I recently sold a 1967 Pontiac GTO ragtop that I bought from the
>original owner back in 1987. I have all the receipts since 1969 and
>know for a fact that this car NEVER had any engine work done to it. It
>was the HO 360HP version of the 400. It had 135,000 miles on her when
>I sold her and never puffed oil smoke at all. For the most part I ran
>Cam 2 fuel in it (when it was available)as well and never had an
>issue. And just for the record there were many times that I ran that
>car hard. How could I not! Like getting shot out of a cannon!! I know
>that car is good for at least 200k. New owner is somewhere in PA. The
>key to it's longevity is the frequency of oil changes, as it is with
>any car. In a carbureted V8, Change the oil every 2500 miles and keep
>the filters clean and you're good for a couple of hundred k.
I agree but would like to add to that that those first 10 miles of driving after a cold start are also important to longevity. Don't rev the car up to far while the oil isn't fully at operating temps. (It also takes longer to warm up the oil than the coolant)
>Jeff Foglietta
>
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>1967 Pontiac GTO
>2004 Mustang GT
>
>
>> This question came up on our local call-in car talk show regarding what
>> the longevity would be of a rebuilt carbureted v8 raised on today's oils
>> and additives.
>>
>> In the 60s, of course, a v8 had an effective lifespan of about 100k >> miles.
>>
>> With the cars of today, that has basically been doubled, and they
>> attribute that to superior engine tolerences, materials, and fuel >> injection..
>>
>> So the question is: what's the highest mileage anyone here knows
>> someone's gotten from a rebuilt carbureted v8 raised on synthetics and
>> additives? Anyone seen a classic 283, 302, 318, 350, 351, 429, 440,
>> etc., go beyond 200k miles and still be running good without smoking >> like a chimney?
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