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Originally Posted by Kennybill
They lowered the compression ratio for 1971, probably the 225/250 HP was under-rated a bit, this was when they were changing over to unleaded fuel which this car can run on. Nicer driving car then the 1970 and before cars. I have 2, 71's full-size, a convertible and a 98.
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Hy Ken,
Im no real expert , but i believe that what you are saying is for the later 1972 year engines.
Mine still has ( factory original) high compression.
As with al muscle motors/cars the indeed changed the Sae rules 71/72 and as off 1972 most / all high perf. engines were killed of by the enviroment regulations etc, just by lowering compressions and ad all sorts of env.shit.
But as said , ( and i cheked on the motor) this engine of mine is an original
HP / high compression motor. ( thank god....
)
But i still hope i can find out more about this type of car......., and how many in this configuration were build, especialy because its one of the last treu "muscle"
oldscar
