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Message started by splash07 on 07/10/11 at 17:19:36

Title: opinions on these valves
Post by splash07 on 07/10/11 at 17:19:36

First Thoughts?

http://i882.photobucket.com/albums/ac30/splash07s/0709111757a.jpg

disregard the spider living in there

Title: Re: opinions on these valves
Post by Oldfeller on 07/10/11 at 17:48:23

You are gonna upset the spider when you take those valves out and wire brush them .....

I'd lap them back in when you are done cleaning them.

Title: Re: opinions on these valves
Post by splash07 on 07/10/11 at 19:18:27

"lap them back in"???

Title: Re: opinions on these valves
Post by Routy on 07/10/11 at 22:04:09

Who said anything about taking them out ?
What do we think ? They look good to me, kinda white'ish, not much carbon,.....but kinda hard to tell really.

Lappin ?? You ain't never heard of Lappin valves in w/ valve grinding compound ?? Where ya been ? :o

Title: Re: opinions on these valves
Post by ralfyguy on 07/10/11 at 22:05:27

I think you're running waaaay lean.

Title: Re: opinions on these valves
Post by splash07 on 07/11/11 at 06:37:11

Ohhhhhh, lapping is redoing the valve seat, never heard it called that before. I will probably remove the valves just to be sure there are no valve leaks. I had the top end off about 1000 miles ago and I did not pull the valves but they looked pretty bad from the underside.

Title: Re: opinions on these valves
Post by justin_o_guy2 on 07/11/11 at 08:04:58

Lapping is doing it with abrasives & hand power,
I guess a guy could use a drill with suction cup.

Title: Re: opinions on these valves
Post by RidgeRunner13 on 07/11/11 at 08:29:32

With out disassembling the head & a thorough cleaning there is not a lot you can tell. Try working them back & forth & side to side for a crude check of the guides. Turn head upside down & fill with liquid (I like alcohol) & watch for leakage out the ports.

Once you take it apart you can tell a lot more by looking at the valve seats & faces, & check the stems for wear.

A real valve job includes refacing or replacing the valves & grinding (refacing) the seats. Checking the guides for wear & replacing if needed. Not something your average guy can do.

If they're not to bad you can hand lap them & it will work just fine. 8-)

Title: Re: opinions on these valves
Post by splash07 on 07/11/11 at 14:18:24

I will be pulling the head apart soon, so we will know more then i guess.