dual overhead cam, 2 cams power intake and exhaust. a real nice performance boost, would probably add about a good 10-15kw difference between a SOHC and DOHC car, plus the vtec you can start seeing difference, ie. 60kw atw (SOHC nonvtec) and a 80-85kw atw VTi-R (DOHC vtec)
what about the SiR's? i saw a CRX SiR, isnt that just DOHC ?
whats even more wierd is my mates civic was Si and it was just dohc (fair enough), but what would the R be?? for VTi and VTi-R the R = dohc
damn honda and their confusing naming!
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