Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
If you had some antifreeze in your air tank (if i remember right you said you had some) it very well could be the air compressor. It is going to be a little difficult to check but first off i would top off cooling sys PSI up the cooling system take the PSI up at least to cap PSI (not much over...
I Agree don't scrap it. Was it smoking heavy in a white or gray color while knocking? It is possible it could have a bent push tube or valve train causing your knock.