high compresion numbers, whats wrong?

[lifted]

i did a compresion test today, i got in between 180 and 190 on all cylinders.i did it without turning of the fuel so i was thinking maybe this is why the numbers are so high. the engine only has 30 to 40 k on it. when i was putting the mhg on the rings looked fine and the cylinder walls were not scared. any ideas why the numbers are so high?

 

[CRE]

When you did the HG did you clean out any carbon buildup? If the car was still pumping in fuel that'd probably account for a fair amount of the increase, how much I don't know. Do you know how much material of the head and block was shaved off?

 

[lifted]

off the top of my head i dont remember, but it wasnt enough that the 1.3mm hg was out of spec.

 

[lifted]

i guess no one knows

 

[JustAnotherVictim]

Most likely carbon buildup.

 

[MDCmotorsports]

Carbon build up......

 

[lifted]

i saw the cylinder walls 1k ago, i wiped one with my finger and all the stuff came off. so there wasnt much build up at all. i am starting to think they took alot more off my head then they told me.