GIVE YOUR MGF A BREATH OF FRESH AIR

GIVE YOUR MGF A BREATH OF FRESH AIR

Submitted by= ..Eric Grey

IMPROVE YOUR MGF= - FIT A COLD AIR INTAKE SYSTEM

There are several ways to fit a cold air intake to an MGF, after some deliberatio= n I decided to retain the standard air box and fit a K&N panel filter and r= un a new 80mm 3” bore intake hose from the left hand side air intake duct directly to the air-box. Do it yourself parts cost around a $100.

PART 1

Cold Air Modification

It is assumed you have removed the main engine bay access panel and rear engine grille. Firstly remove the rubber hose at the throttle body and air-box, t= hen unclip and remove the air-box lid and remove the standard paper filter. Next unbolt the air-box at 2 fixing points and remove along with the anti vibrat= ion hose. Below the air-filter box is the resonator box (MGF only), this is not needed even when you put the standard air-box back on, but unfortunately th= is cannot be taken out unless you drop the rear sub-frame. Read-on= .

To remove the resonator you have to unbolt the metal bracket that mounts the f= uel filter and unclip the 3 cables. With the rear end jacked up and LH rear whe= el removed,

Ref. fig 2. you will see the 2 bolts that secure the resonator to = the

wheel well, before the removal of the resonator and old air induction pipe (black shaded area Fig 1)

mark the resonator before cutting to the outline of the metal wheel well,= if you = want to re-shape it and put it back as a splash panel, with the resonator gone y= ou have a lot more space to work in from the left hand air intake up to the throttle body.

* Best bet = is to cut it longitudinally and remove it in two half’s, then jiggle it aro= und to remove.

To connect the new intake hose to the filter box use 80mm/ 3” convolute = air hose or silicone hose (the latter can be more expensive but is the best) bo= th can be placed easily into the plastic left hand air intake shroud and can be located their with some adjustment and seated with silicone, the other end = goes direct to the filter box intake connector that is removable from the resona= tor box, you will need this along with the small anti-vibration hose to re-connect t= hem to the air-box with jubilee hose clips, the one that secured the old air in= take hose is re-usable and you will need to purchase another one of the same size and one larger one for the new 80mm/3” air hose.
Note: It is eas= ier to install if you pre-assemble them first, and then feed into place hose first through engine bay and into the side air duct.

Dress the new intake hose to shape and length and place into the left hand ducting using the cut end of the 80mm/3” hose, (approximately 2 thirds of a metre) I found this to be the cheaper option but it takes a little longer to do.

The modification takes about a day a= nd a half to complete. The most difficult things are; gaining access to the engi= ne by unclipping the hood, removal of trim, access panel removal and cutting through the resonator; * I used a hot soldering iron= (but m= ake sure you leave enough material there as marked if you want to replace it as a sp= lash panel).

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Part 2

K&N Panel filter

If you do decide to do the complete installation and fit a High Air Flow Panel Filter to fur= ther improve engine horsepower and torque then you will find the following information useful?

K&N panel filters are synonymous= for quality and performance and are considered as one of the best products available and they come with a 100000 mile/160,000km warranty, it is recommended that you clean and re-oil every 50,000mile/80,000km. Determining the correct part numbers and cheapest supplier was difficult so the followi= ng information should help.

MGF fit KN33-2647 L 265m= m X W 105mm X H 29mm this suit's the smaller type air-box on all 1.8i & VVC F's up to early 2000. Late 2000 and early 2001 F's changed progressively to the larger air-box same as fitted to the TF's. The panel filter for the la= rger air box I believe is KN33-2132 L 395m= m X W 148mm X H 29mm, however !!anyone fitting a K&a= mp;N filter or any other high-flow panel filter of your choice on either MGF or = TF cars, it is very important to check the existing standard paper filter and = or the air box size to the above dimensio= ns first, before ordering.

Parts required: 1 metre flexible int= ake ducting $29 Car Toys, Jubilee hose clips 1 large one small $7 and KN33-2647 best price was $77.52 delivered in Austral= ia when ordered through….

www.onlineautocomponents.

com.au. =

Enjoy your new MG driving experie= nce!

Eric Grey