Civic EP3 Type R (Rotrex)
 

Hi,

I am look for some advise before buying a system.

I have a Honda K20a2 engine with 11.1:1 compression & 8300rpm redline. It is currently in the final stages of having a intercooled Rotrex C30-94 supercharger installed, which will run between 11-13psi. I am looking at running water injection just as safety device to give a little more headroom before knock occurs, not to add any power. The car is used as a daily driver and on track days.

Any advise would help! Especially which kit to use.

I was thinking of just distilled water and not using methanol (except in the winter to keep it from freezing).

Thanks

Re: Civic EP3 Type R (Rotrex)
 

The HFS2 will do the job nicely. If you want to see the flow in real time via a dash gauge, you need to go to the HFS3.

Re: Civic EP3 Type R (Rotrex)
 

Hi,

Thanks for the info. I would like a gauge just to see what's going on!

For winter use would the screenwash below be ok to use?

Polygard Concentrated Screen Wash 25L - MIS18215
Data Sheet:
http://www.partinfo.co.uk/files/Poly...ash%20MSDS.pdf

Thx
Adi

Re: Civic EP3 Type R (Rotrex)
 

I don't quite trust their specs on 10-30% methanol. Methanol is widely available in the UK, why take risk of the system sustaining freezing damage in cold winter.

Re: Civic EP3 Type R (Rotrex)
 

Ah, yea just had a look for Methanol. Cheaper than I expected!

Do you mix it with distilled or deionised water?

Thanks
Adi

Re: Civic EP3 Type R (Rotrex)
 

normally d-min or the other two. D-min is perfectly fine.

Re: Civic EP3 Type R (Rotrex)
 

Is it possible with the HFS-3 to use my Hondata KPro to arm the system? Kpro can be set to tigger an output when a specific set of conditions are met. And then use the IDC to make the system progressive?

The options in KPro: (this triggers an output)
[IMG]http://www.hondata.com/help/kmanager/nitrous-conditions.gif{/IMG]

Thanks
Adi

Re: Civic EP3 Type R (Rotrex)
 

It is possible to connect the Kpro to the HFS3's mps input (blue wire of the grey connector), move the jumper link to MPS.

The Kpro must output a 5V signal to trigger the system. Once triggered, the flow will be progressive to IDC. The "THRES" still controls the onset point of IDC. I believe this is how it will work in theory.