Re: Valve lapping, was:Exhuast manifold studs--Update--now have 1.8L head

[Edward A Nilges <enilges@earthlink.net>]

Sounds like a lazy man's valve job, which I totally respect. What would be
cool is if you could really grind down the head that way, with an oversize
valve, then instead of a three-angle grind, you'd have a parabolic valve
seat. I really dunno anything about this stuff, but it's cool to think about.

As b4,
Ed

At 11:05 PM 4/8/99 -0700, you wrote:
>It involves using a lapping compound, which is basically a very light
>grinding compound.  Then using a special too (just a suction cup with a
>handle) rotating the valve in the seat with the compound to sort of grind
>the surfaces smooth to entail a good seal.  You can put head together
>without lapping in the valves, but it's not a good idea since you'll never
>be sure if the valves are getting a good seal with the seats or not.
>
>
>-----Original Message-----
>From: Edward A Nilges <enilges@earthlink.net>
>To: veritech@fix.net <veritech@fix.net>
>Cc: scirocco-l@scirocco.org <scirocco-l@scirocco.org>
>Date: Thursday, April 08, 1999 10:56 PM
>Subject: Re: Exhuast manifold studs--Update--now have 1.8L head
>
>
>>>so I went through and lapped in the valves
>>
>>What does lapping the valves entail?
>>
>>Thanks,
>>Ed
>>
>>
>>-----BEGIN PGP PUBLIC KEY BLOCK-----
>>Version: 2.6.2
>>
>>mQBNAzJFEm8AAAECAOAyKeRb/5s3zQfUP2/VtGCEVvoeAuw1MPORA1AdIkglwUNe
>>lLgM1WCmYh2AVGl1Rgn9jTQE6naXM5Nr5W9eos0ABRG0IkVkd2FyZCBBLiBOaWxn
>>ZXMgPHVuZmVydGhAbWNzLm5ldD4=
>>=MJ9i
>>-----END PGP PUBLIC KEY BLOCK-----
>>
>>
>



-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: 2.6.2

mQBNAzJFEm8AAAECAOAyKeRb/5s3zQfUP2/VtGCEVvoeAuw1MPORA1AdIkglwUNe
lLgM1WCmYh2AVGl1Rgn9jTQE6naXM5Nr5W9eos0ABRG0IkVkd2FyZCBBLiBOaWxn
ZXMgPHVuZmVydGhAbWNzLm5ldD4=
=MJ9i
-----END PGP PUBLIC KEY BLOCK-----


--
To unsubscribe, send "unsubscribe scirocco-l" to majordomo@scirocco.org.
If you experience other problems, email: scirocco-l-probs@scirocco.org