Posted April 30, 200222 yr comment_6453 <auto noobie here> Hello all, I just picked up my 1973 240z runs pretty good. I have a issue it seams with oil in air cleaners ( dual weber downdrafts, don't know the numbers of them ). Is this blow by? If so how do I fix it. Thanks For any help. N@tster Link to comment https://www.classiczcars.com/forums/topic/1516-oil-in-air-cleaner/ Share on other sites More sharing options...
May 1, 200222 yr comment_6478 More than likely it is blowby. First thing to do would be a compression and leakdown test to find out where the problem is. It could be in the valvetrain or rings or a little of both. Until then you could run the breather hose to a catch can until you get the problem diagnosed and/or fixed. Link to comment https://www.classiczcars.com/forums/topic/1516-oil-in-air-cleaner/#findComment-6478 Share on other sites More sharing options...
May 1, 200222 yr Author comment_6506 2many,Thanks for the advice....i'll try and see if i can have that done this weekend.N@ster Link to comment https://www.classiczcars.com/forums/topic/1516-oil-in-air-cleaner/#findComment-6506 Share on other sites More sharing options...
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