My fuzzy memory seems to whisper that EQ cylinder heads have larger ports than the factory Magnums and flow better, but not quite much as Mopar Performance sold R/T Magnum cylinder heads. The early ones that are no longer made.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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