Not a complaint, just an observation for second gen F-body use with Rick's Hot Rod Shop. I use their stainless steel fuel tank. Not suggesting it's applicable to their company alone but due to the SHAPE of the tank itself on mine the fuel level sending unit reads full for quite some time as the fuel level drops. Then as the fuel level drops lower it goes down quick. Therefore you go quite a distance in miles before the fuel gauge starts to comes of the full mark. For me when my gauge inside the car reads 1/4-tank I make sure there is a gas station not far away if I'm out cruising in the countryside. I actually set the trip odometer to zero and pay more attention to it rather than the fuel gauge itself.
Picture of shape here:
https://www.jegs.com/i/Ricks-Hot-Rod.../3101/10002/-1
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
5.14 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE