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Mail Order PCM/ECM/VCM Tunes

Old 10-06-2020, 02:44 PM
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Default Mail Order PCM/ECM/VCM Tunes

Good, bad, ugly - what to expect for my $$$$$?

Project truck I have that is basically stock and looking to upgrade VCM to Tow Haul Mode since it was not available in the Stone Age ******* and in addition the enhancements he has listed below*******


411 & Supertunes ? PCMPOWERTUNES

411 Swap Supertune


per the fellar doing the tune - "Performance you will see at 900 to 1000 rpm and up way better than stock its like night and day and better fuel mileage when not towing"


Old 10-07-2020, 12:14 AM
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Old 10-07-2020, 09:23 AM
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what vehicle are you looking to do it on?

it really all comes dow to the man writing the tunes and if he knows what he is doing! i am not familiar with that company.
Old 10-07-2020, 09:50 AM
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Originally Posted by Rolandt03 View Post
what vehicle are you looking to do it on?

it really all comes dow to the man writing the tunes and if he knows what he is doing! i am not familiar with that company.

99' Yukon 5.7l
Old 10-07-2020, 09:56 AM
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that site seems failry sketchy and cannot find any recommendations or reviews, I'd go with someone reputable in the industry. Have had a black bear tuned truck and it was a nice improvement over stock. I'd give them a call/email, as it appears they do support your 5.7, and could ask about TCM tuning as well as ECM
Black Bear Performance :: Custom Tuning Solutions for 96 and newer GM Vehicles
Old 10-07-2020, 10:14 AM
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So the guy promises more power and better fuel economy? To do both, you would have to increase engine efficiency. To make a change apparent to the driver, the change would have to substantial.

So some guy in a garage figures out how to do this by manipulating only fuel air mixture and ignition timing-no hardware changes, and hopefully without an adverse effect on longevity or drivability?

I suppose it is possible that the original engineers were forced to compromise both power and efficiency for emissions/high altitude/extreme temperature, but mark me down as skeptical.
Old 10-07-2020, 10:36 AM
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To get more power you need more air. Back when that truck was built the controls were allowed to run power enrichment which means open loop at that point and more fuel for peak power.

You may get some different drivability due to trans cal changes but really now power without more air.
Old 10-07-2020, 10:57 AM
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Originally Posted by Rolandt03 View Post
what vehicle are you looking to do it on?

it really all comes dow to the man writing the tunes and if he knows what he is doing! i am not familiar with that company.
Originally Posted by dawgsfish View Post
that site seems failry sketchy and cannot find any recommendations or reviews, I'd go with someone reputable in the industry. Have had a black bear tuned truck and it was a nice improvement over stock. I'd give them a call/email, as it appears they do support your 5.7, and could ask about TCM tuning as well as ECM
Black Bear Performance :: Custom Tuning Solutions for 96 and newer GM Vehicles
Originally Posted by scooperfl View Post
So the guy promises more power and better fuel economy? To do both, you would have to increase engine efficiency. To make a change apparent to the driver, the change would have to substantial.

So some guy in a garage figures out how to do this by manipulating only fuel air mixture and ignition timing-no hardware changes, and hopefully without an adverse effect on longevity or drivability?

I suppose it is possible that the original engineers were forced to compromise both power and efficiency for emissions/high altitude/extreme temperature, but mark me down as skeptical.

Yeah I'm getting a strange feeling since he has asked me to go outside the website to save $50 through PayPal. The 2 choices through PayPal look like this:



Could be wrong but I'm guessing he has had to refund $$$$ before through PayPal to perhaps unhappy customers.











Old 10-08-2020, 06:49 AM
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Proper way is to tune the program on a dyno. I would ask to see the dyno sheet on a truck identical to your truck.
Old 10-08-2020, 09:51 AM
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Thanks for all replies thus far.

Originally Posted by mikefloyd View Post
Proper way is to tune the program on a dyno. I would ask to see the dyno sheet on a truck identical to your truck.
I may give this a go.

Thanks


Old 10-08-2020, 10:14 AM
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Originally Posted by magua View Post
Yeah I'm getting a strange feeling since he has asked me to go outside the website to save $50 through PayPal. The 2 choices through PayPal look like this:



Could be wrong but I'm guessing he has had to refund $$$$ before through PayPal to perhaps unhappy customers.
could be a return thing is why he is requesting that, but also avoiding taxes as well!

this is a huge red flag!!

BLACK BEAR is well known and recognized!
Old 10-08-2020, 10:27 AM
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Originally Posted by Rolandt03 View Post
could be a return thing is why he is requesting that, but also avoiding taxes as well!

this is a huge red flag!!

BLACK BEAR is well known and recognized!

Yes he did mentioned fees.


"Hey guy I can help you out with a full kit ana a programmed ecm .. The
tow haul is built into the tune to work on its own ...you can add a
switch if you like but it sometimes does not work ...also I am offering
an off web discount of about $45.00 so I dont have to pay fees or you
can order off the web"
Thanks
jim
Old 10-08-2020, 10:36 AM
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Originally Posted by magua View Post
Thanks for all replies thus far.



I may give this a go.

Thanks
The current program in my 2020 F150 ECO adds 193.8 rear wheel HP and the fuel mileage went up; but it's a lot easier with turbos. From memory those GM's of that time frame benefit greatly from also adding a high flow cat.
Old 10-08-2020, 11:06 AM
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Originally Posted by mikefloyd View Post
The current program in my 2020 F150 ECO adds 193.8 rear wheel HP and the fuel mileage went up; but it's a lot easier with turbos. From memory those GM's of that time frame benefit greatly from also adding a high flow cat.
did your transmission get any upgrades with that 193 hp upgrade? not sure who did your tuning, however id be cautious with running that much more power through it! just like all the diesel guys, throwing more power is the easy part, not destroying the rest of the truck is the hard and expensive part!
Old 10-08-2020, 03:49 PM
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Originally Posted by Rolandt03 View Post
did your transmission get any upgrades with that 193 hp upgrade? not sure who did your tuning, however id be cautious with running that much more power through it! just like all the diesel guys, throwing more power is the easy part, not destroying the rest of the truck is the hard and expensive part!
5 Star did mine and they have a very good reputation. There's more power in it but then you've got to start changing parts on the motor like injectors, etc and upgrading the transmission and then whatever the next weakest part is. It fun to drive the way it is and I'm satisfied.
Old 10-09-2020, 07:23 AM
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Originally Posted by mikefloyd View Post
5 Star did mine and they have a very good reputation. There's more power in it but then you've got to start changing parts on the motor like injectors, etc and upgrading the transmission and then whatever the next weakest part is. It fun to drive the way it is and I'm satisfied.
ok good as long as its a reputable tuner you should have no problem! most of these guys get a tune in the form of an off the shelf programmer and crank it all the way up! obviously they find the weakest link!
Old 10-09-2020, 09:17 AM
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Originally Posted by Rolandt03 View Post
did your transmission get any upgrades with that 193 hp upgrade? not sure who did your tuning, however id be cautious with running that much more power through it! just like all the diesel guys, throwing more power is the easy part, not destroying the rest of the truck is the hard and expensive part!
Yeah, I remember now why I don't buy used.....
Old 10-09-2020, 02:35 PM
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Originally Posted by scooperfl View Post
Yeah, I remember now why I don't buy used.....
ditto on that, every 2 or 3 years I put mine back to stock and trade for a new one and do it again.
Old 10-11-2020, 07:59 PM
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Have used black bear also very good at what he does. Upgraded my power and towing capability did give up the gas mileage though. Can I have a cake and eat it too?
Old 10-11-2020, 09:16 PM
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Originally Posted by hosenfeffer View Post
Have used black bear also very good at what he does. Upgraded my power and towing capability did give up the gas mileage though. Can I have a cake and eat it too?
You can, but you've got to go diesel to get it. Mine has been tuned and running a +120hp tune for the last 150k miles and has averaged 3mpg better across the board as compared to stock tuning, and obviously a heck of a lot more enjoyable to drive.

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