I have clips for my 58 impala and i would like to find out where they go in the rear window. I would like to find a good picture. Please help me on this. Also i,am going to start up my 348 this week and i first would like to now ,how much oil pressure should i have . I primed the oil pump with my drill that goes 1,800 rpm and i had just over 20psi. Is this ok. and will i have a little more when it starts. Please help me thanks