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In a simplistic way you can do it now with existing software, but you will need a laptop aswell.

What you want to do is run a laptop as you normally would hooked up to HPT.
The laptop must be a...

RAF tuning should be the main area you look at. It is ECT scaled and has a large effect on everything else. So get your STIT and LTIT's near zero at all temps first then look elsewhere

Then he would loose his custom tune.

Do what Frost has said.

If he can't read the controller at all. Then the only alternative I can think of is to get it read by the other LS1 based software...

Pretty much anything to do with idle needs to know air charge volume.

Well I'm pretty sure mathematics concepts haven't changed in the last two years. Yes its Ford related data. But its not hard to convert for GM application.

That's not entirely true. You can retard timing in real time, just not advance it. But HPT doesn't support it anyway, only the other E38 brand tuning suite.

That is true. But what your failing to also consider is a MAF does more than just apply data to resolve fuelling. Funnily enough an Air Flow Sensor is also used for measuring Air Flow for Air Flow...

That data was from the manufacturer. Pretty sure the injectors didn't magically change over time.

2008.. What's your point.

You can calibrate that you know. The process is in your owners manual.

For -3% I wouldn't even worry about it.

Why would you change your MAF table when you change injectors? The main thing you guys have to learn is to not screw with things that haven't changed. In this case injectors. You haven't changed...

The LC1 does not read as low as 10:1. It reads as low as .684 Lambda. which is 10:1 for Gas but is 6.630 for E85.

Thats the first negative feedback I've heard about them.. Each to their own.

Are you trying to get Lean Cruise going? Won't work buddy. You need EFI LIVE to do what your trying to do.

The screen helps alot. Descreening MAF's is a silly thing to do anyway as everyone should already know, the reason it is so bad at idle is that the air speed is low and turbulent. Screens help...

My god you are an absolute Moron. The WB puts out a voltage that represents a lambda value. The tuning software then converts that to an AFR. Hence you change that factor if your using a different...

Depends on the controller. E38's are picky and you can't screw around with OS's to much.

0411's couldn't care less what the VIN is and more often than not what OS you use either. For example I'm...

Are you serious?

Fuel Control
General
Air Fuel Ratio
Stoich AFR (Enter the AFR for the Fuel)

Yes and no. No you will not have o2's providing trim updates. But yes the currently stored LTFT's will be applied.. Pretty sure it doesn't ignore LTFT's anyway, but I can't recall the last time I...

Just get rid of the MAF all together. As mentioned earlier, its not possible to stagger between MAF and SD. For large cammed engines like LSxpwrdZ has. I use a combo of SD and Alpha Z based TPS...

Haltec has been around for years. Nice to see they have a compact dual sensor controller on the market. No digital Comms out of the Haltec's WB though is a massive turn off for me. Its good to hear...

In theory yes you could simply change the stoich value and all would line up. The reality is that it won't be 100% bang on due to other aspects of changing the fuel. ie energy content, MBT timing...

One thing I've always found with VE's is that you get better reliability if performing all your flashes and even reads with only acc on rather than ign on.

To the OP. The flash sounds like its...

I've been using a Dell Mini for years. As above just download the software and install from there (your CD is more than likely out of date anyway).