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Old 11-06-2019, 10:07 AM   #1
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Tuner or chip

what is the difference if any between a tuner and a chip
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Old 11-06-2019, 10:58 AM   #2
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Nothing. Both can do basically the same thing. A chip by the nature of its name needs to be installed. Usually it replaces the OE chip in the ECU.
A tuner is usually plugged into the vehicle via the OBD port and adds o to the OE programming. A programmer can be easily reversed. A chip cannot.
With todays modern engines tuners/chips are somewhat irrelivant. Any HP gains are usually at high RPM, which tow vehicles dont usually need.
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Old 11-06-2019, 11:10 AM   #3
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most of this tuning gain is from timing advancement and may result in you having to run more expensive premium gas.
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Old 11-07-2019, 06:53 AM   #4
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Ford used EPROM or chip dont know if they still do. GM uses OBD2 port and uses software to reprogram or edit the ECM. Not sure about dodge but there prob using obd port id imagine. plug play for car computers.

towing tuning changes usually are trans shift points and increases to line pressure in the transmission to make it shift quicker and firmer lessening heat buildup. but of course many dont like the feel. they want shifting like a cadillac. just as an example.
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Old 11-07-2019, 07:03 AM   #5
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on a turner you can choose from different tunes that best fit your needs, so it is more like a flash rather then replacing the ecu.

www.sctflash.com

pn:7416be (gm)

is the tuner i use with my banks

you download from the web site the tune you want on to the tuner then install it using the obd II port.
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Old 11-07-2019, 08:50 AM   #6
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So has anyone used a tuner and actually had a noticeable difference in fuel (diesel in my case) efficiency while towing or not?
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Old 11-07-2019, 09:40 AM   #7
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Originally Posted by ronjohn99 View Post
So has anyone used a tuner and actually had a noticeable difference in fuel (diesel in my case) efficiency while towing or not?
my class a is gas but you notice the difference seeing how i pass most dp on up hill with my trailer in tow

stock at the crank 340 hp 455 torq
turner at the crank 425 hp 564 torq

stock rear wheel 272 hp 364 torq
tuner rear wheel 342 ho 456 torq

stock rating from manufacturers are taken at the crank
you loose 15-20 percent to the rear wheels (average)

keep in mind both a chip and a tuner are ment to be used with intake, headers,torq tubes and high flow cats
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Old 11-07-2019, 09:52 AM   #8
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Any time you add a tuner/chip or modify your powertrain, there will be consequences. Engineers have fine tuned and tested the motors to the best performance vs durability. If you increase the HP on a motor, you are increasing the risk of trans damage and blowing a head gasket to list a few consequences.
Note - If there was a easy/cheap performance upgrade to be made, engineers would have just added them.
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Old 11-07-2019, 10:34 AM   #9
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Originally Posted by grindstone01 View Post
Any time you add a tuner/chip or modify your powertrain, there will be consequences. Engineers have fine tuned and tested the motors to the best performance vs durability. If you increase the HP on a motor, you are increasing the risk of trans damage and blowing a head gasket to list a few consequences.
Note - If there was a easy/cheap performance upgrade to be made, engineers would have just added them.
all that is true my system was 5k in parts took 2 of us 9 hrs to install
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Old 11-07-2019, 05:20 PM   #10
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I have a full delete on my 2011 Dodge 3500 4x4 Dually, 6.7 diesel. I also have 4" exhaust from the turbo back. I also have the trans tune. I am running a 168 gph Fass fuel system. I have documented 2 to 3 MPG improvement over stock. I'm also setup with 5 mode two which are light and heavy tow.

I have a lot invested but it has paid for itself as far as I'm concerned. So yes, I think they are worth the cost.
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Old 11-08-2019, 03:50 PM   #11
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Quote:
Originally Posted by grindstone01 View Post
Any time you add a tuner/chip or modify your powertrain, there will be consequences. Engineers have fine tuned and tested the motors to the best performance vs durability. If you increase the HP on a motor, you are increasing the risk of trans damage and blowing a head gasket to list a few consequences.
Note - If there was a easy/cheap performance upgrade to be made, engineers would have just added them.


I have been custom tuning for 20 years and disagree. The OEM is restricted alot by the EPA and also they have to come up with something they can warranty for 100,000 miles and pass their endurance testing on the engine dyno and the chassis dyno. They also have to have a calibration that makes kids, moms, grandma's etc all happy driving and arent necessarily concerned about every last hp.

I can re-tune almost anything and make it get better mileage and have more power and not break anything. I quit counting a few years ago but have done over 5,000 tunes so I have a good bit of data.
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Old 11-08-2019, 07:01 PM   #12
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I have been custom tuning for 20 years and disagree. The OEM is restricted alot by the EPA and also they have to come up with something they can warranty for 100,000 miles and pass their endurance testing on the engine dyno and the chassis dyno. They also have to have a calibration that makes kids, moms, grandma's etc all happy driving and arent necessarily concerned about every last hp.

I can re-tune almost anything and make it get better mileage and have more power and not break anything. I quit counting a few years ago but have done over 5,000 tunes so I have a good bit of data.

I worked a career in automotive engineering and those engineers know exactly how their engine will perform under any condition possible. The engineers would love to market their engine with more HP and better MPG but are not willing to sacrifice the warranty. Your modified engine will probably not make a 100k miles and that is a major reason why dealers/manufactures will void a warranty on a modified vehicle. I have no problem modifying a engine/powertrain and I have done it many times myself, just make sure you understand the consequences, cause they are real.
My opinion - I would not consider purchasing a used vehicle that had been tuned/chipped.
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Old 11-08-2019, 11:56 PM   #13
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I worked a career in automotive engineering and those engineers know exactly how their engine will perform under any condition possible. The engineers would love to market their engine with more HP and better MPG but are not willing to sacrifice the warranty. Your modified engine will probably not make a 100k miles and that is a major reason why dealers/manufactures will void a warranty on a modified vehicle. I have no problem modifying a engine/powertrain and I have done it many times myself, just make sure you understand the consequences, cause they are real.
My opinion - I would not consider purchasing a used vehicle that had been tuned/chipped.
My last truck I sold had over 200k miles on it after the tune. My duramax I sold it with almost 300k miles still on the stock trans with a big tune in it and towed a 18k trailer most of its life. My highest mileage truck with my tune is at 900k miles. I tune every vehicle I buy and have sold many with over 100k.
It sounds like you dont understand the tuning side of things. OEM has there hands tied on alot parameters, I dont. They are also calibrating them for the lowest octane fuel, if we max hp we will tune them on 93 octane. Im not saying Im beater than oem, I just dont have my hands tied like they do. Tuning a stock gas vehicle usually ads 15-25 hp, havent seen that break anything yet.
Oem also over engineers most parts, a 2018 ZL1 camaro makes 650hp, I can change the pulley and tune it and make a 100 more hp and not have to change injectors, fuel pump, upgrade trans etc.
Tuning if not done correctly can tear stuff up especially in diesel's, but a good tune isnt going to tear a vehicle up.
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Old 11-09-2019, 08:28 AM   #14
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The big difference is that I don't make a income from doing tunes! I was not aware that OEM's had their hands tied on things like HP and better fuel mileage. In fact the EPA required vehicles get improved MPG and auto companies spend a lot of $$ and testing trying to improve the MPG by even .1 MPG. My new 18 Duramax is rated for 445 HP and it went through some major design upgrades to achieve that increase.


"The new engine block incorporates larger-diameter crankshaft connecting rod journals than the current engine, enabling the placement of a stronger crankshaft and increased bearing area to handle higher cylinder loads"
https://media.gmc.com/media/us/en/gm...ax-sierra.html
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