FYI Compression Readings

[Yardbird]

I checked the compression on my 2000 2.5L. It has 160K miles on it.


Test 1 - 4 compression strokes
#1 145 PSI
#2 145 PSI
#3 150 PSI
#4 155 PSI

Test 2 - 4 compression strokes - Oil added to cylinder
#1 180 PSI
#2 175 PSI
#3 160 PSI
#4 170 PSI

Test 3 - Maximum pressure - 7 or 8 compression strokes
#1 185 PSI
#2 180 PSI
#3 170 PSI
#4 190 PSI