Make slowboy not so slow

[Halon]

:score010:

And how many times did you rebuild that motor in the Stealth? :D

j/k man, don't kill me :)

[scheides]

Lol!

[asshanson]

Well this sucks, I think there is oil on top of the pistons. Pulled the plugs and looked down about 30 minutes after work once it cooled down and #1 (worst compression cylinder) looked like it had oil sitting in part of it, the rest weren't quite as bad but were still a little wet. There was also oil on the bottom of the vband clamp on the center section of the turbo, and also oil on the water and oil return lines, not sure where this is coming from, maybe from the bottom center stud on the exhaust manifold.

I drained the oil and didn't find a bunch of metal or anything, but I did find a very small piece of metal stuck in the turbo feed line filter. Probably just from break-in (I hope).

[JET]

Oil on the top of the pistons would pretty much have to come from the rings or bad valve seals/guides. What process did you use to gap the rings and grind them to size?

[asshanson]

Well the head was just redone by my machinist friend, who replaced the seals and said all the guides were in great shape.

For the rings, we filed perpendicular to the ring edge, stuck down in cylinder a few inches with piston, measured with feeler gauge, repeat. Top gapped to .020 and second gapped to .023. Also made sure gaps were almost 180* apart so they didn't line up, though they were installed about 90* off what the manual says overall, not sure if that matters.

[JET]

That sounds fine. I would do the compression and leak down tests, then go from there.

[asshanson]

Still haven't done the compression or leakdown tests, partly because I forgot to bring tools with me to Minneapolis last weekend. I won't make the same mistake this weekend.

Anyway, in the 700 miles I drove on the cruise and coming home, I burned just 2/3 of a quart, which is less than before the rebuild. However, when doing the oil change last night I noticed a ton of oil all underneath the car, and on the front side of the block. There was a film covering the water pipe, dripping from the bottom of the turbo compressor, hot side, oil return, and water return. I could see where oil dripped and burned on the downpipe, all over the oil pan, bottom of xfer case and k member, etc.

One thing is that the bottom center exhaust manifold stud is completely stripped (which goes through a big oil return passage), could that be the cause of all the oil coming out and spraying the turbo and water pipe, then dripping down and running back along the oil pan/k member?

[Kevin 1G Drummer]

Sounds like your manifold stud is pissing a little. I would definitely look at that.

[FattyBoomBatty]

Yeah, it sounds like it for sure. Why would mitsu do that? Or is that something you redrilled and tapped too far or something?

[asshanson]

No, I've changed the exhaust studs a couple times because of different turbos that needed longer ones, and the bottom three center stripped. Two were recoverable, and I forgot to have the center one (most important because of oil leakage problem) helicoiled when I had the head off. Bad design I'd say though.

Another thing I just noticed, my dipstick reads 100% full with just 4 quarts in, why could this be? The oil pan is a little dented but not much. Is filling it < .5 quarts over the full line going to make the crank drag in the oil?