CONGRATULATIONS to Brisbaneís Aaron Treymane, who has claimed the world record for the quickest and fastest door car running an aspirated small-block Chev. Built totally in Aaronís Tremaniac Racing workshop, the 1200hp, 400ci small-block recently ran a rip-snorting 6.888@198mph in the teamís Jerry Haas-built 2011 Pontiac. The engine utilises a GM block, and needs a conventional head gasket to ensure studs are in the stock location. The motor is a big-bore, small-stroke deal that is still based on an SBC but has splayed-valve, symmetrical-port billet heads that were custom-made in-house. The intake is a custom billet job with Braswell carbies that are not rated by cfm but by venturi size; they would be around 1300cfm. The 60mm cam is line-bored with internal oil feeding. With the motor being revved to 11,000rpm, valvetrain maintenance is critical. Every three passes the inlet valve springs are changed, and every six passes the same happens on the exhaust side. With the mill needing to be in mint shape to be competitive in Pro Stock, Aaron actually has four of these combinations, and every 35-40 passes each engine gets a full rebuild with valves, rods, pistons, etc. The GXP Pontiac has all the bells and whistles, from full carbonfibre body and brakes to a 40-spline Mark Williams alloy rear end, with Penske shocks front and rear. A 6.888@198mph is an incredible accomplishment in any car, let alone an aspirated small-block, and Aaron reckons there is more in the tank!
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