???? for the motor heads

yea I got a set of the 1 7/8 and my try them out after I get things going just came in from working on it today got the inside springs out now I have to get a push rod checker the ones I have are a little long no treads showing on the adj...now 1 more ???? I run a elec. fuel pump do I still have to leave the ecentric ( I think thats right) in the motor or can I just take it out....