Mofugger

so i dropped the tank today and its pretty rusty so ima clean it out tommrow and it already had aftermaket fuel pump in it..it had some rust clogged in it so i got all that out to.but i have a question. in the tank there is cylinder in there that the lines run to. is there a screen in there and if so how can i clean it? thanks for the help guys sorry again im new to the 280z world but i know my way around my 240sx a little haha..might go up for sale.i was in the middle of the truck conversion though!

fp at idle was at like 32psi im goin to check what its at underload today...and the guy said he replaced the filter but im goin to get a new one.

sorry guys im new to the site.i did search the forums a little.but heres my prob. I have a 77" 280z (just got yesterday!!!) and the car will rev. fine as im sitting still. but as i took it down the street it wouldnt rev. past around 4,000-4,500rpm just fell right on its face!just wondering what all i need to check? Thanx for the help p.s. sorry for the newbie question!!!!