valve lapping


4 replies to this topic
  • brent426

Posted May 23, 2008 - 04:01 PM

#1

I asked this question a couple of days ago but didint get a clear answer. I have a factory new 426 head 2000 with new oem 2000 steel valves. I know that I can lap them as they are steel, but do I need to? New seats, new valves, do they need it? I have never lapped valves so I dont want to have to do this if there is no need. If however it will help in some way I will figure out how to do this.

  • flattrack13

Posted May 23, 2008 - 04:06 PM

#2

it never hurts to lap them just to make sure the contact area is where it needs to be but with a new head and valves you should not have to. personally i would

carlos

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  • JSanfilippo

Posted May 23, 2008 - 04:28 PM

#3

I asked this question a couple of days ago but didint get a clear answer. I have a factory new 426 head 2000 with new oem 2000 steel valves. I know that I can lap them as they are steel, but do I need to? New seats, new valves, do they need it? I have never lapped valves so I dont want to have to do this if there is no need. If however it will help in some way I will figure out how to do this.


Read Eddie's and Gray's responses. Its pretty clear, don't lap the valves
http://www.thumperta...ad.php?t=597885

  • grayracer513

Posted May 23, 2008 - 04:42 PM

#4

Let me say this again, a little more simply;


NO.

  • 642MX

Posted May 23, 2008 - 05:11 PM

#5

personally i would


Bad advice. You do not lap valves, ever....





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