DieselPowered

DieselPowered Provider of vehicle tuning, and performance enhancing services.

It's a bit ghetto but had an me9.0 to try and clone, bench service mode was a no go so a strip down and bdm read it is!
05/04/2026

It's a bit ghetto but had an me9.0 to try and clone, bench service mode was a no go so a strip down and bdm read it is!

Haven't done one of these pictures in a while so let's have a go.1.6 CDTi Vauxhall Astra stretching it's legs with a cus...
14/03/2026

Haven't done one of these pictures in a while so let's have a go.

1.6 CDTi Vauxhall Astra stretching it's legs with a custom tune

We are absolutely busy atm, apologies if we are slow with comms :( lots to do do

Haven't done this in a while.... Socketing msa15 ECU
22/02/2026

Haven't done this in a while.... Socketing msa15 ECU

Happy Christmas everyone, thanks for a very interesting 2025 and I hope to see you all for another round of 'how much bo...
13/12/2025

Happy Christmas everyone, thanks for a very interesting 2025 and I hope to see you all for another round of 'how much boost will my turbo take' in 2026 🍺🍺🍺

That said, we're not quite done for 2025 yet, but we would like to wish you all a fantastic period 😀

12/12/2025

Just a quick one - we have had an absolute tonne of enquiries (thank you!), and we're trying to work the diary in a way that fits everyone in.

I have tried (and still am) to ensure everyone gets a response in a reasonable timeframe but I have been doing acrobatics to do this - if you're still waiting, and hopefully you won't be for long - thanks for bearing with me :)

Interesting one - a 're' remap on a 1.9 PD 105PS Golf - basically to tune a vehicle that had already been remapped ove...
06/12/2025

Interesting one - a 're' remap on a 1.9 PD 105PS Golf - basically to tune a vehicle that had already been remapped over a decade previously.

Existing tune (not ours) wasn't bad at all, sensibly written - car had just had a lot of miles on it since then so boost control wasn't as good as it used to be, power was a bit down from previous dyno run and as you can see from the stock run power delivery was a bit all over the place.

So over 7-8 revisions (that's what custom tuning actually means) we got it sorted out and a few more horsepower as well, though HP ultimately wasn't the goal and was more to ensure everything was as good as could be.

Runs are a comparison between our starting point and finishing off, started with 137bhp and ended with 142.

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HYBRID TURBOS - In other news, as the festive season lands and you might be wanting to treat yourself with some car toys. Nothing wrong with that.... a bit of consumer advice though.

If you are going all in on a turbo upgrade (which is a substantial investment) please do your due diligence. This might seem like a nitpick but the sentence 'rated to 300bhp' is NOT really a rating (in my book) without something backing it. This is to avoid getting something that doesn't actually realistically meet your needs.

The something 'to back it' it could be something along the lines of tech specs (zzyyxx sze inducer, exducer and AR ratio), specific boost recommendations (a turbo builder should be able to guide).

I actually made a rule of thumb formula for engines of around 2.0 (its very much a simplified guide so engineers don't shoot me) but actually holds well across multiple cars and that is: boostpressure(bar) = (power / engine size) / 55 - and thats for a small amount of smoke. You don't have to be bang on but you should be close, and if you are getting a figure miles from the turbo seller you need to be consulting them or me for advice or a sanity check.

It's a great industry, and it's not limited to turbos but people will use, repeat and extropolate on hearsay and pub figures etc, so I'm just advising you do your homework to maximise your chances of actually getting to where you want to be 🙃🙃🙃🍺

VW 1.6tdi CAY engine on our dyno - started with a measured 104bhp and finished with 147 - thats a 41% increase in power ...
20/11/2025

VW 1.6tdi CAY engine on our dyno - started with a measured 104bhp and finished with 147 - thats a 41% increase in power :)

Love tuning these....

'scuse my hairy arm this is about as much as you'll ever see of the Mercedes ML350 ecu before you get it in your handsNo...
29/10/2025

'scuse my hairy arm this is about as much as you'll ever see of the Mercedes ML350 ecu before you get it in your hands

Nothing picturesque at all - in for a minor mod (EGR) which we've actually done rather a lot of over the last week.

Apologies for all those waiting for responses I am very behind schedule and working to clear comms backlogs :)

Another dyno graph - Honda 2.2 Diesel getting a bit of a tune up - gone from 156 to 201bhp and 348lbft of torque with a ...
26/10/2025

Another dyno graph - Honda 2.2 Diesel getting a bit of a tune up - gone from 156 to 201bhp and 348lbft of torque with a software adjustment.

On a side note, and I hate to be a bit negative again (last time I hope) - I have had to delete a few comments over the last 48 hours or so from people who have been posting up their own graphs from different tuners to criticise my results, guessing wheel figures (my graphs dont show this but my system does log them - your guesses are wrong) and basically asking why I didn't make more power.

In some contexts the questions are valid - normally in the form of agreement between myself and the customer (some give me stipulations such as low smoke, only safe boost etc) and I am fully aware that the way this industry works often tuners see 'higher graphs as better' - this is a bit of a narrow-minded view in my opinion, it doesn't factor in everything you need to (for example I've recently done a few tweaks for people who were tuned elsewhere who have since received section 59 notices for their smoke output and nearly had their cars taken away) and there are a multitude of technical reasons why I don't subscribe to the 'my maps are no good unless I get the highest figures' brigade.

Also, even if this conversation was warranted - this isn't the forum for such a discussion - that would be an actual forum. This is my business page where I log what I get up to, so anyone who is interested can see - it's basically advertising. If you don't want what I offer that's totally fine, I don't particularly want to be put under undue pressure to blow everyones cars up for the highest numbers anyway.

If I got a pound for every 2 hour conversation I had explaining the exact details why not every 10-15 year old 100,000k+ mile car gets the highest figures, I'd not be tuning today I'd be well retired. I'm also knocking on a bit myself and this whole w***y waving 'some tuner got xxyyzz why did you only get 112233' is yawn inducing, especially when it comes from someone who isn't and is never likely to be a customer.

It takes time to reply to such things, and from my perspective it's just easier to delete them which is what I'll do from this point on.

Sorry if this seems a bit harsh, but we work hard, and we give very honest maps with very honest graphs of what our tune did. Sometimes cars go better than others and sometimes we post up cars that didn't do so well either, because that gives an honest impression of how tuning cars sometimes goes, often we have to fix a lot of unknown faults before we can tune a car and this all has impact.

So yeah, it's a case of sorry not sorry but if you post up anything antagonising, or provoking war between tuners etc it will disappear and not be interacted with :)

25/10/2025

Just a (perhaps not so) polite notice that if you've come for an appointment, and you've come earlier than either the stated time or my opening time, I really don't need a string of phones calls or texts to outline the situation.

You've been given a time slot and I do stuff outside of work :)

Dyno plot of a recent 1.9PD with a GTB2260 turbo making 272bhp and 391lb/ft of torque 😀
22/10/2025

Dyno plot of a recent 1.9PD with a GTB2260 turbo making 272bhp and 391lb/ft of torque 😀

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