Got my car tuned with UpRev

theDreamer

Usually around 600 or more, you buy the cable (software is free) and then the dyno time is usually built into the purchase.

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theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN
theDreamer's Silvia // URAS // GREDDY
Houston Zs // Facebook // Twitter // Instagram

Zsteve

So the $600+ is for the cable and the software is free? And dyno time should be free. Im used to tunes that you just pay $500 and they copy a new file according to your mods to your ECU. Granted they are only 95% of the performance but well worth the price.

If its jsut $600 then I would probably pay that much for 30 more HP/TQ.

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2010 LS3 C6 Silver coupe corvette

G37Sam

I didn't have to buy anything, I just walked in, paid 788, and walked out with 30 more horses haha

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Zsteve

Thats how I would want to do it. But maybe less than $788, more like $600 max.

G37 what was the lowest gain and the avg gain? Im looking more for a consistant number thru all the rpms than a high number.

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2010 LS3 C6 Silver coupe corvette

theDreamer

Well it varies from shop to shop, you should check up uprev.com and find your local tuner and get a quote from them. From what I was told is you can just get a tune & dyno time or you can also buy the cable so you can access it when you want without going to a shop.

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theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN
theDreamer's Silvia // URAS // GREDDY
Houston Zs // Facebook // Twitter // Instagram

Zsteve

Man the closest place is like a days drive for me.

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2010 LS3 C6 Silver coupe corvette

caneman88

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UpRev is in Austin that's where my Z went to get tuned but I did not see 30 more HP but is was a big improvement Jared and Rich and the guys know there stuff.Had my 07 Titan I did see 30 more HP on the Texas Titan

M35 is next on the list

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Zsteve

the before and after dyno were done on the same day?

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2010 LS3 C6 Silver coupe corvette

G37Sam

Within an hour and a half actually

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Zsteve

Since this isnt a a static tune that is the same for all Zs, its really up to the shop tech to get everything right for numbers like this right? So one shop might get it and another might not unless they share notes.

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2010 LS3 C6 Silver coupe corvette

G37Sam

Not all engines are the same, if I upload my map and send it to you, even if you may have the same mods you might not see the same exact gains. My tuner did around 7-8 remaps before walking over to me saying "Sam, I don't think we can squeeze any more out of her"

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Zsteve

Now do the other shops know what he knows and can do the same or better, thats my concern since its not coming from a master database or something like that. I would be fine paying $500 for a tune according to mods even tho it might only be 95% perfect, thats still better than nothing. My other FIs werelike that and they worked great. A couple people spent more money to try and get it to 100% and they only got an extra couple of hp out of the 1K cost. Most CAIs and aftermarket exhaust make about the same gains so it could be feasable but Im not 100% sure due to the vvel.

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2010 LS3 C6 Silver coupe corvette

G37Sam

What does the VVEL have to do with anything?

People are pushing 10 pounds of boost without even touching the VVEL..

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Zsteve

I didnt know if it did or didnt. If we were close I would have the shop copy your map and put it in mine and see how things work, assuming we had the same mods and of course same car. Im pretty sure it would be very close in numbers. Thats why alot of turbo tuners just create several maps according to mods and you just pick and upgrade as you go for free, after buying the initial tune. It was actually more profitable for the shopas they didnt have to do dyno time and still got $500 for a file they downloaded from the main companies database. It took about 2 hours to drive to the shop and 15 mins for the file change and all was good.

I hope uprev is keeping a copy of these maps on file for future references, then they might jsut be able to sell the file without a dyno tune.

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2010 LS3 C6 Silver coupe corvette

IDZRVIT

I was wondering the same myself. The Z comes from the factory tuned for the lowest emissions, agreed? That equates to a very lean running engine which was shown in the base run AFR's ranging from low to mid 14's. Tuners will lower the AFR which will result in a cooler running engine i.e. runs richer and at the same time advance the timing to produce the gains. I expect your particular tuner advanced the timing well in excess of 2 deg and probably throughout the load range to the brink in which the engine will begin to 'ping' at any given load/rpm. That is the point where your power is peaking. I'm not surprised that you gained 30HP which is about a 10% increase from a leaned out engine to begin with imo. I have a Screaming Eagle Race Tuner program for my Harley which lets you play with dozens of variables but basically all you need to to do to get about 90% of the performance from the engine without using a dyno is adjust timing and AFR. There is more than one way to fool the ecu into increasing the fuel into the engine depending upon the variables that allow adjustment. On Harley's, one way is to adjust the volumetric efficiency tables. Increase for an increase in fuel delivery which lowers the AFR. To get the most out of a Harley, the narrow band O2 sensors need to be changed out to wide band. Anyway, the twin cam Harley in essence is a 2 cylinder Chevy small block. Anyway, for the Harley crowd, maps are readily available for downloading free for just about any mods. These maps will get you to about 90% or better performance. I personnaly don't track my car so I wouldn't take it to a tuner and spend say $500 just to gain say 3-5 more HP (90% to 100%) using someone else's dyno tuned map in my ecu. I would be happy with a canned map and tweak by seat of the pants from there. I'm sure Nissan has built in some parameters that can't be exceeded even by a tuner such as timing advance in order to protect the engine. For those who want to tune the engine themselves go for it but you must have a good working knowledge of the inter-relationships for the different variables in the map. If you don't then don't bother with self tuning or you will probably due more harm than good to your engine.

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"America.... still builds rockets!"
Vette: 355 cid, 400 rwhp
'13 CTS-V Coupe: 6.2L LSA, 556HP