Hi guys I'm having an issue with valve clearances, the intake valves have clearance but only 3 exhaust valves are adjusti g to get clearance ,from what I have made out the retainers are making contact with the bottom of the rockers. Has anyone else had this issue? I'm thinking it may be a result of the supertech keepers. Anyone else care to lend some insight on the matter?

 

would help to know what engine....and what's been done

 

B18C1 engine, basically the head has been ported and polished, just took out the the gsr valvetrain and replaced it with supertech valvetrain, head has in oem gsr cams and cam gears