sk8er_of_durand

i have a 87 non turbo with 177000 miles on it. it just started smoking after i put some oil in it. i cant seem to figure out why. can anyone help me?

zcar300zx

what color is the oil????and how much did you fill??

zcar300zx

I MEAN....what color is the smoke lol

86zxt(954)

u soaked the valves...

zcar300zx

like i said....WHAT COLOR IS THE SMOKE...dont just jump to conclusions..there are many different ways for a car to burn oil..and leaking valve guides/seals is not the only way to do it

sk8er_of_durand

The smoke it white with gray. The color of the oil is a dark brown.

sk8er_of_durand

i only added 2 qrts

zcar300zx

k well...burning OIL is a blueish hue...white means coolant and black = gas...so if it is sortof a blueishi whitish color than yes be thinking oil... Too high an oil level in the crankcase will let the crankshaft churn the oil to foam. This will result in oil pump starvation, which means your engine won't be properly lubricated. Overfilling can also lead to high crankcase pressure, possibly leading to oil seal leaks. meaning yes the valve guide/seals oil rings on the pistons...either way..DAMMMMIT

86zxt(954)

told u....

Fast240Z

does it smoke at startup, or anytime you drive it?

zcar300zx

good point fast, good question

zcar300zx

does it smoke on startup or acceleration or deceleration is the question?

Fast240Z

if it smokes only at startup, there's a good chance that your valve guides are bad. If it smokes all the time, then there is a good chance that you are getting some blow by from the piston rings.

zcar300zx

agreed...doesnt seem hes too interested tho lol

sk8er_of_durand

it doesnt somke until i start to driving for about 5 minutes then it smokes

Fast240Z

sounds like blow by from the rings, which isn't a good thing. If it is, then you're going to have to replace your piston rings, which is alot of labor.

zcar300zx

for sure...or alot of cash lost depending on if youre a backyard warrior or a let someone else do the job sorta guy

sk8er_of_durand

how much are piston ring and does any one know of any one selling a 300zx motor complete only or just some piston rings

zcar300zx

try zcarparts.com... or checker lol....anywhere sells rings...just a matter of labor

madness

u can get a used engine for 600 to 800 thats block and heads only u will need to switch over everything else. most places offer decent shipping rates and a warranty. i have only found one complete motor and it was 87 turbo for 900 and 200 to ship.