Take a look at this head, are the valves bent?

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Old Jun 24, 2006 | 01:18 PM
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From: Ft. Hood
Default Take a look at this head, are the valves bent?

Ok, here's the deal. I purchased this head off a user here on HT back in March and I never used it so I decided to turn around and resale it too make some lunch money. After some very careful inspection, I think I may have been sold a dud thanks to the visual evidence that Cylinder 1's valves seem askew, and the three-bolt adjustable came gear is set all the way to one side.

PICTURES!
Whole head, Distributor side on the left


Cylinder 1 (closest to timing belt)


Cylinder 2


Cylinder 3


Cylinder 4


This is a D16Z6 head with the camshaft set to TDC.


Modified by dr_latino999 at 5:52 PM 6/24/2006
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Old Jun 24, 2006 | 01:42 PM
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From: Ft. Hood
Default Re: Take a look at this head, are the valves bent? (dr_latino999)

Ok, After rummaging about it again, I have determined that the intake valves are definetly bent on Cylinder one and the Exhaust valves as well aren't retracting all the way even when there is no restraining pressure on the spring.

So If just the valve head is bent, I could replace these valves and off I could go, correct? Of course after checking to make sure the seats are still happy and the guides are still true.
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Old Jun 24, 2006 | 01:48 PM
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From: Ft. Hood
Default Re: Take a look at this head, are the valves bent? (dr_latino999)

This is with the cam no longer at TDC, but you get the picture -
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Old Jun 24, 2006 | 02:25 PM
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Default Re: Take a look at this head, are the valves bent? (dr_latino999)

Hey Doc , do you post back and forth to yourself often ? lol
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Old Jun 24, 2006 | 02:34 PM
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Default Re: Take a look at this head, are the valves bent? (Rex-Si)

Dude that last pic, if the cam is removed in it, your valves are definetly bent. I remeber setting my SOHC head @ TDC and the valves were a little off, but I couldnt get em to close and look like I thought they should, but I put the head on the car ran fine. If in that last pic the cam is removed, Id definetly say that the valves are toast.


Blaze
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Old Jun 24, 2006 | 02:48 PM
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Default

If they're the same valves as a d15b7 I can spare some as I'm pulling one from a spare head to repair another of mine,
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Old Jun 25, 2006 | 06:39 AM
  #7  
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From: Ft. Hood
Default Re: Take a look at this head, are the valves bent? (Rex-Si)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rex-Si &raquo;</TD></TR><TR><TD CLASS="quote">Hey Doc , do you post back and forth to yourself often ? lol </TD></TR></TABLE>
Well as I find things out I do post them for reference so I don't forget them.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SVOboy &raquo;</TD></TR><TR><TD CLASS="quote">If they're the same valves as a d15b7 I can spare some as I'm pulling one from a spare head to repair another of mine, </TD></TR></TABLE>
I'll have to check on the valve sizes
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Old Jul 5, 2006 | 05:13 PM
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From: Sitting In My EHTwo, CA
Default Re: Take a look at this head, are the valves bent? (dr_latino999)

[bumping]

I have a head with similar problems... However, I took the cams off and now I can't tell which valves are bent... or if any...

If the cams are off, and the valves are closed... what does that mean?
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Old Jul 5, 2006 | 05:18 PM
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Default Re: Take a look at this head, are the valves bent? (fms1day)

put varsol in the combustion chamber and see which one is leaking.
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Old Jul 5, 2006 | 07:16 PM
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Default Re: Take a look at this head, are the valves bent? (dr_latino999)

Damn! WEll Yeah They R Bent... Good Luck Gettin It Back Together!
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Old Jul 5, 2006 | 11:29 PM
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Default Re: Take a look at this head, are the valves bent? (dr_latino999)

If you wanna find out if the valves are bent, just take the camshaft off and buy some diesel fuel. Put some on the valves and wait for about 10 minutes. None of the valves should be leaking for the first 10 minutes. If you see a river falling through the head as soon as you put the diesel fuel in, it means the valves are bent. If it takes a while for the diesel fuel to go down, then the head is in good condition even though it should not be leaking. If everything is okay, be sure to put some assembly lube on the camshaft and journals on the head before you put it back together.
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