[mongocanfly]

We've put em in with comparible mileage and never touched them..but if your worried about it you could check compression...just keep in mind if you start pulling stuff off to check internals that a lot of the bolts are torque to yield..means you have to replace them after one use...you could swap some gaskets out to fix a leak here and there..as far as cams go check out btr cams..they have stage 1, 2 and 3 that sound pretty good..youtube for them ..there's a lot of vids on how these sound