Bill's 200 20v,on the road again

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Bill's 200 20v, rebuild underway

Postby audios » Thu Oct 19, 2017 7:15 am

That could be, Ill ask Casey how he oriented them when installing. Here is the catch can/ccv set up. Although now I have the two lines going to BMW oil air separator's

I was told my my friend Ivan that i should not be venting out of the VC but only the block and he suggested doing what he on his 4ktq 20v where he had the return to the oil pan above the oil level. im still waiting on pics of his set up....

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Bill's 200 20v, rebuild underway

Postby audios » Sat Oct 21, 2017 6:29 pm

Pulled the piston rings today, seems to be some buildup behind the oil ring, does this look normal? Also the oil ring seems to be smaller in diameter than the middle and talk ring. Normally the VW/Audi oil rings work great and I do not change them, but think I may change these over


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Re: Bill's 200 20v, rebuild underway

Postby audios » Sun Oct 22, 2017 6:17 pm

Pulled the rest of the Pistons and rods tonight, cylinder walls on three and five look scored. ImageImage




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Re: Bill's 200 20v, rebuild underway

Postby audios » Sun Oct 22, 2017 6:18 pm

Pulled the rest of the Pistons and rods tonight, cylinder walls on three and five look scored. ImageImage




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Re: Bill's 200 20v, rebuild underway

Postby audios » Mon Oct 23, 2017 7:21 pm

Found that the top ring was broken in cylinder number four. Looking to purchase rod bearings and the ultimate crankcase breather vent adapter from Marc at EFI express Image


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Re: Bill's 200 20v, rebuild underway

Postby PRY4SNO » Mon Oct 23, 2017 8:01 pm

How deep is the scoring? Tough to tell but looks like it should hone out without requiring a full rebore?
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Re: Bill's 200 20v, rebuild underway

Postby audios » Mon Oct 23, 2017 8:16 pm

Found that the top ring was broken in cylinder number four. Looking to purchase rod bearings and the ultimate crankcase breather vent adapter from Marc at EFI express Image


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Re: Bill's 200 20v, rebuild underway

Postby WOMBAT » Tue Oct 24, 2017 7:15 am

The poor leak down is making a lot of sense... Glad you're making her new and proper.
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Current Attire:
- 2007 Audi A3 3.2 quattro

Past Projects:
- 07 Cooper S - 91 200 20vt - 91 90 20v - 85 4000CS - 96 Audi Cabriolet 5 Spd - 02 A4 1.8T - 91 V8 5 Spd - 01 A6 2.7T 6 Spd Sport - 86 5000CS - 91 100
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Re: Bill's 200 20v, rebuild underway

Postby audios » Sun Nov 12, 2017 6:17 pm

Soaking the pistons in seafoam to clean them up, seems to be working wellImage


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Re: Bill's 200 20v, rebuild underway

Postby audios » Mon Nov 13, 2017 5:43 pm

There is definitely some build up in the ring-lands, especially the oil ring. the severity seems to correspond to the leak down #'s. dosent want to clean up with the nylon brushes, will have to look up best way to clean w/o damaging pistons
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Re: Bill's 200 20v, rebuild underway

Postby dana » Tue Nov 14, 2017 9:36 am

Bill, I have a piston ring groove cleaning tool, works pretty well. Looks like this.
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current:
-mk4 tdi wagon with some mods
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past:
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-efi 10vt 4kq
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Re: Bill's 200 20v, rebuild underway

Postby audios » Thu Nov 16, 2017 6:00 pm

been doing a bit of reading, what do you all think of this :

http://www.angelfire.com/biz/snwvlly/bikes/dnthone.htm

Basically saying that you dont need to break the glaze or hone for the new rings...... just trying to make the best decision possible
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Re: Bill's 200 20v, rebuild underway

Postby audios » Tue Nov 21, 2017 7:24 pm

Gave a shot at ball honing tonight. Used A flex hone 240 grit , my first time. Hatching pattern is not perfect, but more alarming is these two scratches on cylinder three and five…ImageImage


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Re: Bill's 200 20v, rebuild underway

Postby audifreakjim » Wed Nov 22, 2017 2:39 pm

Can you catch your fingernail on those? I mean, they are going to effect compression and leak down, but hard to say how much. Looks like some rings were not de-burred during the gapping process.
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Re: Bill's 200 20v, rebuild underway

Postby audios » Fri Nov 24, 2017 5:09 pm

Not sure, I did not assemble motor, I figured it would effect a bit. I plan to just run it and build good breather. Image


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Re: Bill's 200 20v, rebuild underway

Postby audios » Tue Nov 28, 2017 4:19 pm

Out of the garage at the farm, getting ready to make the voyage to my houseImageImage


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Bill's 200 20v, rebuild underway

Postby Afterthought » Tue Nov 28, 2017 6:47 pm

I never did figure out for myself the exact proper way to set up an aftermarket catch can ...
do you have a source of vacuum pulling through it to the intake ?

My car project isn’t running yet , At the advice of some others I have set mine up to collect everything and I will drain it myself rather than running it directly to the pan .
Some were finding some pretty weird milky substance in there that they didn’t want ending up in the pan so I figured I would run it for a bit and see . Maybe someone more experienced on here has some advice.
A pic for reference from quattroworld URS4 FAQ
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1983 UrQuattro - http://theprojectpad.com/viewtopic.php?f=11&t=1819&p=72513#p72513
1983 Ur Quattro Amazon Blue / Zebra MC
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Re: Bill's 200 20v, rebuild underway

Postby PRY4SNO » Tue Dec 05, 2017 10:37 pm

That milky substance should be an emulsion of water vapour in the oil.
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|| 2010 Golf Sportwagen TDI /// Farmenwagen
|| 1992 80 quattro 20v /// Eventual AAN'd Winter Sled
|| 1990 Coupe quattro /// Because Racecar

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Re: Bill's 200 20v, rebuild underway

Postby audios » Tue Dec 12, 2017 8:26 pm

Just got back with the new van, snow on the white car
ImageImage


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Re: Bill's 200 20v, rebuild underway

Postby audios » Wed Dec 13, 2017 6:54 pm

Installed piston rings tonight, also looked at the oil pick up tube. Found a lot of little plastic pieces. There were quite a few more than even in this picture…Image


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Re: Bill's 200 20v, rebuild underway

Postby Aktapod » Thu Dec 14, 2017 12:55 am

Those plastic pieces are pretty common. I'd bet they're the remains of the cam splash shield that sat under the oil fill cap. They pretty much all disintegrate eventually and end up in the sump.

Great work on the car! Jealous of the snow too
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- 1991 200 20vt
- 1992 Audi V8 5-speed swap
- 2002 Audi S8
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Re: Bill's 200 20v, rebuild underway

Postby audios » Fri Dec 15, 2017 7:55 pm

Put on the new rod bearings tonight, took a few photos of the rod/ cap of cylinders 1&2 although they all looked similar. Any ideas of the possible cause of the markings?
ImageImageImageImage


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Re: Bill's 200 20v, rebuild underway

Postby audios » Sat Dec 16, 2017 7:42 pm

Started on my take of a windage tray, based on Ian's (slacker20vt on MG)
http://www.motorgeek.com/viewtopic.php?t=23462
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Re: Bill's 200 20v, rebuild underway

Postby audios » Tue Jan 02, 2018 7:11 pm

A bit more progress Image


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Re: Bill's 200 20v, rebuild underway

Postby audios » Thu Jan 04, 2018 3:25 pm

Still not done, but bolted up.... Image


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