Rust coolant tubes = blown coolant seals?
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Rust coolant tubes = blown coolant seals?
There is an old 13b I'm looking at buying that has a rusty coloring around the coolant line inlets. (see attached picture) I've only bought one other 13b that had rusty looking crap like this one and I found out later it had a old blown coolant seal. Is coolant rust indicative of a bad seal? It's entirely possible that I am crazy, so I'm not discounting that just yet.
Any thoughts you rotary people?
Any thoughts you rotary people?
#2
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Rust means a poorly maintained cooling system. It does not automatically mean it has a blown seal, but I wouldn't put it past an old engine that it does have failed seals. If you purchase it, use a garden hose and try and blow out all of the rusty water as best as you can in the reverse direction of flow.
Install the engine and run an aluminum safe radiator cleaner through the engine and flush it out. It will not look brand new, but it's the best you're gonna get without a tear down,
Install the engine and run an aluminum safe radiator cleaner through the engine and flush it out. It will not look brand new, but it's the best you're gonna get without a tear down,
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I work on more than rotaries at the shop. Some engines are better than others, but all rotaries I have seen have some rust to them. I would expect that new housings and a better quality coolant or a different type, such as a long life HOAT coolant would fare better.
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#10
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newp, maybe not all series of irons are treated the same way but many of the "new" FC parts i received came from an engine that actually had been run before, but showed almost no sign of wear. these parts came from independent shops that deal with factory new parts too.
the examples were series 5 thick cast turbo rear irons, which may perhaps have been an exception in this case so i may in fact be wrong and not all irons go through this process before sold.
the examples were series 5 thick cast turbo rear irons, which may perhaps have been an exception in this case so i may in fact be wrong and not all irons go through this process before sold.
Last edited by RotaryEvolution; 06-03-16 at 07:14 PM.
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