Compression Pressure Limit Chart
COMPRESSION PRESSURE LIMIT CHART
| Maximum Pressure | Minimum Pressure | Maximum Pressure | Minimum Pressure | Maximum Pressure | Minimum Pressure | Maximum Pressure | Minimum Pressure |
|---|---|---|---|---|---|---|---|
| 924 kPa (134 psi) | 696 kPa (101 psi) | 1,131 kPa (164 psi) | 848 kPa (123 psi) | 1,338 kPa (194 psi) | 1,000 kPa (146 psi) | 1,544 kPa (224 psi) | 1,158 kPa (168 psi) |
| 938 kPa (136 psi) | 703 kPa (102 psi) | 1,145 kPa (166 psi) | 855 kPa (124 psi) | 1,351 kPa (196 psi) | 1,014 kPa (147 psi) | 1,558 kPa (226 psi) | 1,165 kPa (169 psi) |
| 952 kPa (138 psi) | 717 kPa (104 psi) | 1,158 kPa (168 psi) | 869 kPa (126 psi) | 1,365 kPa (198 psi) | 1,020 kPa (148 psi) | 1,572 kPa (228 psi) | 1,179 kPa (171 psi) |
| 965 kPa (140 psi) | 724 kPa (106 psi) | 1,172 kPa (170 psi) | 876 kPa (127 psi) | 1,379 kPa (200 psi) | 1,034 kPa (150 psi) | 1,586 kPa (230 psi) | 1,186 kPa (172 psi) |
| 979 kPa (142 psi) | 738 kPa (107 psi) | 1,186 kPa (172 psi) | 889 kPa (129 psi) | 1,303 kPa (202 psi) | 1,041 kPa (151 psi) | 1,600 kPa (232 psi) | 1,200 kPa (174 psi) |
| 933 kPa (144 psi) | 745 kPa (109 psi) | 1,200 kPa (174 psi) | 903 kPa (131 psi) | 1,407 kPa (204 psi) | 1,055 kPa (153 psi) | 1,055 kPa (153 psi) | 1,207 kPa (175 psi) |
| 1,007 kPa (146 psi) | 758 kPa (110 psi) | 1,214 kPa (176 psi) | 910 kPa (132 psi) | 1,420 kPa (206 psi) | 1,062 kPa (154 psi) | 1,627 kPa (154 psi) | 1,220 kPa (177 psi) |
| 1,020 kPa (148 psi) | 765 kPa (111 psi) | 1,227 kPa (178 psi) | 917 kPa (133 psi) | 1,434 kPa (208 psi) | 1,075 kPa (156 psi) | 1,641 kPa (238 psi) | 1,227 kPa (178 psi) |
| 1,034 kPa (150 psi) | 779 kPa (113 psi) | 1,241 kPa (180 psi) | 931 kPa (135 psi) | 1,448 kPa (210 psi) | 1,083 kPa (157 psi) | 1,655 kPa (240 psi) | 1,241 kPa (180 psi) |
| 1,048 kPa (152 psi) | 786 kPa (114 psi) | 1,255 kPa (182 psi) | 936 kPa (136 psi) | 1,462 kPa (212 psi) | 1,089 kPa (158 psi) | 1,669 kPa (242 psi) | 1,248 kPa (181 psi) |
| 1,062 kPa (154 psi) | 793 kPa (115 psi) | 1,269 kPa (184 psi) | 952 kPa (138 psi) | 1,476 kPa (214 psi) | 1,103 kPa (160 psi) | 1,682 kPa (244 psi) | 1,262 kPa (183 psi) |
| 1,076 kPa (156 psi) | 807 kPa (117 psi) | 1,282 kPa (186 psi) | 965 kPa (140 psi) | 1,489 kPa (216 psi) | 1,117 kPa (162 psi) | 1,696 kPa (246 psi) | 1,269 kPa (184 psi) |
| 1,089 kPa (158 psi) | 814 kPa (118 psi) | 1,296 kPa (188 psi) | 972 kPa (141 psi) | 1,503 kPa (218 psi) | 1,124 kPa (163 psi) | 1,710 kPa (248 psi) | 1,202 kPa (186 psi) |
| 1,103 kPa (160 psi) | 827 kPa (120 psi) | 1,310 kPa (190 psi) | 979 kPa (142 psi) | 1,517 kPa (220 psi) | 1,138 kPa (165 psi) | 1,724 kPa (250 psi) | 1,289 kPa (187 psi) |
| 1,110 kPa (161 psi) | 834 kPa (121 psi) | 1,324 kPa (192 psi) | 993 kPa (144 psi) | 1,631 kPa (222 psi) | 1,145 kPa (166 psi) | - | - |
If one or more cylinders reads low, squirt approximately one tablespoon of engine oil meeting Ford specification on top of the pistons in the low-reading cylinders. Repeat the compression pressure check on these cylinders.