200k Compression Check

OLD H2S

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When I did the Chinese fuel injector swap Friday I did a compression check because of all your worry type threads got me paranoid about the age of my stock 1996 NPI engine. The numbers look good but can anyone explain the same readings on both banks? And what about the rise from front to back? I am glad, but I have never seen this before and I would like your speculations.

4.= 162 8.= 162
3.= 155 7.= 155
2.= 157 6.= 157
1.= 157 5.= 157
 

96blak54

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Intake closing point, blowby, wear, battery juice all play a roll with cranking psi. All the cylinders are close and no alarming differences
 

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