Are these heads damaged goods? pics inside
Are these heads damaged goods? pics inside Picked these heads up locally. They are 243, the guy told me they were taken off a 5.3 in a sand rail. He stated that they have a fresh valve job and have been checked out by a machine shop with a few of the valves replaced.
Pitting on some of the bore surfaces. this was the worst of it I believe.
Combustion chamber appears to have damage from I dont know what.
good combustion chamber
bad at different angle
good
Do you guys think these are still good to run or am I just being paranoid??
Pitting on some of the bore surfaces. this was the worst of it I believe.
Combustion chamber appears to have damage from I dont know what.
good combustion chamber
bad at different angle
good
Do you guys think these are still good to run or am I just being paranoid??
TECH Resident
Joined: Feb 2002
Posts: 843
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From: Roseville, Ca.
Take them to a machine shop. See if they need resurfacing or milling. If milled, is your compession, PTV clearance compromised? I'm not an expert, so I'd let a machinist decide. At least have them inspected.
yeah, Id say there fine but maybe take about .005" off the top and the pitting should be gone. I personally dont see anything wrong with the chambers either. Might have been scratched from something but not to worry.
polish chamber to be super save and overly picky which i am and would do.
deck the head the samllest amount you can to clean up for the seal of head gaskets. in NJ the prices would be around 60 bucks for a .005 clean up .and is worth it to be safe.
All this is mostly likey not needed but is what might save time and money in long run. can keep it from being a hack install job
deck the head the samllest amount you can to clean up for the seal of head gaskets. in NJ the prices would be around 60 bucks for a .005 clean up .and is worth it to be safe.
All this is mostly likey not needed but is what might save time and money in long run. can keep it from being a hack install job
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Around here head surfacing is $45-50 for a pair and my dad's shop has it done to every single aluminum head that is removed from an engine just to be safe.
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Verdad Gallardo How about getting rid of some of the Sharp edges around the chambers that are above the head surface? I would like to surface them but I really don't want to take off any more material.
