Not Ranked
The center oiler that was original equipment in CSX3121 made for a strong and reliable engine. After "upgrading" (MR heads, 11.5:1 C.R., Crane .620" lift cam, blueprinting & balancing). I regularly revved it to 7000 rpm without a whimper. I never had it dynoed, but I'd guess arounnd 475 at the flywheel.
For street and occasional track use, the center oilers are fine.
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