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Hiclone Fitting

Hiclone Fitting Instructions

Fitting Hiclones can be a simple operation of just opening an air filter box or undoing a hose clamp. No cutting of hoses is required. Individual vehicle fitting drawings are provided with all Hiclones ordered direct from our Melbourne office, for self installation. But some cars can be more difficult to install. We have shops in many parts of Australia, who can both supply and install the Hiclone product for you. The fitted price can vary between stores.

Carburettor Fitting Instructions: For most Carburettor engines, where the air filter is on top of the Carburettor, the Hiclone is fitted in the air filter box over the mouth of the Carburettor.
For engines with a separate or remote air filter, it is fitted either over the Carburettor mouth in snorkel or in the hose between the filter and the Carburettor. Cars with twin or multiple inlets can need more than one part.

Sports Carburettor: Due to variations in sports air filter housings, and in some situations, standard air filter housing heights. We recommend that you measure the available height as per the drawing below. The best method is to remove the assembly intact, turn it upside down to get an approx. measurement at the indicated position.

Common sizes for 4 barrel Carburettors: Most of these are around 165mm in diameter.
25mm Ht(Ford-58A); 34mm Ht(Benz-5); 39mm Ht(Ford-58B) or 45mm Ht(Hold-56).

 

Fuel Injected (EFI) Petrol & Diesel Fitting Instructions: Fitting positions vary greatly for these engines, but the general rules are the same as other Hiclone installations, we use the largest size locations in the air intake.
For low torque, small petrol engines, the first Hiclone is fitted close to the inlet manifold (motor), and an optional second part can sometimes be fitted near the air filter.
For high torque petrol engines, the first Hiclone is fitted close to the air filter, and an optional second part can sometimes be fitted near the inlet manifold (motor).
For Diesel engines, the first Hiclone is fitted close to the inlet manifold (motor), and an optional second part can be fitted near the air filter.
Cars with twin or multiple inlets can need more than one part.
For unusual cars you can measure the inside diameter in mm in these positions, but most cars sold in Australia have already been measured and tested.


Turbo Vehicle Fitting Instructions: For Turbo vehicles we suggest installing Hiclones in two positions.
The first Hiclone fitting position is near the intake manifold, after the Turbo or intercooler, to improve combustion and economy, this also improves engine torque. We use the largest size, and closest to the inlet manifold. Cars like the Toyota V8 CRD have two inlet manifolds, requiring two parts in this fitting position. For unusual cars you can measure the inside diameter in mm in this position, but most cars sold in Australia have already been measured and tested.
The second Hiclone fitting position for Turbo engines is near the air filter, before the Turbo. This part helps the Turbo Impellor to spin, reducing Turbo lag, bringing the boost in around 400-500rpm earlier. This is what we call the power position; its main effect is improving engine torque. We use the largest size, and closest to the filter box. For unusual cars or for aftermarket conversions, you can measure the inside diameter in mm in these positions, but most cars sold in Australia have already been measured and tested. If you are unsure, you can send a digital picture of the motor. We may already have it on our files, or we can mark on the picture where we need measurements.

LPG & CNG conversions and factory systems can also be installed with Hiclones. In most cases the same parts are fitted as in the standard Petrol or Diesel versions, but some systems require special parts. If you are unsure, you can send a digital picture of the motor. We may already have it on our files, or we can mark on the picture where we need measurements.

Every Hiclone ordered direct from us will come with vehicle specific fitting instructions. The utmost important part of installing a Hiclone is not just having the right size...but also placing it in the right position in your vehicle.