fuel in the engine oil
#6
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Originally posted by Maltese RX7
But before I never had fuel in the oil so I'm concerned. Does anyone have any idea if fuel stays on top of engine oil or under???
But before I never had fuel in the oil so I'm concerned. Does anyone have any idea if fuel stays on top of engine oil or under???
#7
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This is common on a rotary. The rotary injects oil (via the MOP), so the oil level should go down, maybe up to a quart between oil changes. This is one of the key reasons to change the oil very often, more so than a piston engine. It is also why so many engines blow - someone didn't check it.
However - some people do not see much drop in oil level between changes due to fuel getting into the oil. This obviously dilutes the oil and will contribute to early engine death. So change early, change often.
By itself, fuel getting in there is not a concern, as it happens to everyone. Now if you let it go 5K miles between changes, watch out.
This is one argument against using synthetics in a rotary. Yes, even if the ash build-up of some synthetics is not a problem with your brand, you still want to change the oil every 2 - 3K. That will get rid of the fuel build-up.
For more info, go to my site (URL below), and then Upgrades --> Engine --> Oil. No, I don't sell oil :-)
Cheers,
Steve
http://www.ScuderiaCiriani.com/rx7
However - some people do not see much drop in oil level between changes due to fuel getting into the oil. This obviously dilutes the oil and will contribute to early engine death. So change early, change often.
By itself, fuel getting in there is not a concern, as it happens to everyone. Now if you let it go 5K miles between changes, watch out.
This is one argument against using synthetics in a rotary. Yes, even if the ash build-up of some synthetics is not a problem with your brand, you still want to change the oil every 2 - 3K. That will get rid of the fuel build-up.
For more info, go to my site (URL below), and then Upgrades --> Engine --> Oil. No, I don't sell oil :-)
Cheers,
Steve
http://www.ScuderiaCiriani.com/rx7
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