1.1 BASIC MODIFICATIONS NOT REQUIRING CERTIFICATION
The following are Basic Modifications that may be performed without certification providing the modifications are carried out in compliance with the requirements detailed in Clause 2 General Requirements:
Fitting a replacement new, used or reconditioned engine;
Fitting a manufacturer’s optional engine together with any associated components as
supplied by the manufacturer for that same model vehicle;
Fitting replacement original equipment engine and exhaust components;
Fitting replacement original equipment, equivalent or better, components that have no influence on engine performance or emissions (e.g. higher volume oil pump than original); and
Fitting equivalent engines with an increase of up to 20% of original power.
In all of the above cases, if the engine is modified, it must be certified under the relevant Code
of Section LA.
MODIFICATIONS REQUIRING CERTIFICATION UNDER LA CODES
1.2
The following is a summary of modifications that may be performed under Section LA:
Fitting engines greater than 120% of original power and/or engine mass; Fitting performance engines;
Fitting engines from non original equipment sources;
Installing a supercharger or turbocharger; and
Modifying the engine and engine components that results in an increase in engine power of more than 20% and/or affects exhaust emissions.