This Astravan with Z20LEH engine, steel rods and GTX2867 garrett build was brought in for mapping and full rolling road set up. The map it was brought to us with (which was not our software) was checked first and shown to be running 320bhp, with some fuelling and ignition timing issues. We switched to a […]
Tag: Garrett Turbo
Astra VXR GTx3076R Development…… 559bhp & Video
Further Development of this car has seen us change the turbo to a Garret GTx3076R along with a custom made 100mm diameter inlet pipe. Target BHP was something on the right side of 500 BHP. With 99 octane UK pump fuel we saw 525 BHP but this was on the limit of our UK fuel […]
500bhp Astra VXR GTx3076R
Courtenay Sport mapped Garrett Conversion. The brief was to achieve 500bhp from the mapping and the customer had prepared the car with a Garrett GTx3076 turbo, tubular manifold, 76mm exhaust, 90mm air flow meter, 680cc injectors, High Flow Inlet Inlet Manifold, Courtenay Klasen cams, Forge Race Intercooler, Mocal Oil Cooler, Sachs Uprated Clutch and Uprated […]
Brutal VXR – 479bhp Astra VXR
The latest issue of Total Vauxhall (March 2012 Issue 133) features Wayne Townsend’s 479bhp Courtenay Sport build Astra VXR, covering a total of 8 pages. The car has been bespoke mapped and set up on the rolling road to the spec of the car and the spec on this car is huge; V Band Cast […]