Thread: Ram Air IV versus 455 HO
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Old 02-29-2004, 10:22 PM
DaJudge DaJudge is offline
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Default Re: Ram Air IV versus 455 HO
The rockers look the same but the ratio / geometry is different, the IV's also used longer pushrod and a special anti-pump up lifter. Having owned both a 455HO and a RA IV car not many engines have a better sound at idle, except for maybe a solid lift 427 Chevy
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<span style="color: blue">1970 GTO Judge Ram Air IV, 4 speed</span>
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