2L compression?

[bj962@domain.elided]

I checked the compression today with a 20+yr old 
compression guage that wouldn't hold the reading.  I know 
I should fix it or get a new one but, I was hoping that 
someone could tell me if the readings I got were 
reasonable.  The manual just says look for big differences 
in readings between the cylinders but doesn't say what 
normal is (or what big is).  Anyway,in my '91 spider 2L I 
got: 125, 135, 135,and 125psi.  The needle was bouncing a 
bit so I took an eyeballed average.
Any comments at all would be appreciated.
Thanks in advance,
Fred
91 Spider

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