*483 BHP* GARRETT VAUXHALL ASTRA GSI TURBO - WE KILLED IT

Hey all,

So today we met with Dean and his amazing GSI.

I was gutted with this video, lost virtually all GoPro footage of our Mexico runs due to clipping audio! I’ll live and learn guys

We still had a great chat with the owner a top guy!

Spec below :-

2003 astra gsi

Tuning:
Custom remap by RND Motorsports making 483bhp and 370ftlb

Engine:
Forged Z20let built by Courtenay sports
86.5mm Wossner Pistons
Fcp con rods
Kent race cams
Steve Milton adjustable cam pulleys
Genuine eds inlet manifold
Arp rod bolts
Courtenay stem seal retainers
Courtenay valve shims
Courtenay Ac delete
Acl main bearings
Acl bottom end bearings
Balance shaft delete
Re bore
Re honed
Head skimmed

Clutch and gearbox:
Helix 6 paddle clutch
Ttv lightened flywheel
F23 gearbox
Quaife lsd diff

Turbo:
Gen 1 gtx2871r with anti surge housing
Nortech manifold with billet v band collector
Nortech breather
Nortech 90mm intake with maf boss built in
Bonnet exit screamer with tear drop tip
Turbo smart external wastegate
Turbo smart recirc valve
Aem 90mm dry filter
2.5" alloy Intercooler pipe work
Mishimoto 4" core Intercooler
Bosch 4 bar map sensor

Fueling:
Rnd 1000cc injectors
Protec 340lph fuel pump
Swirl pot set up with braided lines running a bosh044 pump

Exhaust:
Custom 3" turbo back with outward rolled tip

Suspension and bushes:
Eibach springs
Bilstein b6 shocks front and rear
Rnd solid top mounts
Whiteline rear anti roll bar
Vibra technic engine mount
Vibra technic front gearbox mount
Vibra technic main gearbox mount
Solid subframe bushes

Brakes:
8 pot 330mm k sports up front
Standard rears

Wheels
17" team dynamic pro race 1.2s

Other modifications:
Alloy radiator
Oil cooler
Braided oil cooler lines
Oil heater exchange bypass
Courtenay sport silicone water hoses
Custom chucky rocker cover airbrushed by leemorgan artworks
Turbo manifold heat shield
Tigworx oil catch can
Stripped interior and painted inside
Astra vxr half leather recaro seats
Depo Clear rear lights
Opc front grill
Stack Boost gauge
Aem afr gauge
Single din double gauge pod
Jvc head unit
Omp steering wheel and boss
Tinted rear windows
Leon cupra r front splitter

Thumbnail photo used with permission from Chris Baker of www.chrisbakerphotography.co.uk

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