Dropped a valve seat do I need to replace both heads? - Dodge Charger Forums
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#1 Old 11-30-2012, 05:13 PM
ltmax
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Dropped a valve seat do I need to replace both heads?

My 5.7 2006 Hemi overheated and a few weeks later dropped a valve seat on the right side. Can I just replace the one cylinder head and go or is there a good chance that the other head is now a ticking time bomb?

Hate to spend more than I have to, but don't want to have to waste another weekend redoing the job either.

Thanks
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#2 Old 11-30-2012, 08:08 PM
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I would do both as cheap insurance,just me though. Heck since you gotta pull the heads les put a cam in it and top it off with performance heads

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#3 Old 11-30-2012, 09:07 PM
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I would do both heads!
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#4 Old 11-30-2012, 09:52 PM
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I would do both as cheap insurance,just me though. Heck since you gotta pull the heads les put a cam in it and top it off with performance heads
I agree!

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#5 Old 12-01-2012, 01:56 AM
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That's what I thought, thanks for the confirmation. Looks like next weekend just got a whole lot longer....
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#6 Old 12-01-2012, 07:14 AM
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I hope your piston isnt damaged or your weekend will be even longer.

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#7 Old 12-01-2012, 08:02 AM
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I hope your piston isnt damaged or your weekend will be even longer.
maybe rent a scope and take a look before he even bothers removing the head? Might be looking at a bigger repair... can you spell stroker?

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#8 Old 12-01-2012, 07:04 PM
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I hope your piston isnt damaged or your weekend will be even longer.
And let's hope the cylinder wall isn't scored either...

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#9 Old 12-03-2012, 08:39 AM
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I'm going to look at my first Charger today.
I had heard that valve seats were a problem in the 5.7L.

How common is this?
All years?
Any pre-emtive measures?

Thanks.
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#10 Old 12-03-2012, 09:03 AM
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Originally Posted by MADZRXMATT View Post
I'm going to look at my first Charger today.
I had heard that valve seats were a problem in the 5.7L.

How common is this?
All years?
Any pre-emtive measures?

Thanks.
It seems to be more common in the 06 models. There are some belief that a colder thermostat and turning off mds will help prevent but it is not a guarantee. You definitely dont want to let your engine overheat.

I personally dont turn my car off when doing quick stops since it seems to happen after pumping gas.
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