TieFighter88 Posted June 23, 2012 Share Posted June 23, 2012 (edited) 78 Datsun 280z , L28 F54 Block N42 Head Trying to identify the cause of this thin white smoke. I cannot see exactly where it is coming from and I cannot identify the whether is an odor of burnt oil or coolant. Before I put the valve cover back on, I put a lip of oil with my finger on the gasket , not a good thing? Thin white smoke is coming out of somewhere now, bubbles are entering the radiator when I rev the engine, so I figure it is the head gasket, but could it also be caused from up on the valve cover 2? Could it be the oil on the valve gasket burning? I dont think the Valve cover is that tight down either, I felt 2 of the 10mm bolts around the cover strip out, I barely got to tighten them much... what should I replace them with? This smoke is immediate from a cold start also, well before the engine is at temperature... so I don't think it is just gunk burning around the engine / headers... Edited June 23, 2012 by TieFighter88 Quote Link to comment Share on other sites More sharing options...
NewZed Posted June 23, 2012 Share Posted June 23, 2012 (edited) Get it nice and warm and see if it's still smoking. From your other post - it could be two years of dead bugs or spider webs burning off. Edited June 23, 2012 by NewZed Quote Link to comment Share on other sites More sharing options...
TieFighter88 Posted June 23, 2012 Author Share Posted June 23, 2012 I thought about that also... but after seeing the bubbles in the radiator today I got nervous, and my temperature indicator isn't working right, so I just pushed her back into the garage... Quote Link to comment Share on other sites More sharing options...
TieFighter88 Posted July 21, 2012 Author Share Posted July 21, 2012 (edited) Epiphany : This issue could have been caused by my previous problem I posted here, which turned out to be caused by my previous owners retarded Distributor orientation. Detonation did occur *once* with the incorrect spark plug wiring sequence, this would certainly blow the gasket ? Was a very good bang, and it came out the rear end rather than back out the intake... Will pull the head off when I get back in town, I love these engines, so easy to work with. Edited July 21, 2012 by TieFighter88 Quote Link to comment Share on other sites More sharing options...
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