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I believe the answer is yes, FS V3 is designed to only work with S&T V8.

I don't believe the added security changes this, it's still an E92 so this should be possible.

Do you have EFILive? If so, read the tune out (you'll need a Controller Authorization code to do so),...

First step is to buy a wideband, without one, you're shooting in the dark as far as what your actual fueling is.

The 97-98 PCMs are super limited and you have to deal with a Secondary VE table...

I'm not that familiar with the E82, so there may be other scenarios I'm not aware of. The only vehicles I see using this ECM are 3.6L V6s in a few platforms, none of the V6s appear to have AFM. There...

Merry Christmas!!

I ended up going that route over the summer, ended up buying a Ford Edge. I've owned 3 cars in my life until it, all 3 were Chevrolets.

COS5 is not available on 1MB PCMs that use green/blue connectors, only 512kb ones that use red/blue.

Can you post a log of it happening as well? I see your TCC lock/unlock appears to be set correctly based on your description. Do you have different tires or gears and have you accounted for them in...

Post your tune and I'll take a look. If it's staying locked above a certain speed, it's likely due to the TCC lockup table settings. The "hurdle" is getting a truck OS to stay locked at all under 0%...

What vehicle and PCM/TCM? It is a separate parameter from the TCC lock/unlock tables. I believe all truck OS' unlock at 0% TPS while car OS' stay locked at 0% TPS. Depending on PCM/TCM, the...

I use SPS to tell me what OS' should be used as there are some oddballs out there. I looked at 2 2008 2500HD 6L gas VINs, each had a different ECM OS' so you'll need to look the OS up by VIN on SPS...

If all factory, it'll be an LY6 and E38 ECM for 2008 (L96 is the same just has Flex Fuel).

A gauge cluster swap shouldn't matter, swapping ECMs that aren't leaned to the BCM or that have VATS...

I think that'd work Paul, think just being able to specify the root location of the current V8 folder that currently sits in Documents would solve this. EFILive can specify whatever folder structure...

Great to hear, thanks Paul!

When are E78 ECMs planned to be supported in V8?

Glad to hear you've got it sorted out!

It looks like you have 2 VIN licenses available (2 ECM/PCM, 2 TCM licenses. 1 ECM/PCM + 1 TCM = 1 VIN license).

When you go to flash your ECM/TCM for the first time, you have to assign one of the...

I think 06 is when GM switched the pedals and TAC from 03-05. Unfortunately EFILive doesn't offer a COS for 06-07 LS1B controllers, so to use an 05 OS you'll need to swap a few hard parts and make...

It doesn't matter, just put "sane" values in the Boost VE table and other COS tables then be on your way. The PCM will simply never get to the crossover point to use the Boost VE table in your case....

Honestly right now I don't believe there's any reason to not just go straight to COS5. It has everything the other COS' do and more, so why not just use it?

It's probably behaving this way because...

You'll need to make sure the base OS you use is setup for your wiring/vehicle config. The COS upgrade doc for the LS1 has a lot more information and detailed step-by-step how-to, including what to...

The ability to add a Valet switch to the LS1B PCM is only enabled with an EFILive Custom OS, so yes, have to use a COS. GM's factory OS does not have this code in it.

That's a custom BEN you either have to create yourself or download from one of the tutorial threads. It is not in the EFILive software by default.

Yes, absolutely no reason you cannot, as long as the base OS is correct.

This is an 08 Corvette manual tune which will not support VVT and the tune is not setup for it either. I downloaded a stock 08 Vette tune from the DropBox (click here) and compared it to your tune....