Turbo civic

The high compression ratio of the K series is your biggest problem to iron out. You could stroke it and decrease the compression ratio then add a twin charge setup.

I would say it's better to have a supercharger and turbo on the Honda engines than a twin turbo, or you'll get quite a bit of lag.

How are you going to manage the mapping and fuelling? Hondata? Megasquirt? Bigger fuel pump and injectors/direct injection?
 
IMO Honda engine bays are cramped and twin chargers only add unnecessary complication.

It sounds to me that you are wanting to push the power as high as possible so FYI the OPEN DECK bottom end will need to be re-sleeved with DARTON cylinder liners to prevent the cylinder bores moving due to the hi cylinder pressures when a turbo is added onto a NA motor

I had 8.7 CR forged pistons and rods in my old cars turboed motor so that would be my recommendation.

Please keep us informed on your build progress.
 

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