Yep, I'm never comfortable with running these engines this hard right off the engine stand, but they don't grumble much. Running them in before they go into the vehicle is a good plan. My main concerns are coolant and oil leaks, no matter how good you are or what you know these rear seals can give you some grief, it's just not that good of a set-up back there.......Cliff
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If you can read this, thank a teacher. If you can read this in English, thank a Veteran!
https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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