Has any ever used this throttle body

[Shizzle]

http://www.ebay.co.uk/itm/70MM-80MM-THROTTLE-BODY-SKYLINE-SUPRA-WRX-STI-FORD-EVO-MR2-R34-R33-GTI-GTO-/320920995163?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item4ab861c55b

Found this on eBay looks the part but will it work i know standard mk3 16v throttle bodies can be modified but is this a easier way to do it.

[Len]

Why would you want to spend money on that?
You can polish/enlarge the existing throttle body, which will help a littel but you are never going to make much extra power!
There is a very good thread about all of these things.


(sure Wayne will oblige again!)

[Shizzle]

Mine is slightly enlarged obviously i don't believe the 10hp gain but throttle response might be better if this is plug and play and works i would just buy this tbh.

[Wayne]

Khare did a really good write up on polishing the throttle body.

I suggest using a dremmel too. With a file you're going to be going across the butterfly seat and if you catch it you're going to ruin your throttle body.

Get a dremmel and get some cutters like these

http://www.ebay.co.uk/itm/Dremel-115-High-Speed-Cutter-7-8mm-x-1-FREE-POST-/180705824191?pt=UK_Home_Garden_PowerTools_SM&hash=item2a12e80dbf

http://www.ebay.co.uk/itm/Dremel-117-High-Speed-Cutter-6-4mm-Multipack-/190562510738?pt=UK_Home_Garden_PowerTools_SM&hash=item2c5e692792

As well as a lot of sanding drums, you'll need a hell of a lot of these!

http://www.ebay.co.uk/itm/100pcs-1-2-x-1-2-80-Grit-Sanding-Drums-Bands-For-Dremel-Tools-/370679257885?pt=UK_Home_Garden_PowerTools_SM&hash=item564e349b1d

http://www.ebay.co.uk/itm/DREMEL-432-ROTARY-MULTI-TOOL-13MM-SANDING-DRUM-FINE-120-GRIT-PACK-OF-6-/190779452946?pt=UK_Home_Garden_PowerTools_SM&hash=item2c6b576e12

High speed cutters work well at 1/2 - 3/4 speed

Sanding drums work well at low speed, if you go too fast they'll rip apart prematurely.

Take your time and go steady. Get your gasket and put it up against the intake manifold and see how it matches up to that. Mine happened to fit perfectly to size against the manifold so I used it as a template for the throttle body to match it in size to the manifold, that's the important bit.

High speed cutters first for the heavy duty stuff, then sanding drums once you're trying to smooth it out evenly and carefully, start at lower grit (rough) and work your way to finer sanding material (higher grit). Once you're happy get the polishing wheel and knock yourself out with some metal polishing cream.

Make sure you don't widen your throttle body past the size of the intake manifold, otherwise you'll be creating a restriction and you'll end up having to port the intake manifold too.

Most important thing to remember is you can easily take material away but you can't put it back once you've shaven it off! So cut, measure, check, cut, measure, check, etc.

[thai-wronghorse]

Save your money mate.

[Shizzle]

Thats a good write up and for 18.81 for all the bits well worth it thanks.

[spikenipple]

I have a ported&polished TB for sale 

[VW BUSH]

Save your money and mod a spare VW one, I say spare cos you can go to far very easily
That universal one will need fitting so that you have no steps, may need an adaptor plate and so on.

[Shizzle]

I have a spare 1 connected to my spare engine 

[Len]

There was a very good thread all about power increases for things like throttle body, air box as against K&N cone filter etc.