The carb mounting flange appears to be 2.5 to 3" above the runners on the -4. It is 2.25" taller than the -3. The -3 appears to have a more average carb flange height of about an inch or so.


1996 Ram 1500 Sport
1968 road runner
1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019