leon51274
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| posted on 12/5/16 at 02:02 PM |
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Gunk in my catch tank
Good afternoon chaps
I appear to be getting a reasonable amount of smelly gunk in my catch tank, the amount in the glass shown has been over the last few weeks and about
300 miles. My question is, Is this normal?
 
Description
 
Description
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nick205
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| posted on 12/5/16 at 02:12 PM |
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Doesn't look right to me, looks like it might have some coolant in with the oil to give it the milky appearance.
Might be worth checking what the plugs look like to see if the colour is what you'd expect it to be.
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mcerd1
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| posted on 12/5/16 at 02:14 PM |
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Mmmmmmm tasty 
Looks like emulsified oil to me (oil mixed with water)
Its quite possible that its just oil mixing with water in the breather system and ending up as mayo in the tank.
But the question is if that's the only place your finding it?
Is the loads of the same stuff inside the oil filler cap or on the dipstick?
Also what engine is it? Some breathe heavier than others... but it does look like quite alot to me
[Edited on 12/5/2016 by mcerd1]
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britishtrident
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| posted on 12/5/16 at 02:49 PM |
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What temperature is the engine running at ?
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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leon51274
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| posted on 12/5/16 at 03:04 PM |
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Cheers for the replies guys.
Engine is a 2.0 silvertop unmodified running jenvey tb
No sign of emulsification on either the dipstick or oil filler cap
Engine temp is actually quite low, 80 while running about maybe 90 in traffic
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Adamirish
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| posted on 12/5/16 at 03:04 PM |
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Looks similar to mine to be honest. Condensation mixed with oil makes it Mayo like. I wouldn't worry about it.
MK Indy 1700 Xflow
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nick205
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| posted on 12/5/16 at 03:11 PM |
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Condensation is a possibility, but it does seem quite a bit to have "breathed" out of the engine over a short distance.
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benchmark51
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| posted on 12/5/16 at 03:36 PM |
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Some years ago now, but we used to find GTX would get condensation problems on Fords. However I would be worried about a head gasket problem here.
Maybe a compression test and a coolant pressure test too. Also a friendly MoT man might use an exhaust probe to 'sniff' for combustion
gases in your header tank.
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steve m
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| posted on 12/5/16 at 04:30 PM |
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"Looks similar to mine to be honest. Condensation mixed with oil makes it Mayo like. I wouldn't worry about it."
and my crossflow, for the first couple of runs of the season, but it normally clears up with an oil change and use
steve
Thats was probably spelt wrong, or had some grammer, that the "grammer police have to have a moan at
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Adamirish
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| posted on 12/5/16 at 04:53 PM |
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quote:
Originally posted by nick205
Condensation is a possibility, but it does seem quite a bit to have "breathed" out of the engine over a short distance.
Short distances makes the matter worse. Not enough time to "burn off" the condensation.
You have no idea of how many cars I have been told "the head gaskets gone mate" because of mayo under the oil cap or in the breather pipe.
Just short journeys do that.
Especially this time of year when our kind of cars are coming out of hibernation!
MK Indy 1700 Xflow
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britishtrident
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| posted on 12/5/16 at 06:25 PM |
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80c at the cylinder head outlet is too cold, these engines were designed to run at around 100c, a properly working thermostat with enough by-pass
circulation to keep the lower half of the engine in the high 80's.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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rm0rgan
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| posted on 13/5/16 at 07:26 AM |
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quote:
Originally posted by britishtrident
80c at the cylinder head outlet is too cold, these engines were designed to run at around 100c, a properly working thermostat with enough by-pass
circulation to keep the lower half of the engine in the high 80's.
Beat me to bitritishtrident - check you have a thermostat fitted and it's working. Some people drill a couple of holes in the surround to help
warm up if they don't have a by-pass circuit fitted.
Sigs are uncool.
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leon51274
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| posted on 13/5/16 at 08:05 AM |
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Cheers for the replies lads. I did think it was running a bit cool to be honest so I'll check the stat.
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