Hi SAU,
As the title states, i'm wanting to go back to stock cams on my R33 GT-R as the cams that are in the car at the moment are totally mismatched, plus i'm looking for more of a responsive setup. The cams in there at moment are HKS Step 2: INT=264 duration 10.2mm lift, EXH=272 duration 10.0mm lift. The cylinder head has been CNC ported.
Don't know to much about machining.
My question is: Will stock cams fit in this cylinder head? The HKS cams are rather big compared to stock (INT=240, EXH=236). I wasn't the one who built or commissioned the build of this engine so I wouldn't have a clue how much head work has been done.
I'm aware that clearance work is done to fit some cams. Would replacing a larger cam with a smaller cam be possible? Or has there been to much 'cylinder head material' removed, making a smaller cam loose/not fit? (my lack of mechanical knowledge is showing lol)
Any and all help appreciated.