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Old 05-28-2013, 11:02 AM   #161
94cobra69ss39694cobra69ss396 is offline
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How does that keep the oil from going down the valve guide? If that's the case then I can just finish lapping the valves then.
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Old 05-28-2013, 12:25 PM   #162
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How does that keep the oil from going down the valve guide? If that's the case then I can just finish lapping the valves then.
It's called an umbrella for that reason....It covers the stem from excessive oil....but the guide/valve clearance is also a factor here.

Ford has been using them forever...I used to use the 289 umbrella seals on SBC heads all the time. Worked the best on exhaust stems/guides. Used the Seal Power over valve stem seals starting in the eighties.

The first engine I ever worked on was in 1962 --- a FORD 312 ...first SBC in 1968...damn I'm old
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Old 06-02-2013, 09:11 PM   #163
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I finished lapping the valves today so the heads are ready to be bolted back on when I finish building the engine. We should be able to pick up the crank, bearings and rings either tomorrow or Tuesday so I'll start putting the short block together at night during the week so we can drop it in the car this coming weekend.

Pictures from today.

Prior to lapping.



With lapping compound.


For Adam, this is the tool I use to lap valves.


You just put light pressure on it and spin it in your hands.


There shouldn't be any shinny sections after lapping it.
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Old 06-03-2013, 08:19 AM   #164
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nice
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Old 06-03-2013, 02:16 PM   #165
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I checked with Dick today and the rings won't be in for a few days. He told me to check back with him on Wednesday.
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Old 06-04-2013, 07:45 AM   #166
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I checked with Dick today and the rings won't be in for a few days. He told me to check back with him on Wednesday.
Have you thought about taking an 1/8 dremel tool and knocking down some of the sharp edges in the chamber?
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Old 06-04-2013, 11:19 AM   #167
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Old 06-04-2013, 11:27 AM   #168
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No doubt they could benefit from some cleaning up but I just don't have the time. I have so many other projects of my own to complete.
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Old 06-04-2013, 03:11 PM   #169
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No doubt they could benefit from some cleaning up but I just don't have the time. I have so many other projects of my own to complete.
Just trying to find more things for your to do...don't want you getting bored
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Old 06-04-2013, 05:37 PM   #170
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Thanks.
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