Inside a 7-second street car

In Feature, Tech by fullboost

Without doubt one of Australia’s most impressive true street cars, Quentin Feast’s 1974 Holden LH Torana known as GMPWR has the runs on the board when it comes to results. Having entered Street Machine’s grueling Drag Challenge three times and winning outright three times, the Torana has also taken out King of the Street and Street Outlaw events respectively. We caught up with Quentin and MoTeC’s Mark McCoy for the lowdown on what makes this simple street Holden so remarkable.

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1974 Holden LH Torana – GMPWR | #LSTHEWORLD
GM LS engine,403ci, LQ9 iron block
CP pistons, Compstar rods, Dragon Slayer crank
Higgins LS3 cylinder heads, Crow hydraulic cam
Garrett 67mm GTW3884 turbos, Holden VE manifolds
Drive by wire, LS3 90mm throttle body and plastic inlet manifold
4in dumps into a twin 3in exhaust
Pump E85 fuel 2400cc injectors
MoTeC M150 ‘drag package’ ECU, C127 dash, E888 CAN network
Paul Rogers TH400 3-speed trans, TCE torque converter, Mark Schwarze 9in diff
Factory style tri-link suspension, chassis connectors, Afco coil-overs
Power: 1800hp | Best ¼: 7.41 @ 185mph on X275 Drag radials

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