I bought an '05 s2000 with 62,000 miles. the car drives well.

I have been in the normal maintenance kick that usually happens after buying a used car. Typical things, engine oil, trans oil, diff oil have all been changed.

Today, I got to the compression test.

Starting from the front:

170
210
220
150

Ok, it was bad news. I can handle it. I have been trying to get an idea as to why one and four would be lower. Could this be valve clearances (this would be my hope)? I was going to inspect/adjust them anyways. But I'm fairly certain that when clearances go, they go loose, which wouldn't effect a compression test.

Any ideas other than a leakdown?

 

Not sure what else to tell you except for getting a leakdown test done so you can figure out exactly what's going on with it.

 

Actually many have said their valves went tight.

Mine went loose, though.