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Should add, the peak boost (cut) is just a single setting, set at a global level - not per mode/target.

It probably is - I tried to give it as much priority as possible, and wanted the biggest gate I could so I had zero possibility of creep and could control the boost well. Didn't initially realise how much surface area of the gate would affect it... so I put a 3psi spring in it... and it made...

I also guess it depends on the setup, wastegate priority and how well the PID is set up for the solenoid first too... so many variables even down to different ECU vendors. With me using a 60mm gate, it has a massive frontal surface area and is basically straight in the flow of both banks - to...

I didn't see too much variance in boost on the previous setup, maybe half a psi at most - but it's mostly used in these months and never on the road I guess. The closed loop does work well on ECUMaster - it's something to look at, as my resolution is going to drop with the 4 port, so the gate...

Yes it's stable, just the whole 3D base duty cycle table for the solenoid is now off on the Garrett. I was running ~E35 last week, and last time on the dyno tuning ethanol the old turbo wouldn't make more than 5psi on 100% duty cycle (now know it was f*cked). I don't use closed loop boost...

The M2 is on Nitrons and CR-S, with a map, approx 600hp - however it was his first time at Cadwell... and being a confidence track he was not pushing it at all. There is still lots of time in the Cayman, its consistent high 1.3x's round there though. It was the first outing on the Garrett and...

🤣 I've had some big moments everywhere at Cadwell over the years, and still not fully confident around Charlies where I crashed/rolled the E36.. Trying to use up old tyres last week didn't help either! Back to AR-1 on the rear for CSF.

Fun day out, zero issues, perfect weather ✅

So with under two weeks to go, does everyone participating in the track time have their cars ready... ? Hoping we get the same conditions as the Thursday just gone... There were plenty of Clios there - from Mk1s with 197 engines through to 200s, anyone from here thats coming to CSF ? Best...

How things change @JB21 👌

PSA... don't use junk... use the real deal. Normal service has resumed 😎

Great success at Cadwell last week on the replacement engine 👍

It's a good level on both base (wastegate) and 7-8psi, I've added flex fuel over winter so I can run a blended fuel, but ran out of time to get back to the dyno to tune that before the above. My plan this year was to concentrate on the set up more, as it had been good for 6 days in the back half...

Well DET killed it, due to oil ingestion, but also an issue with knock control (which would have prevented it). It's a long story and probably easier to explain at Cadwell in July if you're interested! Spare engine is built up and ready to go in this weekend 👌 Before Oulton, I got it on...

2026 started well 🤡

Venue won me over... also ties in nicely with being on CS for 20 years! 👌

Group B 🐌

No idea why they went as attachments and didn't insert 🤦‍♂️

This thread is ahead of what I've managed to write up so far anyway. Handy it can all be dropped out as a complete setup, few niggles resolved and going back together for 2026 💨

I know who the OGs are 😉 Mad that thread has over a million views now.

Sorry I cant subject the general public to the adverts on here 🤣🤣 It was a different place when I first came here 20 years ago 🤦‍♂️

I'll be doing chronological updates on a new PH thread as and when I get the time in the coming weeks 👍 https://www.pistonheads.com/gassing/topic.asp?h=0&f=47&t=2127715

Done 3x days with the turbo now. These were the most recent two. Been mainly running it on 3psi as its a good match with the E46 (well I keep going past ~6000rpm), with 7-8psi on the button if I want it. Have made more changes, just two more days left this year, but all seems well at the...

Ill probably upload a clip this week 👍 Stock it did 242hp, esentially the book figure for the engine. Then as above, here is stock vs 4psi, albeit with 50C, intake air temperature. Since spent the past two weeks putting together a big cooling system for the charge cooler, with two more...

Mapping happened Track day happened Everythings been hot Changes have taken place - now for a couple more days over the next few weeks 🏁

I'll aim to put something together once the turbo is done and tuned (in a few weeks), i'll post in here wherever it ends up being 👍 Packaging has been interesting to say the least, plenty of thought required but everything worked out...

You could ask, but I dont think they'd even end up selling more than one. From the looks of it, even EBS Racing have stopped offering the 6 speed version. That was around $2k USD at the time. There is very little demand and very few people using proper LSDs. Its the complete opposite end of the...

Hopefully! Its a known thing 3rd gear is a weak point on the 012 but, I have the 3 other boxes worth of individual gear parts and syncros which are compatible 👍