bore engine mod

[CMF_piero]

hi i have a 1.0 micra vibe and i was just wondering, if i bore the engine what will the bhp increase be will it be aroung 90hp when done
thanks

 

[CMF_frank2]

a 1 mm overbore is about the max you can go piero (not worth it tbh)

 

[CMF_piero]

how much bhp willit give me
and do i have to get bigger pistons

 

[CMF_frank2]

piero WROTE:

"how much bhp willit give me

and do i have to get bigger pistons

less than 5 hp probably, and yes you do
there,s loads of info on tuning 1.0,s on msc piero (have a search on there)