I bought a 1970 Cadillac Coupe De Ville w/o a gas tank. Found one on eBay and it says w/o eec. What does that mean & how can i check to see if my car needs eec or not? Also the tanks they're selling has 2 options, 1 for a naturally aspirated motor & 1 for a gas ohv naturally aspirated motor. Mine has a 472 ci motor. Which option should I pick. Thanks in advance for any help you can offer.
My car has 80000 miles.
My car has an automatic transmission.
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