i got this 2000 jeep grand cherokee the kid i got it from used gorilla tape on a heater hose and cracked the head i found someone that had a 2004 jeep grand cherokee that was fliped at 80 mph thay both had the inline 6 / stright 6 i didnt want to disconect the air conditioner lines so i swapped the head and started taking the rest of the motor apart out of the 2004 then after putting the head on the 2000 jeep i found out it had at least 3 spun bearings so i had to put the 2004 motor back together and in the process i might of got the lifters mixed up between the two motors and now i have a lifter tick i did clean the lifters with gas and left them in oil for about an hour before i put them in the motor so what would be the best Hydraulic Lifter Additive i should try thank you
What is your oil pressure? The lifter tick is probably from a worn out engine, not wrong lifters.
try experimenting with different oil filters, even smaller ones. Drain 20% of the oil and replace with Lucas heavy duty oil stabilizer.
the motor didnt have the lifter tick when it was in the 2004 jeep as far as i can tell the oil pressure is fine
it stays above 20PSI after warmed up?
Back when dinosaurs roamed the earth the rule of thumb for acceptable oil pressure in an old-school pushrod engine was 10 psi per 1000 rpm of engine speed. Factory specs for the Jeep 4.0 say a minimum of 13 psi at idle and 37-75 psi over 1600 rpm. (Oil pressure should be checked with engine fully warmed up using a mechanical gauge. The dash gauges are notorious for being inaccurate.)
