The Mopar 383 {1962 thru 1967} ~ 'You Magnificent Bastard'

Pepper-Pete,

In 1963, here are the Compression Rates for the 383

383/305 HP ~ 2-Barrel ....... 9.2-1
383/330 HP ~ 4-Barrel ...... 10.0-1

Both had the same Cylinder Heads with a 73.5 CC Combustion Chamber.

And both had the same Piston/Deck Height at {-.014"}

But, the 383/305 HP had Dish-Pistons with a .045" recess {= 5.11 CC's}

Mopar Engineers...... You Magnificent Bastards

On the 383, Mopar Facts........ 5.11 CC's = .8 in Compression Ratio.