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Originally Posted by Snake Eyes USA
Thanks 68.
Ha! Ive heard of Ins. companies not recognizing or renaming vehicles due to ignorance. But as long as its insured.
I understand you 90%. Some of what you said is foreign to me. But leads me in a direction to research and learn more. Thanks!
I assume BBC means Big Block Chevy and not Big Black....LOL.
Was the 400ci built to use tetraethyl leaded only or you think this is something my step Dad did after the fact?
And I already told myself. Chevron only. I love the stuff. Its always ran best on any car Ive had.
Did the truck come "posi-traction" or you think this was something step Dad did after the fact?
Time for some more research.
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When these trucks were new, leaded gas was normal. "Regular'' meant leaded gas, Premium was also leaded. All automotive gasoline had tetra ethyl lead in it for an antiknock compound. Not til pressured by the environmental movement of the '70s did they start phasing out lead from gas. [Lead poisoning has been traced to mental retardation in smaller doses, also madness, and death in bigger ones. Remember Caligula, the crazy Roman Emperor? Romans used lead as a condiment and ate off lead utensils.]
First it was Lo Lead, then by 1999 any lead in pump gas was illegal, or not available.
There was an auto parts store additive called "Real Lead''. One quart bottle per 20 gallon tank and you were back in business like it was 1968. I used it once on a road trip in the 200,000 mile old 292 L6 in my '68 Stepside and got a ticket for speeding -- that engine ran so well, I didn't realize how fast I was really going. But they pulled that product, too.
''White Gas'' is gas w/o any additives including lead, for campstove, gas lantern use, where auto gas would be poisonous. Coleman fuel.
So, Yes, the 400 V8 was built for leaded gas, but they all were then.
BBC: disambiguation -- I first thought it was the British Broadcasting Company, but we've been using the Big Block abbreviation for 20 years or longer. I had to look up Urban Dictionary to get the other meaning. Ha Ha.
Posi: Might be listed on SPID if original. I forget the RPO code. I swapped in a whole '69 GMC Posi axle on my '68 C/10. I had a 12 Bolt rear end rebuilt with Moser axles and an Auburn posi on my '67 K/10 Sub, and my '71 GMC Jimmy 4x4 had factory posi when I bought it in 1995. So I've done it all 3 ways.