Blue Smoke, DE Engine

[Massingham]

So, I've done a compression test today. Unfortunately I don't have access to leak down test equipment

 

All 6 cylinders are within the 185-190 PSI range, no major variation

 

Cylinders 2 and 4 (I believe... Closest two cylinders to the front of the car on the right head) both had oil covered spark plugs, 2 being somewhat worse than 4.

 

Not sure where to go from here other than to go ahead and change the stem seals and take it from there.

[ZMANALEX]

A dry compression test will not give you any indication of wear relating to oil consumption or smoke emissions.

[Massingham]

I was told to do it to rule out any major cracks etc.

 

What would the wet test consist of in this case?

 

Thanks.

[ZMANALEX]

If you had a major crack, then I think that you would know about it.

 

A wet compression test is simply a way of getting an indication if you have oil ring issues.

 

Just drop equal amounts of oil down each bore and carry out a compression test and compare your dry and wet readings.

 

It is not conclusive but will give you an indication.

[Massingham]

So just complete another test but with oil in the cylinder?

 

How much should I use and what grade?

 

Thanks for the advice. I'm going to purchase a leak down tester too.

[milseyman]

tool for doing seals with he heads still on got mine orderd mine blawn oot a bit smoke aswell on the up side It stops folk driving right up yer arse

Edited December 9, 2015 by milseyman

[andy10v]

tool for doing seals with he heads still on got mine orderd mine blawn oot a bit smoke aswell on the up side It stops folk driving right up yer arse

 

Did you have to get it from the states?

[milseyman]

yep mate