I love the HO motor and think it's underrated by most people, especially outside the Pontiac world, but I don't think many people here would wish anything less than the best for the SD numbers. Let the numbers be what they may! Are you tweeking the cams in a similar way to the versions of the 068 in your HO builds, and will you be using the 041 cam or the 744 profile? My guess is if you stick with the 744, the HO will win again by a small margin, if you use the 041 then I think the SD will come out on top this time. Either way, this will be very interesting! Thanks for the great posts and keep the updates coming!
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'72 Formula 455HO TH400, Revere Silver, black deluxe
'74 Trans Am SD 4 speed, Admiralty Blue, blue deluxe
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