JHH Performance Engineering,cylinder heads,Cylinder Heads,CYLINDER HEADS,cylinder,heads,Cylinder,Heads,Engines,racing engines,performance engines,performance,competition heads,automotive,Australia,Street Force cylinder heads, Race Master cylinder heads,street force,race master

Manufacturers of the race winning
Street Force
&
Race Master
Cylinder Heads

John Davies

Australian Hillclimb Champion 1992

Queensland Hillclimb Champion 1993

Queensland Hillclimb Champion 1994

Queensland Hillclimb Champion 1995

Australian Hillclimb Champion 1995

ENGINE SPEC :- Suzuki EFE 1100 fitted with big bore kit to yield 1265cc. Suzuki 750R Cylinder head is modified to race specifications by JHH Performance Engineering , Compression ratio has been set at 12:1 with Flat top pistons . The engine revs to 12000rpm and uses avgas 100. Fuel is metered by a Haltech ECU

John Davies noted that after trying many engine modifications such as high compression ratios and exotic fuels the most advantageous modification for power was fitting a

RACE MASTER

cylinder head and going back to flat top pistons on our recommendation.

John has competed in not only hillclimbs but many other forms of racing in this car with great success winning acclaim for this brilliant home built special.

Other cars we have worked on click on the names.

Products Page click on car.

Contact John now for a quote on getting the best out of your engine
Ph: + 61 07 32086274 . Fax us on 015 61 0732086533

10 Timms Court Woodridge Queensland Australia

. jhh@oznetcom.com.au