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MEP-803A - New to me, excited to get it going.

KD7CAO

Member
Steel Soldiers Supporter
26
58
13
Location
Aubrey, TX
Thank you for the suggestions everyone. I am cancelling the order on the parts and gaskets. Company was deceptive in their advertisement, raised the price on me after I ordered (PayPal notified me thankfully). Now trying to get a refund from them so I can order from somewhere else. The push rods are coming from forum member so those will be okay. I think the one bent valve isn't actually bent, just has a mass of carbon stuck to it that prohibited it from pulling out properly. Looking into ultrasonic cleaners right now too. But CLR is a lot cheaper so going to give it a try too.
 

2Pbfeet

Well-known member
697
1,412
93
Location
Mt. Hamilton, CA
@KD7CAO Just a heads up; gun barrels usually have a surface treatment that makes them more corrosion resistant, e.g. bluing, or nitriding. Plain steel, like a valve, will corrode in acids, e.g. CLR, so keep a close eye on the parts if you do use it. Remember the old experiments with Coca-cola (pH 2.4+/-) and a nail? Per the MSDS for CLR, it is about a pH of 2.2, so even more acidic.

I'm not saying CLR won't work, but I personally wouldn't use it on engine parts, for this and other reasons (hydrogen embrittlement).

All the best,

2PbFeet
 
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