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#11
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Big difference between the two.Even with lower compression I would pick the 71 455HO over the 70.Why did Pontiac call the 70 455 a HO motor?Either you or steved said the 70 455 was out of a big pontiac.Was there any differences with the big car 455 and the 70 455 motor?When the factory put the 455 in the 70 GTO was there any mods done to it to made it differant from the big car 455?
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