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Originally Posted By: artificialist Sometimes an aftermarket PCV valve will open and close at the wrong times. That can lead to excess oil consumption. What kind of PCV valve did your rebuilt engine get? Well, I bought one that looks like shiny aluminum. There were some that were plastic, but...

Originally Posted By: Nayov They didn't clean the valve cover when they rebuilt the engine? That looks terrible. Lol, that is not my cover. I took that pic from the link in this thread. I replaced the thing yesterday night and could take any pictures... Not that it is better than the one in...

I just changed this thing right here, the rocker gasket: The old one was in pretty bad shape, like half the height of the new one and very stiff. BTW, after the rebuilding, the engine has never smoked after sitting overnight, not even when revving it high.

Originally Posted By: Cardenio327 Originally Posted By: Dustained Originally Posted By: Cardenio327 Would your car be a Tsuru GS2000 then? The engine looks familiar. Yes, Tsuru GST 1995. Nissan made the engine from 1992 to 1997, after that, Mexico started making the nerfed version, I have no...

Originally Posted By: Nayov I have the same engine in my DD...could be the "rocker gasket"...I experienced that problem and here is the solution: http://www.nissanforums.com/ga16de-1-6l-engine/160191-random-oil-loss-smoke-every-once.html Wow, that thing!! I never changed that during the...

BTW, I truly appreciate everybody's input, though I'm still undecided as to opening the engine or not.

Originally Posted By: Cardenio327 Would your car be a Tsuru GS2000 then? The engine looks familiar. Yes, Tsuru GST 1995. Nissan made the engine from 1992 to 1997, after that, Mexico started making the nerfed version, I have no idea why.

Originally Posted By: Cardenio327 OP, you are in Mexico, right? Originally Posted By: Dustained Nissan GA16DE Call around to Nissan dealerships, that engine is available brand new as a crate engine for $19000 pesos. There is no reason whatsoever to rebuild a GA16DE unless you want to do it...

Why do you guys think the oil level remains the same?

Originally Posted By: Quest blue smoke when accelerating hard after coasting indicates high vacuum (on non-turbo gasoline engines), which typically sucks the oil through valve guides and valve-stem seals. Bottomline: have you check the valve guides for wear and clearances and also replace the...

Originally Posted By: DirtyMoe21 I would give the engine a little bit longer to wear in before I got too worried. It's got about 5000 miles now, do you think it hasn't worn in yet?

Originally Posted By: spasm3 that sounds like valve stem seals. I have thought about that, but the fact that the oil level has stayed the same for 1000 miles makes me doubt. It's Valvoline Synpower 10w-30.

Basically the only thing that is not new is the crankshaft and the camshafts, it is DOHC. The engine block is also the original iron cast one. The thing is that it doesn't burn any oil.

The smoke is blueish, the engine is a very recently rebuilt Nissan GA16DE. Oil level is exactly where it was 1000 miles ago, when I did the oil change. After coasting for say 10 miles or so, I step on the gas to the bottom, blueish smoke comes out for like 2 seconds, and after that I can rev it...

I think I may have found the culprit just now, though it still makes no sense to me: more than half a quart of extra oil that I just drained. Temps went back to the more usual 194 - 200 F, but certainly haven't reached the 212 F that was common with the Mobil 1.

Originally Posted By: tig1 So you are saying that the differance in oil made a 18 F change in water temp? I am ASKING.

The dial is very accurate, at least to my knowledge. The car has no oil cooler, and I used the same coolant, Peak, before and after the rebuild. The weird thing is that after the rebuild, during the break in with dyno oil, the car ran a bit cooler than with the M1. I had a 1994 V6 Chrysler...

It could be, though it is also new, bought it during the engine rebuild. New radiator, water pump and hoses too. I have always used M1 and I love it, but the price here is just too much now, 14 dollars a quart.

The engine is a rebuilt Nissan GA16DE 1.6 L, DOHC. Everything inside is new (pistons, valves, etc.) and the block was remachined where it had to be. For break in, I used some Motorcraft dino oil for 1000 kms (no oil consumption at all), and then changed it to Mobil 1 5W-30 Synthetic. The car...