NASCAR 302 or 351? Things that make me go hmmmm...

[Rev]

What you are saying would be true if CID varied any, or if the restricter wasn't always the same. They all run pretty much the same displacement and the resticter plates are mandated as to diameter of the restricter itself. They don't vary. That makes a pretty even playing field even though I personally don't like to see the engines throttled. They say it's in the interest of saftey, but many think that's debit rather than an asset.

Rev

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'66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph
1/4 mi.