# in reality though, most cars with 200k miles do not have factory spec compression nm

Posted by Alex (90 300zx) on September 21, 2004 at 09:28:44: In Reply to: I disagree posted by Nismo87se on September 20, 2004 at 19:49:01: : As long as the engine compression is within spec and its tuned up, there is no reason a 200k mile engine won't put down the same power as a 20-50k mile engine. I mean my car with 200k miles plus with just a drop in K&N dynoed 112whp/140wtq. Before my valves floated the engine had like 170-180psi in all cylinders. Replys:

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: : As long as the engine compression is within spec and its tuned up, there is no reason a 200k mile engine won't put down the same power as a 20-50k mile engine. I mean my car with 200k miles plus with just a drop in K&N dynoed 112whp/140wtq. Before my valves floated the engine had like 170-180psi in all cylinders.