So do I gotta drop the tank to clean this fuel filter? What about the dieseling problem? Also do you know about any performance parts I put on this engine? Thanks for all the help Bill.

It's the SU-HIF6 carburetor.With the B21F engine. The car also ¨diesels¨ when I shut it off. Also I have a vacume line near the battery that is not connected to anywhere and has a bolt screwed into it. Was like that when I bought the car. Was wondering if there was a diagram for the lines because th...

I've looked up and down my 81 240 and I can't find the fuel filter. Also when ever I push down the pedel it bogs out but if I pump the pedal and get the rmps up it's fine. I've tweeked the idle but the problem persist.