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do these heads need any valve work

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Old Sep 14, 2004 | 12:38 AM
  #1  
NoUseAbleNames's Avatar
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do these heads need any valve work

im putting these back together soon and need to know if theres anything special i need to know before i reassemble them. valves all look fine seats look ok too. at least from what i can tell.
Attached Thumbnails do these heads need any valve work-niagara-falls-trip-049.jpg  
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Old Sep 14, 2004 | 12:47 AM
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NoUseAbleNames's Avatar
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another
Attached Thumbnails do these heads need any valve work-head.jpg  
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Old Sep 14, 2004 | 05:56 AM
  #3  
RB83L69's Avatar
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Can't really tell by just looking at them....

Put the valves back in, pour a little fluid of some sort, something real thin like acetone, in each chamber; see if it leaks into the ports.
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Old Sep 14, 2004 | 12:21 PM
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ME Leigh's Avatar
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
Atleast lap the valves to make sure you have a good seal.
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Old Sep 14, 2004 | 07:09 PM
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what do i do that with?

thanks
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Old Sep 15, 2004 | 12:21 AM
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ME Leigh's Avatar
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
Valve lapping compound, no offense but google it.

Valve lapping search
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