With correct piston to wall clearance, ring material, round bores, no taper, and correct wall finish, the rings will be seated in about the time it took me to type this. If you have blow-by and poor ring seal after you have ran the engine in long enough to get it up to temp, check for leaks, and get ready for your first test ride, something is wrong someplace. The type of oil used is not really a player for rings seating. Lots of opinions on this subject, and how to "seat" rings by driving the car certain ways the first few hundred miles, etc.
Never once have we had the first problem with rings seating on any of these engines. You fire them up, warm them up a few minutes, make dyno pulls, start making track runs, or test drive the vehicle, rings are about as sealed up at that moment as they are ever likely to be....IF everything was done correctly mentioned above......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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