when the engine’s starter in engaged and by an oil pressure switch while the engine is running. It is designed to supply the fuel injection pump at a pressure of approximately 7 psi at idle. The more important fuel supply pressure reading, though, is that measured while the vehicle is being driven.   The Heath Diesel Power fuel pressure test gauge kit for these 6.5 vehicles is connected to the fuel filter drain cock which is located near the thermostat housing at the front of the engine. The drain cock features an outlet nipple onto which a drain tube is installed. The HDP Fuel Pressure Test Gauge (Part #HDP1456), features a specially sized hose, which is slipped onto the nipple of the drain cock after the drain hose is removed.   The HDP test gauge is taped onto the exterior surface of the windshield for viewing while the vehicle. While driving, fuel pressure should not go below 2 psi and should, more ideally, be in the range of 2.5-3 psi.   Heath Diesel Power supplies a Heavy-Duty Version of the Factory Electric Lift Pump (Part #HDP1300). Heath Diesel Power also supplies the relay and oil pressure switches used in these vehicles here.   Feel free to contact Heath Diesel Power with any questions you may have regarding issues you are experiencing with your vehicle. We are always happy to help.   - Bill Heath
#136 of 391 6.0 powerstroke warrenty claims vs. chips? by mphines Mar 01, 2006 (12:39 pm)
whats the normal process w/ a chip{d} truck before service dept. visits. do you remove programming and what if truck is disabled how has ford been w/warranty coverage?? Replies to this message: imafordfan (Mar 02, 2006 6:58 pm)
#137 of 391 Re: 6.0 powerstroke warrenty claims vs. chips? [mphines] by imafordfan Mar 02, 2006 (6:58 pm)
Replying to: mphines (Mar 01, 2006 12:39 pm) My local dealership rejected a blown engine under warranty and said they handed the guy a bill for $15,000+++.   They said the chip caused the engine to blow, and Ford will not honor the warranty.   Ford's current computer isn't smart enough to know if/when a chip was installed, once it's been removed. The tech told me that Ford is changing their software to recognize and record a change to the program.   What's really funny, is that the dealership sells "Chips and Programmers" in their parts department!!!   TJ

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