Having just built a 1.8 zvh I am getting a worrying amount of smoke out of the exhaust, so much so im thinking of starting a smoke machine company. How ever the smoke is only there at idle. Im only 100 or so miles into the running in of the engine so still on 20/50w oil should i be concerned at this stage?

 

20/50? thats mini oil? why not 10/40?

 

i did some searching around here and the general answer was 20/50w mineral for running in

 

if it is blue smoke, change the oil for 10/40 and see if that fixs it.

 

Should be using this mate http://www.opieoils.co.uk/p-60229-mi...ng-in-oil.aspx 20/50 is really thick and your a zetec bottom end which would normal run 5/30! lol

 

i put 10/40w in to start with but then did some reading around and came too the conclusion that 20/50w. im at a total loss as too what too do really. gonna do a leak down test as well as i have a feeling the rings may well be at fault here. just gutted if they are after the hard work me my old man and my mate put into this engine.

 

I'm assuming you had the bores meassured and either honed or bored to the next size as needed?

 

no we didnt and i am gonna openly say this is probably the major fault here. so i think i just have too bite the bullit and rip the engine apart once again