Depends on the year, cam, compression ratio. engine warm, 130-165psi, long duration lowers psi, overlap increases psi., solid cam with same duration would be higher than hyd. due to increased valve rate. All reading should be +/- 10%
the 440 engine had 375 horse.
compression ratio is 6:5.1 the compression test should read 120 pounds give or take. hope this helps.
440 engine or the model 440 dodge?
The compression for a 1996 Arctic Cat 440 snowmobile typically ranges from 120 to 130 psi (pounds per square inch) when the engine is in good condition. It's important to check the manufacturer's specifications for your specific model and ensure the engine is properly warmed up and using the correct testing procedures for accurate readings. If the compression is significantly below this range, it may indicate issues such as worn piston rings or cylinder damage. Regular maintenance can help keep the engine in optimal condition.
125 p s i
9:1+
All GTX's produced had the 440 engine.
All the cylinders should be within 10% from the lowest reading to the highest reading for a healthy engine.
Should be 110 PSI
It should have a minimum of 70 psi.
Cylinders compression pressure Sentra 1.8 : 192 psi
480 psi minimum