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Oily scaly deposit in inlet port.
https://www.ausmini.com/forums/viewtopic.php?f=2&t=84679		 Page 1 of 1
Author:  65deluxe [ Fri Feb 21, 2014 4:46 pm ]
Post subject:  Oily scaly deposit in inlet port.
G'day,

Just picked up a cylinder head. It has oily, scaly deposits in one of the inlet ports. I guess it is a little like red tree sap, only more scaly. I am thinking ( hoping ) that it may just be a bit of rust scale from being out in the weather.??.. lots of carbon/oil build up in the corresponding chambers. Does this sound like anything that a little clean up won't fix??

Thanks!
Author:  drmini in aust [ Fri Feb 21, 2014 6:39 pm ]
Post subject:  Re: Oily scaly deposit in inlet port.
I'd clean it all up properly, then crack test it before doing anything..
I spent good money on a 1275LS head once- I fitted new guides, recut seats, did some porting etc, then when I pressure tested it (bolted 2 heads together and attached garden hose) I had a sprinkler in 1 inlet port. That explained why that valve seat was corroded bad when bought. :cry:
Author:  65deluxe [ Fri Feb 21, 2014 7:14 pm ]
Post subject:  Re: Oily scaly deposit in inlet port.
Thanks, Drmini.
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