VY Flash ECU for Turbo

Holden/Delco Tuning. ALDL, OBD 1.5. Circa 1989 to 2004.
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Joined: Fri Feb 23, 2018 4:18 pm

VY Flash ECU for Turbo

Postby Gerry.M » Mon Feb 10, 2020 8:06 am

Hi all,

I'm after some advice on which direction to go in with my V6 VY (n/a) which I intend on turboing sometime this year.
At the moment I'm trying to do as much research as possible and think I have a fairly good idea of what I need to do, but am a bit stuck now on using the flash based ECU.
From reading through all the topics I can find related to VY's and their flash based ECU's on this site, they sound like a p.i.t.a :)
- Flashing can brick them if not done right
- Lots of noise on the bus can make it hard to log the data you actually need
- Not real time, so if I take it to a shop to get a tune would they be willing to sit there and reflash it with each change etc

I'm happy to play around with it myself to do the initial tune, but figure it would be better to put it on a dyno and get a professional tune at some point which is why I made that last point.

So my question is should I move ahead with this car/build with the intention of using the Delco ECU, or look at alternatives? Have many others done a turbo in a VY with the factory ECU, and if so what are your thoughts?
Failing that, what is involved in plugging in a 3rd party ECU in a V6 VY?

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Re: VY Flash ECU for Turbo

Postby delcowizzid » Mon Feb 10, 2020 2:34 pm

You can repin the plugs to suit an l67 vt vx vy ecu and run the 1s enhanced vy l67 tune on the nvram setup from here if you want real-time tuning it will speed up your tuning process a lot and the tune is a pretty good starting point
If Its Got Gas Or Ass Count Me In.if it cant be fixed with a hammer you have an electrical problem

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Re: VY Flash ECU for Turbo

Postby 0081 » Mon Feb 10, 2020 9:51 pm

If you are going to get a shop to tune it you are best to talk with them as not all shops will tune all kinds PCM's when it comes to the delco.

I run a flash PCM on a heavily modded L67 and the only pain is the non real time. It's not all that bad just not ideal.

I have not bricked one in hundreds of flashes

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Re: VY Flash ECU for Turbo

Postby Gerry.M » Tue Feb 11, 2020 8:15 am

Thanks both for the replies.
@0081 - Yep, reading more on the subject, I'm more confident than I was yesterday and am happy to continue down this path.
I found some of the existing enhanced tunes on this site which may suit what I need (at least as a starting point) which is good so I'll look at those


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