8-second street Holden

In Drag, Video by fullboost

Brendan’s Holden HQ Coupe blasts into the eight second zone at Heathcote. Driven to and from the track, the big Holden street car is powered by a 403ci GM LS V8 engine and boosted by a large Garrett turbocharger.

1973 Holden HQ coupe
GM LS3 V8 engine 403ci
LQ9 iron block, LS3 heads
Callies crank & rods, forged pistons
Allsparks hydraulic roller camshaft
Garrett GTX45R turbocharger @ 18psi
VE Commodore reversed manifolds
Turbosmart 50mm wastegate, eBoost 2 controller
GM computer, E85 fuel system
Preston Automatics Powerglide, Reid case
3500rpm stall converter
9in diff, 35-spline floating axles
Full exhaust, MT 315/60 radials
Tuned by: Allsparks Automotive
Driven to and from the track.

Heathcote Park Raceway, Australia – July 5th 2015