HILLMAN CAR CLUB
OF SOUTH AUSTRALIA INC

Mister Minx
December 2002 update
HILLMAN CAR CLUB
OF SOUTH AUSTRALIA INC


Referring to the engine
It is a 1725cc alloy head engine which has been seriously modified.  The block is .060" oversized with 7cc dishes in the Mahle pistons.  The crank is standard but should be lightened to increase rev speed.  The connecting rods are standard items which have been polished and shot-peened to increase their strength.  All of these have been zero balanced.  The camshaft is a reground cam by Wade Camshafts in North Melbourne, and is the highest lift available.  Standard oil pump, pushrods, timing chain and gears and rockers.  Roller rockers would be nice but unavailable, I think.  The alloy head has been worked and flowed to 199.74 hp and is set up for unleaded fuel, and has a set of triple valve springs.  The intake manifold is a custom built billet alloy one which holds twin 40mm Webers.  The compresion ratio is 12.5:1 which creates a problem starting, and destroys a starter every 4 months.  I am currently looking for a gear reduction starter.

The extractors are also custom 4 into 1 tuned length.  The flywheel is standard but too should be ligthtened and zero balanced.  The clutch is a custom solid plate ceramic button clutch plate with a Ford V8 pressure plate (still hydraulic).  The gearbox is a Toyota Celica steel case 5-speed with a Dellow Automotive adapter bell housing.  I was destroying Hillman boxes way too frequently.  The differential is a Toyota Hi-Ace with 4.5:1 ratio, very strong and really fine spline axles.  The engine has roughly 150 hp at the flywheel and is still relatively smooth to drive around town.  I use a standard distributor with a magnetic pickup replacing the points, and a Crane HI-6 ignition box with 10mm leads it gives a huge spark.


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