Looks like valve float

 

A "Profilometer" will do it. A good machine shop should have one, or know where you can find one. Since cams are ground, the surface should be pretty smooth. You could measure the FM and your stocker (if you still have it) for comparison.

Link to Surface Finish

 

Metal was not soft, thats for sure. The cam was gouged in on that one loe because the roler had flaked apart and really ground down the cam as it was spinning.

 

Was this a serious reply or just funning around??? I dont think it was valve float. the gold dual kits have 140/350 seat/open pressure, which is more than enough to control this cam profile. besides, its not like the only damage is on the trailing ramp of the lobe.

 

Doesnt look like float to me either. man those pitting spots on the cam are nasty looking.

 

That is not valve float, you have damage all the way around the lobe... He must have been joking...

 

that's what mine looked like last summer. but mine ticked like hell.

 

im a little leary of getting a cam from them also... ouch

 

Your what??? Lifters or cam, both??? What cam was it???

 

So sorrry to see your loss but that quote cracked me up!

 

Dont feel sorry. I think im going to enjoy my new setup a lot more, and having the lifters crumble on me, twice, just sped things up. I just wanted to post pics of the cams texture what with all the other posts of lifters getting all fux0r3d...

 

looks like my old TR224 cam after some piston slap issues, minus the tooling marks. my lifter, on the other hand, mushroomed in the block

 

One down side to a roller cam is the roller on the lifter develops a line load and a very high surface stress, and this is in the best of conditions with a smooth contact surface. With a surface roughness that is too high, which appears to be what you have on your cam, your peak stress values are likey through the roof and the cam will start breaking down.

 

Check this out.https://ls1tech.com/forums/generation-iii-internal-engine/461969-came-lobes-discussion.html

 

hmmm my car has that blower whine sound too. It started when i installed the f13 cam and a asp underdrive pulley. I think mine is comming from the pulley though, hope its not the same thing that you had though.

 

Mine looks the same. I'll have the cam out this weekend but my pics are just like yours....

f13 114lsa
15k miles on my cam
bought last year during futral gp
manley dual springs
stock heads

 

Emailed Allan, and he is going to take a look at the cam and possibly replace it.

 

when exactly did you guys get your cams? i bought mine a last march in the gp and only have about 4000 miles on it. so far no unusual noises but you never know.

 

March 15, 2005

 

Got mine during the gp