Is your car a Si?

Maybe I can help you but you need to tell me which model is your car. There are no Siīs in Europe, but thereīs a five door version (EV1) with the K20 rated at 160bhp. This must be the engine on your car. EP3 in Europe and Japan are Type R's.

Normally the 5 lug conversion fits directly without any mods. We have Civic 3 door 1.4, 1.6 and 1.7 diesel with 5 lugs after 2003, and from what I have seen nothing has changed that much from their earlier 4 lugs versions. So I guess if you get either european, japanese or after 2003 american EP3 knucles, brake discs and hubs you will have your conversion done.

Also in Europe the K20A2 and A3 are the Type R engines (200bhp). The only difference between them is emissions and European homologation for polution standards. There also some changes to the valve train, like the first versions had double springs on the exhaust and intake valves but the later version have single springs and lighter valves.

The factory in the UK also does a special Type R version for Japan, this comes equipped with LSD, shorter gear ratio, higher lift cams, different ECU and less strict exhaust and kat. This engine rates at 215bhp, I donīt know the engine code tough but has to be K20something LOL!
And of course you have the K20's from the DC5, I know in Japan they rate 220bhp but Iīm not sure about the RSX Type-S, is it 210bhp?

And donīt forget that EP3 has 6speed gearbox in Europe and Japan. I found this great article http://216.239.59.104/search?q=cache...i+ep3&hl=pt-PT

Cya