| 750
Trophy |
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| Description,
regulations and registration for the 750 Trophy
formulae. |
|
 Vehicle Type (section 5.2)
The
750 Motor Club’s ‘Historic’ racing
series, for early 750 Formula, Austin 7 specials,
1172cc side-valve front-engined cars, Historic 500cc
F3 cars and other historic and classic cars. New
cars have to be built within careful guidelines to
ensure compatibility.
Engine (section 5.7)
 The range includes Austin 7, Reliant engines (642cc
and 748cc OHV, 747cc side-valve), Ford 1172 side-valve
and Climax; F3 500cc class must comply with 500 OA
rules.
Suspension (section 5.8) This
varies a lot dependant upon the class in which
the car runs. It can be anything from leaf springs
through to ‘coil-overs’.
 Brakes (Section 5.11)
In the Austin 7 classes, brakes are restricted to
the Austin 7 drums. In the other classes, the use
of disc brakes is not permitted unless part of the
original design
Transmission (section 5.9) Classes
A & B must use the standard A7 casing;
alternative ratios may be fitted, either 3-speed
or 4-speed, plus reverse.
 Tyres (Section 5.13)
Class
A restricts width and profile; classes B & C
permit the use of treaded racing tyres or ‘cut’ slicks.
Many of the 1172 cars use the Dunlop Formula Vee
tyre.
Rounds (Section 1.5) Usually
8 – 10 races in the season, some of
which are ‘double-headers’.
 Costs
Registration fee for
the Championship Season is £55.
750 Motor Club membership for 12 months is £50.00 including
a joining fee.
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