The rocker shafts are different for the hydraulic vs the manual rockers, to supply oil to the hydraulic lash adjustors. Since you said the truck originally came with hydraulic lifters, you should have no problem.
The rocker shafts are different for the hydraulic vs the manual rockers, to supply oil to the hydraulic lash adjustors. Since you said the truck originally came with hydraulic lifters, you should have no problem.
Pennyman1
The best Dodge that Dodge never made
Living the D-50 lifestyle since 1980
the new head was with manuel lifters i still have the hydraulic lifter complete the new head i believe came with a new cam too do i need to change the cam too ,, when i dig into this im gonna compare oil journals on the lifter rods i really hate mixing old with new but i cant seem to get the lifters quite enough for my taste ,, plus the extra maintenance. ium hoping to just takew out the lifters and recplace them with the original set providing theres oil jourtnals to supplement the lifters
thx again
Bill
I think the hydraulic vs mechanical cams are different (the journal supports are different diameters...?) so they aren't cross compatible AFAIK. There are pros and cons with both valvetrain set ups. Mechanical requires adjustments from time to time but offer full lift once set (better from a performance viewpoint), hydraulics don't need manual adjustment but do wear out and lose lift when engine oil is overdue for changing or there's an oil pressure issue. Also the lubrication in the mechanical heads is a bit 'hit and miss' (I know this is an issue with mechanical G63B heads but IDK about the 4G54).
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