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Old 30-04-07, 09:18   #22
Join Date: 02-07-02
Location: Adelaide, North East Suburbs
Car: vl calais turbo 5 spd
Trader Rating: (0)
after market plenum

Hey just reading though this, looks to me that fitting an after market plenum would be a defect according to this statment from the doc

Vehicles manufactured on or after the 1 January 1986 (ADR 37).
This category of vehicle may only be fitted with an ADR 37 complying engine (i.e. an engine designed to only
operate on unleaded fuel), which incorporates all associated components. The fitting of an engine other than an
original or optional engine would require approval from Transport SA.
No alterations to the engine’s camshaft, inlet manifold, carburettor/fuel injectors, air cleaner or catalytic
converter are permitted.
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