Thread: 1974 Pontiac Superduty - Unrestored, 59,000 miles
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Old 02-22-2007, 07:18 PM
1970Bluel78 1970Bluel78 is offline
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Default Re: 1974 Pontiac Superduty - Unrestored, 59,000 mi
Same Engine?? Why the 20hp difference. Is that the year ( 74 ) that gross hp went to net. 1973 SD-455-310 HP 74-290HP
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