New valves

G1159boy · 10-01-2010, 10:41 AM

I just bought new valves, rings, cam, and rocker arms for the 350. cylinder walls look great, and just planning to deglaze them. Any tips on Valve laping or other prep. work would be greatly appreciated?

rib33024 · 10-01-2010, 11:34 AM

Here's some info on valve lapping

You cover the valve with the lapping compound where it touches the head and then spin it as you push it into the head. The lapping compound will slowly sand the valve and the valve seat so that they match perfectaly and make a prefect seal. Here watch this video http://videos.streetfire.net/video/T...w-to_80862.htm

ez go go · 10-01-2010, 02:19 PM

I don't know if this helps but I've tried water and oil based compounds and found that the oil based was a finer compound than the water based. The oil based finished out the valve and seat better b/c of the finer compound. Just some info. to think about.

10-01-2010, 10:41 AM	#1
G1159boy Getting Wild Join Date: Oct 2009 Location: Central WI Posts: 82	New valves I just bought new valves, rings, cam, and rocker arms for the 350. cylinder walls look great, and just planning to deglaze them. Any tips on Valve laping or other prep. work would be greatly appreciated?

10-01-2010, 11:34 AM	#2
rib33024 ...................... Join Date: Apr 2009 Location: FT Lauderdale FL. Posts: 16,425	Re: New valves Here's some info on valve lapping You cover the valve with the lapping compound where it touches the head and then spin it as you push it into the head. The lapping compound will slowly sand the valve and the valve seat so that they match perfectaly and make a prefect seal. Here watch this video http://videos.streetfire.net/video/T...w-to_80862.htm

10-01-2010, 02:19 PM	#3
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: New valves I don't know if this helps but I've tried water and oil based compounds and found that the oil based was a finer compound than the water based. The oil based finished out the valve and seat better b/c of the finer compound. Just some info. to think about.

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