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Old 10-31-2024, 07:40 AM
Shockwave78 Shockwave78 is offline
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Join Date: Apr 2023
Location: Canyon, TX
Posts: 81
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Quote:
Originally Posted by steve25 View Post
Once a valve and or guide wares more then .001" then due to the fact that the valve stem is round and the guide is round you will see .003" of excess clearance and that shows up as the valve rocking.

First off I am assuming that when you assembled the heads you did so the right way .
1) after the spring goes the oil splash shield goes on.

2) then the retainer goes on.

3) then the O ring goes on.

As long as this oil usage issue is not to the point of fouling out your plugs and creating a miss your ok.

That being said oil getting into a chamber and the carbon built up from it can make for hot spots at high throttle openings which will cause the motor to ping and worse yet knock.

As a precaution for now until you get the heads rebuilt I would run a higher octane fuel if you can.

In terms of reducing the oil and smoke issue now the only thing you can do is run a thicker oil and you might investigate if you can get the motor to run cooler.

Adding a Qt of Lucas brand engine oil supliment is what I would try out first though and see if that helps with the hot restart smoke you see.
I appreciate mentioning the OE valve assembly, I just sat here for 20 minutes trying to remember how I put the heads back together. I don't think I installed the o ring from the top after the splash shield. I think I installed It first, and it just got pushed out of the groove down the stem by everything else. At least we know what the problem is though.

On the bright side, I work at a shop part-time so I should be able to fix that over a few weekends, hopefully, I can rig something up to do it without removing the heads.