I am told that I should be running leaded gasoline in the 63' 390 merc. super marauder motor that is in my 59 thunderbird.
Leaded gasoline is obviously not available anymore, so I found lead substitute to add to the tank of premium.
Since 1985 was the last time the car has been inspected, and also from my knowledge the last year available to buy leaded gasoline, I then think that is why the car has only been driven 7,000 miles to today from '85.
Would running the unleaded for the past 7000 miles hurt it I wonder?
I know my grandfather used to go to the local airport and put high-octane in the car back in the 60's. I guess it would really run back then. That was leaded gas though, right?
Guidance..?
Leaded gasoline is obviously not available anymore, so I found lead substitute to add to the tank of premium.
Since 1985 was the last time the car has been inspected, and also from my knowledge the last year available to buy leaded gasoline, I then think that is why the car has only been driven 7,000 miles to today from '85.
Would running the unleaded for the past 7000 miles hurt it I wonder?
I know my grandfather used to go to the local airport and put high-octane in the car back in the 60's. I guess it would really run back then. That was leaded gas though, right?
Guidance..?
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