How to completely change the oil on a dry sump setup?

[the_village_idiot]

Hi guys,

 

How do I drain all the oil from my dry sumped car? I believe it holds around 7L?

 

I have read some people just drain the 5L from the engine and change the oil more frequently than they would if they performed a 7L change but as my car doesn't have a dip stick it would be reassuring to know its to the right level.

 

Thanks :)

[TomB]

I either take the scavenge pump belt off and hand turn the pump to push the oil round and out of the bell housing, or I disconnect the injectors, remove the sparks, and pump it out on the starter motor.

[Mark w]

Why not modify the bottom plate to the bell housing and fit a drain plug in that as well as the sump ?

 

I did some time ago and it makes draining it all so easy. .

[NoLimits]

I may have some bargains at Beaulieu for Club members only.

 

Only 4 left and I won't be making them again.

[the_village_idiot]

Quoting NoLimits: 

I may have some bargains at Beaulieu for Club members only.

 

Only 4 left and I won't be making them again.

 

I understood perhaps 59% of this :D

 

Are you saying you have made something which facilitates changing the oil on my dry sump system? Mark Ws method makes good sense!

[Mark w]

[

 

Are you saying you have made something which facilitates changing the oil on my dry sump system? Mark Ws method makes good sense!

 

This is what i did

 

Bought spare blue plate for bottom of tank

Bought magnetic drain plug ( i think it was the same as the one that fits the gearbox from memory )

Took both to local machine shop

Handed over crisp £50 note

Said machine shop drilled largish hole in middle of plate and "welded " threaded boss on inside of plate

 

Result , fully recessed drain plug not susceptible to being knocked off by speed humps .

 

 

[combine]

Quoting the_village_idiot: 

Hi guys,

 

How do I drain all the oil from my dry sumped car? I believe it holds around 7L?

 

I have read some people just drain the 5L from the engine and change the oil more frequently than they would if they performed a 7L change but as my car doesn't have a dip stick it would be reassuring to know its to the right level.

 

Thanks :)

 

I didn't think any dry sump had a dip stick ?

[the_village_idiot]

Quoting combine: 

 

I didn't think any dry sump had a dip stick ?

 

I'm not sure tbh? I know all the 500 ks don't- I thought I read of a 400 with a dipstick but maybe that wasn't dry sumped?

[Mark w]

Quoting the_village_idiot: 

Quoting combine: 

 

I didn't think any dry sump had a dip stick ?

 

I'm not sure tbh? I know all the 500 ks don't- I thought I read of a 400 with a dipstick but maybe that wasn't dry sumped?

 

My R400K has a dip stick in the dry sump conning tower .

[SLR No.77]

Quoting Mark W: 

Quoting the_village_idiot: 

Quoting combine: 

 

I didn't think any dry sump had a dip stick ?

 

I'm not sure tbh? I know all the 500 ks don't- I thought I read of a 400 with a dipstick but maybe that wasn't dry sumped?

 

My R400K has a dip stick in the dry sump conning tower . As does my SLR

 

Stu.

[7 wonders of the world]

we used to change the oil at service on the rally cars with the engine running, drop the return scavenge off at the tank and place in a container, run the engine and keep the tank topped up.

 

simples

[SLR No.77]

Quoting 7 wonders of the world: 

we used to change the oil at service on the rally cars with the engine running, drop the return scavenge off at the tank and place in a container, run the engine and keep the tank topped up.

 

simples

I imagine swapping the filter was interesting 😳

 

Stu.

[willmac]

Dipstick on my DS R400 as well.

Also luckily have a drain plug at rear of sump close to where blue plate is.

 

I thought total oil capacity for dry sump was just over 6 ltrs ?