Deano76 Posted June 22, 2012 Share Posted June 22, 2012 afternoon everyone, im new at tuning the B18C4 engine so far ive bought new hd leads and NGK spark plugs ive also put Mobil 1 oil in, which has all helped up the horse power a bit. i need to know how much the standard B18C4 engine can take. ( maximum BHP without upgrading pistons etc.) and without spending to much for now, and can anyone point me into the right direction on what is out there to upgrade my engine, also im from North Wales does anyone know where the nearest rolling road is. Quote Link to comment Share on other sites More sharing options...
wilp99 Posted June 22, 2012 Share Posted June 22, 2012 max out the valve lash, it will free up about 1 hp. not much but its free. put it to .008 exhaust and .007 intake. Quote Link to comment Share on other sites More sharing options...
noodels Posted June 22, 2012 Share Posted June 22, 2012 max out the valve lash, it will free up about 1 hp. not much but its free. put it to .008 exhaust and .007 intake.agree got massive gains from doing felt like 5hp f*** miles out when checked mine intake 0.006-0.007ex 0.007-0.008VERY COLD Quote Link to comment Share on other sites More sharing options...
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