cylinder marks..

[top535i]

Hello.
After I honed the cylinders today this is whats left of the marks that was on them. Now would YOU, reassemble the engine with it like this, or would you get it bored out or even get a new block? btw hard to take good pictures of these.

http://i33.photobucket.com/albums/d58/le700/S5002840.jpg

the deepest ones:
http://i33.photobucket.com/albums/d58/le700/S5002842.jpg



http://i33.photobucket.com/albums/d58/le700/S5002847.jpg


http://i33.photobucket.com/albums/d58/le700/S5002846.jpg



http://i33.photobucket.com/albums/d58/le700/S5002845.jpg

the deepest again:
http://i33.photobucket.com/albums/d58/le700/S5002843.jpg

[Binjammin]

First of all, what did you hone them with? Second of all, did you hone the block with the crank in? I don't know what you're trying to do here. I can understand bolting the crank in to keep the block steady, but if you're just using like a cylinder hone on a power drill, that's hardly scientific. Are you hoping to reuse your pistons or something?

Do you have a cylinder roundness gauge to see if they're tapered at all? What's the story here?

[BavarianFanatic]

Yeah, I'm actually curious what caused the gouges? I personally would get the block cut. You really don't want "gouges" in your cylinder walls. Your rings won't be very long for this world. And your crank looks awful. You really shouldn't be working your cylinders with the crank installed. Those journals look pretty rough. And now everything seems to be coated with slurry from the honing???

[top535i]

I started by changing the bearing on the driveshaft. Figured I'd do the headgasket etc, since the exhaust was already of. So when I were pulling the head off, I noticed markings on some of the cylinders. Next thing you know the engine is out of the car and the pistons are out of the block. So what's next:
I bought a flexhone "toilet brush" to hone with. Yes, did it with crank in place. Figured I'd have to clean everything afterwards, and change the bearings, so what the he**. I were hoping to remove these markings by honing the cylinders, as they didn't feel that deep (and it's my first engine job on a car, so never done this before).
The car was previously stored for a couple of years or so. Think those markings were a result of that, combined with moisture in there..
Yes used a hone on a drill, so maybe not scientific, but trying to learn. And yes I am hoping to reuse my pistons, but with new rings if possible. Don't have that gauge, but the cylinders look good except for those markings. The original hone patterns were still there..


Yeah, I'm actually curious what caused the gouges? I personally would get the block cut. You really don't want "gouges" in your cylinder walls. Your rings won't be very long for this world. And your crank looks awful. You really shouldn't be working your cylinders with the crank installed. Those journals look pretty rough. And now everything seems to be coated with slurry from the honing???
Well, they aren't bad, just looks that way cause of the honing oil. It has to be cleaned and change to new crank bearings.

[5mall5nail5]

Dudes - thats not a real hone.

If you are serious about the marks, take the motor out and have it "honed".

[ShapeShifter]

Better mic the bores to make sure they are within spec for your new rings.

I highly dubt it's square.

[Binjammin]

Here's the thing: if you have corrosion marks you need to have it done at a machine shop to begin with. Get new pistons that are matched to the size your machine shop punches the block to. If not you're just guessing. Honing the block like that, you can have a bulged or tapered bore that you'd never know about, but it would look like everthing was hunky dory. When it comes to building an engine do it once and do it right.

[BavarianFanatic]

Or...for the money you'd spend on machining, pistons, rings, bearings, etc. you might as well pick up a short block. M30s are pretty cheap these days...

[GlenLloyd]

What you used wasn't an engine hone and i don't see any cross hatch to help seat new rings. You need it bored and properly honed. I bet it isn't round anymore.

[ShapeShifter]

Dubt that would have worked on a sears lawn mower...

[m60b30530i]

Dubt that would have worked on a sears lawn mower...

:lol

might as well bore it out to 3.8 , bored and stroked , up the compression get a cam and some head work.

[Deanx2009]

Oh noes.

[free740il]

Dubt that would have worked on a sears lawn mower...


You are aware there is an "o" in the word "doubt," right?

[ShapeShifter]

:eek:Yes, and I don't care.

Thanks for making me feel real stupid.
Must be nice to go through life correcting grahmatical errors and feeling like a big shot!!:redspot

[free740il]

:eek:Yes, and I don't care.

Thanks for making me feel real stupid.
Must be nice to go through life correcting grahmatical errors and feeling like a big shot!!:redspot

Grammatical.

[BavarianFanatic]

Grammatical.

Awesome.

[ShapeShifter]

perfekt!

[Christoffer]

Children...

[Binjammin]

:eek:Yes, and I don't care.

Thanks for making me feel real stupid.
Must be nice to go through life correcting grahmatical errors and feeling like a big shot!!:redspot

I don't know but it probably feels better than going through life feeling real stupid.

[ShapeShifter]

yea, you are right.

[BavarianFanatic]

Yeah

This is fun! Just kidding PorchDood! It's all in good fun.

Stay in school kids!