16/07/2026
DUAL TUNE CRUISER ON STOCK SQUIRTERS
This one was a journey to get through.
This vehicle came to us for a turbo upgrade and an intake clean to get it back up to scratch.
After fitting the new UFI330 and carrying out the intake clean, we got it next door onto the dyno to start dialing in the tune.
We loaded a base file and straight away knew something wasn’t right. It was only making 240hp and wasn’t hitting our target air-fuel ratio.
A quick look through the logs showed rail pressure was well under target. We started fault finding by running a separate fuel supply to the pump, ruled out the rail pressure valve, and carried out a few more checks.
In the end we pulled the common rail pump apart, and there it was – a broken fuel plunger.
New pump in and we were back on the rollers. Straight away it delivered exactly what we were after and rail pressure was spot on. With a few tweaks and revisions to dial the tune in, we made the exact power and torque figures we were chasing.
CGD PERFORMANCE
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