Originally posted by reuter
what are the lift/duration/lsa specs on Type Rs? i mean obviously theyre functional if Boostfed picked up 20 or 30hp but why stop there?
Stock Si cams are 10.5mm lift intake and 230 degrees duration ITR intake is 11.5mm lift and 240 degrees duration. Si exhaust lift is 9.4mm and 227 degrees duration and ITR exhaust 10.5mm lift and 235 degrees duration. Si intake opening 10 deg BTDC and clsoing 40 deg ABDC and ITR intake opening 15 BTDC and closing 45 ABDC . SI exhaust opening 40 degrees BBDC and closing 7 degrees ATDC, ITR exhaust opening 45 degrees BBDC and closing 10 degrees ATDC