95 JDM GSR motor rebuilt with 4,500 miles on it.
The other day I didn’t put my radiator cap on right and it feel off while I was driving and the coolant came out. Don’t really know how far I drove before I came to a stop, but I know it wasn’t far before I realized what had happened. The car didn’t overheat at that time.

I put more coolant and a new radiator cap. Later when I started the car, a puff of white smoke came out the exhaust , but the car ran fine, idles fine, etc….

Saturday night the car started to idle a little funny so I started to check things out. I noticed smoke starting to come out the exhaust, which was a light white smoke. Not a lot, but some was coming out. Then I noticed a little what looked to be water coming out the exhaust as well. At first I thought I had bent a valve somehow, but I did a compression test and all numbers are 210 across.

The smoked stopped after a bit, so we went for a drive, hit about 5lbs of boost, car seemed fine, pulled like normal. Went back to the garage, checked things out , then the smoke started to come back, not a lot, just a little. Then it would stop , then come back again. I checked my coolant and saw no signs of oil, car wasn’t over heating, just some white smoke out the exhaust. So then I looked under the oil cap and saw a thin film of what seemed to be the milky stuff  .

So… ya’ll think I have a small headgasket leak? That’s what I’m thinking , but trying to get other opinions before I pull the head off.

Thanks and sorry for the long story, but wanted to try to explain everything to help diagnose.

 

any thoughts

 

Bump, someone help him out

 

i think the coolant is coming from the IM and going into the head.

 

change your oil.. You dont want coolant in the oil, and its definatley getting in there somehow.

Pressure test the cooling system, and do a leakdown test, this will help you narrow down where your coolant is entering the engine.