Over filled my engine with oil what would happen ?

Over filled my engine with oil what would happen ?

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vrooom

Original Poster:

3,763 posts

274 months

Friday 10th December 2004
quotequote all

I over filled my a-series engine. i over filled by 7mm on dipstick above max line.

What would happen apart from a smokey engine?

jay

docevi1

10,430 posts

255 months

Friday 10th December 2004
quotequote all
I was told that overfilling was more dangerous than underfilling as the oil is frothed up my the crank and loses all it's lubrication.

It's a thread on here which stated catergorically you should drain the excess out.

trooperiziz

9,457 posts

259 months

Friday 10th December 2004
quotequote all
Whereas a lot of racers overfill their cars to stop oil starvation.

7mm on the dipstick is nothing to worry about, if you seriously overfill then you could be in trouble, but you are talking 2 litres over in a normal 4 cylinder.

The 4.5 AJP V8 on a dry sump can easily take an extra 2 litres with no bother, on my 4.2 AJP V8 I over fill by 500ml by default.

GreenV8S

30,489 posts

291 months

Friday 10th December 2004
quotequote all
7mm don't worry about it. I routinely overfill my RV8 by half an inch for track days, even with a fully baffled flap valved sump and flashing lights and buzzers on the oil pressure switch I just don't want to take the slightest chance of starvation. I think the biggest danger of overfilling is oil froth being blown out the breather and ingested by the engine, potentially doing a lot of hydraulic damage. But on mine the breather is right at the top of the rocker covers so that ain't going to happen.

Pigeon

18,535 posts

253 months

Friday 10th December 2004
quotequote all
7mm over the mark on an A-series makes no difference at all, don't worry about it.

rumpelstiltskin

2,805 posts

266 months

Sunday 12th December 2004
quotequote all
If your overly worried about it drop the sump plug for a second.

steve_D

13,796 posts

265 months

Monday 13th December 2004
quotequote all
If it's anything like the last A-series I had the level will be going down through the max mark in about 2 days.

Steve