Safe Performance

Safe Performance

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Photos from Safe Performance's post 11/04/2026

We had Cades Tb48T GQ in this week for a retune after his last engine broke a ringland.

The car has the following modifications.

Haltech platinum tb48 plug in
Cast low mount manifold
3582 turbo (we believe)
4" dump to a 3" exhaust
4" snorkel/airbox
Bosch 980cc injectors
Tuned on 98 oct fuel

We dialled the tune in on wastegate pressure and then wicked the boost up to 10 psi.
The car made 227kw and we think it is suffering from an inlet/exhaust restriction or the turbo is smaller then we think as we had to strangle the boost controller to get there.

With the number 1 priority for this car being reliability and fuel economy, we were not concerned about the power figure.
The car is an absolute torque monster and makes 5 psi at 1500rpm so its perfect for what the car gets used for.

With the engine now no longer suffering from detonation it should live a very long and happy life, well as happy as it can be on limiter in a bog hole.

Photos from Safe Performance's post 16/11/2025

This week we had Liam's immaculate NIZPRO built bf f6 in for a health check after being tuned elsewhere.
The car came in with the factory boost control disconnected and a boost T in its place,
Cruise control not working and the car being super lazy to drive.

We got to work throwing the boost T in the rubbish bin and refitting the factory Solenoid, flashed the car back to stock.
After a complete S.P retune the car now rips how it should with cruise control working how it should.
We found the limit of the wastegate spring as you can see on the dyno chart.
Boost peaks at 25 and falls off to 23 up top.

The car has the following items fitted to it,

Nizpro built engine
T56 with extreme twin plate clutch
Nizpro 4" exhaust
T51R turbo charger
Twin 044 surge
ID1700cc injectors
Nizpro plenum
Nizpro intercooler and piping
S.P custom E85 calibration
If it was in the nizpro catalogue, this car has it.

We will be organising a few more wastegate springs for Liam next week which will be followed by a retune.
Hopefully we can crack 550-600kw.

There's not many of these cars left in this condition, we are greatful to be given the task of tuning this absolute glamour.

Photos from Safe Performance's post 09/11/2025

We had Michaels early RG Colorado in this week to have the maf issue rectified after he had fitted an aftermarket airbox and snorkel.

We also completed a custom calibration for him tailored to suit his lifestyle.

We ran it up in stock trim and it produced 97kw and 410nm which is very healthy considering it was on 33" tyres.

We got to work dialling in the calibration which resulted in a best of 115kw and 502nm after letting the car cool down.
With the car completely heat soaked it still made an impressive 111kw and 480nm.

We have picked up 80nm from the moment you step on the loud pedal which has transformed the way it drives.

We also had to sort Michael out with a hard cut rev limiter, for scientific reasons of course.

The car now has no more limp mode issues and drives how it should of from the factory.

Michael was wrapped with the results and how the car now drives.

If your sick of your Colorado driving like a wet sock,
Book in now and we can tailor a calibration to suit your every need.

Photos from Safe Performance's post 28/09/2025

We had Edwards budget ea sleeper in for some Safe Performance keyboard slapping and boy it didnt disappoint.

The car was built with stuff Ed had laying around and it has turned out great,
With it sporting a lot of basic parts it has absolutely no issue deleting tyres at 100+kmh (in mexico of course)

The car consists of the following;

Bf na engine (1r23 rods)
Valve springs
Ba na ecu
Head studs
Antz gtx3584
China external wastegate
Bosch 1150s
Walbro 525lph
3.5" full exhaust
Boost T
Stock btr and converter
S.P custom E85 calibration

with the original goal being 350kw, we have smashed it for six with 367kw while still being fairly kind to the spaghetti rods.
If it had electronic boost control we could of potentially made 390-400kw if the boost stayed flat to the rev limiter.

Ed has built the perfect sleeper and weekend cruiser that wont draw unwanted attention from the boys in blue.

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Melbourne, VIC