Ultimate delete DISCUSSION (not argument) - Page 2 - Chevy Colorado & GMC Canyon
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post #21 of 687 (permalink) Old 03-12-2017, 09:44 PM Thread Starter
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Ok, I was just looking at Motor Ops site and wondered if they were doing delete tunes wroth Duramax Tuners' tunes. I noticed the tune descriptions they had were verbatim from Duramax Tuners.

So you are using the Spade device? Which is an EFI Live Autocal unit, right?

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post #22 of 687 (permalink) Old 03-12-2017, 09:49 PM
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Originally Posted by KMW View Post
Ok, I was just looking at Motor Ops site and wondered if they were doing delete tunes wroth Duramax Tuners' tunes. I noticed the tune descriptions they had were verbatim from Duramax Tuners.

So you are using the Spade device? Which is an EFI Live Autocal unit, right?

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Yes and I have the dsp4 switch.


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post #23 of 687 (permalink) Old 03-12-2017, 09:56 PM
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Ultimate delete DISCUSSION (not argument)

Quote:
Originally Posted by KMW View Post
Ok, I was just looking at Motor Ops site and wondered if they were doing delete tunes wroth Duramax Tuners' tunes. I noticed the tune descriptions they had were verbatim from Duramax Tuners.

So you are using the Spade device? Which is an EFI Live Autocal unit, right?

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Yes I have the DT spade and the dsp4 switch. I do like their tunes and the choice to change. I rarely use anything but the #3 though. Yes it is a efi live autocal product.


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post #24 of 687 (permalink) Old 03-12-2017, 10:07 PM
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Here's a question/thought. In order to "save" the warranty if you want to do a delete without having to do a program thru the ecm. Has anyone ever looked into tricking the pressure sensors before and after the dpf with a simulator. So the truck thinks it's still there and is clean but in reality it is removed. Some thing similar to this. I have a 99 Z28 with the cats removed but in order for that to work I put in O2 sims for the rear ones.
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post #25 of 687 (permalink) Old 03-12-2017, 10:21 PM
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And then do what with the def and diesel injectors?
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post #26 of 687 (permalink) Old 03-12-2017, 10:30 PM Thread Starter
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That could possibly work for the DEF, maybe? If you were able to feed the ECM the right information so it would just not use amy DEF. I'm not sure if the DEF is a constant thing, or if it only activates under certain conditions.

The DPF would not work this way though. You very likely could come up with something to plug into the harness to simulate the sensors and fool the ECM into thinking the filter was always clean, so it would not do a regen. However, if you leave the DPF in, it would then just plug up with soot over time. If you're not running regens, then you must remove the DPF.

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post #27 of 687 (permalink) Old 03-12-2017, 10:41 PM
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Quote:
Originally Posted by Heavyhitter81 View Post
Here's a question/thought. In order to "save" the warranty if you want to do a delete without having to do a program thru the ecm. Has anyone ever looked into tricking the pressure sensors before and after the dpf with a simulator. So the truck thinks it's still there and is clean but in reality it is removed. Some thing similar to this. I have a 99 Z28 with the cats removed but in order for that to work I put in O2 sims for the rear ones.
What would be the point in that? If it's gone it's gone. What difference does it make to fool the ecu it's not like you have a place in your new exhaust for all the sensors anyway?

Also it cant be "fooled" in order not to fire the injector needs to be disconnected. Even if the DPF pressure sensor is plugged in to an exhaust without a DPF it wont ever register a restriction but a regen will still be triggered based on mileage and/or estimated fuel consumption so as long as the injector is connect it will try to fire it to start a burn and then that'd be all bad. And since you have to disconnect it to stop it from firing you'll then get a check engine light, which is why you need to use the delete tune to stop that error from showing.
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Last edited by lqdchkn; 03-12-2017 at 10:46 PM.
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post #28 of 687 (permalink) Old 03-13-2017, 05:15 AM
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Here I am... Subbed... Lemme catch a few z's and I'll get caught up

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post #29 of 687 (permalink) Old 03-13-2017, 05:16 AM
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Quote:
Originally Posted by Heavyhitter81 View Post
Here's a question/thought. In order to "save" the warranty if you want to do a delete without having to do a program thru the ecm. Has anyone ever looked into tricking the pressure sensors before and after the dpf with a simulator. So the truck thinks it's still there and is clean but in reality it is removed. Some thing similar to this. I have a 99 Z28 with the cats removed but in order for that to work I put in O2 sims for the rear ones.
Can't be done

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post #30 of 687 (permalink) Old 03-13-2017, 11:04 AM
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Curious about thinking beyond the near term results and improvements to the point in time when selling or trading for a newer truck is desirable. Trucks do not last forever and we all like to have newer models with feature improvements. Will the modifications decrease resale value? Will the sale be difficult when needing to disclose condition?

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post #31 of 687 (permalink) Old 03-13-2017, 11:11 AM
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Originally Posted by njacobsen View Post
Curious about thinking beyond the near term results and improvements to the point in time when selling or trading for a newer truck is desirable. Trucks do not last forever and we all like to have newer models with feature improvements. Will the modifications decrease resale value? Will the sale be difficult when needing to disclose condition?
I don't think anyone can answer that for you man. It's totally going to depend on who your selling it to. I can prolly guarantee you though, that any dealer wont touch it.
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post #32 of 687 (permalink) Old 03-13-2017, 11:41 AM
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Originally Posted by njacobsen View Post
Curious about thinking beyond the near term results and improvements to the point in time when selling or trading for a newer truck is desirable. Trucks do not last forever and we all like to have newer models with feature improvements. Will the modifications decrease resale value? Will the sale be difficult when needing to disclose condition?

In my experience mods done to a vehicle for "trade in" will always net you negative. I have only had one experience with an F150 where I used Roush parts (interior and blower), a quality lift and tires/wheels that it netted me any good.....however, this was a high volume dealer and I am sure they used the truck to bring people in. Almost everytime other than that one they request the truck be returned to stock.

Selling it outright on the other hand you just have to find the "guy/girl" to buy. My last big build was my 2013 F150 FX4, had over $12,000 invested in it. Dealer offered me $36,000 trade in (standards trade in value) and I sold it for $46,000 no questions asked to a guy. Had full exhaust (turbo back), intake, hot/cold side piping, 6" BDS Lift, 35" tires, 20" wheels, fender flares and other exterior mods.

You will NEVER financially justify any modifications to a newer vehicle, unless you have an in with a dealer that is selling new modified vehicles.

Back on topic, I think this topic is great! So close to pulling the trigger and will be nice to hear (in one place) everyone's experience.

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post #33 of 687 (permalink) Old 03-13-2017, 12:12 PM
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Originally Posted by njacobsen View Post
Curious about thinking beyond the near term results and improvements to the point in time when selling or trading for a newer truck is desirable. Trucks do not last forever and we all like to have newer models with feature improvements. Will the modifications decrease resale value? Will the sale be difficult when needing to disclose condition?
They won't take it in on trade... Once the warranty is gone you should disclose that

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post #34 of 687 (permalink) Old 03-13-2017, 12:39 PM
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Originally Posted by KMW View Post
Well, it's sounding like this whole process is actually fairly easy. Seems the hardest part would be just the tuning.

1. Unplug EGR

2. Unplug all sensors/injectors post downpipe, tie up or remove per preference

3. Replace exhaust from downpipe back

4. Deactivate EGR, DEF, and DPF in ECU


If one bought a replacement ECU, and didn't cut out sensors and injectors, it could all be returned to stock with no signs it was ever done, correct?

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Im learning as well and thanks for this thread. Question concerning list above, I saw previous you mentioned to have had a recent regen prior to deleting but shouldn't #1 above be running the delete tune before doing anything else? This may be common knowledge for all but Im just trying to clarify for myself.
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post #35 of 687 (permalink) Old 03-13-2017, 12:41 PM
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Originally Posted by Tufelhundin View Post
Im learning as well and thanks for this thread. Question concerning list above, I saw previous you mentioned to have had a recent regen prior to deleting but shouldn't #1 above be running the delete tune before doing anything else? This may be common knowledge for all but Im just trying to clarify for myself.
Correct... The tune needs to be onboard before you do any deleting... If you set off the tamper system you still have to reinstall everything to clear it

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post #36 of 687 (permalink) Old 03-13-2017, 01:17 PM
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My thoughts on value though.. on the private market, a properly running deleted truck would yield higher return on investment. At least in Hawaii where we don't have smog, the private market is wide open. Main thing is to properly disclose that there is no warranty

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post #37 of 687 (permalink) Old 03-13-2017, 01:33 PM
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Can we set up the forum so every time someone mentions warranty it inserts a pic of a beautiful women (or hansom man if that is your thing)........I would sigh less then when I read this forum :)

2016 Colorado LT Diesel
Red Rock, Sports bar, Black 5" assist steps, EGT and Boost Gauge with custom bezel mount (on order)
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Duramaxtune DSP-4 Tuning (full delete on order)
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post #38 of 687 (permalink) Old 03-13-2017, 01:35 PM
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You can unsubscribe if you want... The question was asked in what I though to have been compliant to the OP request regarding this thread not being an argument thread lol... So I answered..

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post #39 of 687 (permalink) Old 03-13-2017, 01:57 PM
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Originally Posted by KMW View Post
I know this is talked about in several other threads from various angles, but I thought it would be nice to have a dedicated spot for discussion and education about deleting, now that there are a few members here that have done it, and others interested in it.

We all know that the system is required by federal EPA standards. We all know that modifying/altering/removing the system is prohibited under these federal laws. We all know that modifying/altering/removing the system will absolutely void any factory warranty as well. We get it.

Since we all know and understand these facts, it would be great if those who are against this type of modification would refrain from posting the obvious objections here, and leave this thread for those who accept the risks/consequences of this type of undertaking. Please?

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You can unsubscribe if you want... The question was asked in what I though to have been compliant to the OP request regarding this thread not being an argument thread lol... So I answered..

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OP Clearly stated the objective, questions regarding warranty should be ignored and not expanded upon. :)

I know you mean well, just between the warranty and GDE tuning I get tired of reading it.
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Red Rock, Sports bar, Black 5" assist steps, EGT and Boost Gauge with custom bezel mount (on order)
AFE Magnum Intake and Bladerunner Hot/Cold side Kit
Duramaxtune DSP-4 Tuning (full delete on order)
AFE Rebel side exit turbo back w/ Black tips (on order)


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post #40 of 687 (permalink) Old 03-13-2017, 01:58 PM Thread Starter
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Originally Posted by njacobsen View Post
Curious about thinking beyond the near term results and improvements to the point in time when selling or trading for a newer truck is desirable. Trucks do not last forever and we all like to have newer models with feature improvements. Will the modifications decrease resale value? Will the sale be difficult when needing to disclose condition?
This is why I would remove everything in such a way that it could all be bolted back on and plugged in. While I plan to keep it "until the wheels fall off" as they say, I also know life happens and things change. And you never know when testing rules might expand and I'll have no choice. I like to avoid burning bridges whenever possible.

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