Any paperwork? Window sticker? Even the tire size decal in the door jam will give clues as to what it had originally.
Generally base /6 cars got 15x5s, 318-383 cars got 15x5.5s & 440 cars typically got 15x6s.
Do you have the broadcast sheet? There are several different steel rims available depending on options. The sheet will tell you the correct part # youre looking for. Unless you have a wagon, youll be looking for either a 15x5.5 or 15x6 rim.
Bill only brought his beautiful white survivor GT this year. The burnt orange car is someone elses that was featured on Auto Archeology youtube channel few months back.
AC Delco has a nice flat top Group 27 battery that works perfect with the plastic battery toppers. I bought mine through Autozone. No complaints after 2-3 years now.
o2 positioning is due to keeping condensation from potentially collecting in the tip of the sensor and ruining it. Generally the closer to 12 o'clock positioning you can place it the better.
Old school, reading plugs and running it down the track. It was way lean and breaking up in the higher RPM. Every jet & rod change resulted in better/quicker et's. I think I went as far as I could with what comes in the edelbrock tuning kit. I even bought extra, larger jets then what comes in...
I run the 800cfm avs2 on my mild 440 in my SFGT. I had to richen it up significantly from what it was ootb. But once dialed it runs fantastic and starts right up. Very snappy too.
I will always recommend the 800cfm for big blocks. Save the 650s for small blocks..
All 4 of my '70 Furys have black panels (green/ orange x2/ blue interiors) I believe '71 is when they received colour matching panels @70 Sport Suburban probably knows 100%