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> The official, WTF happened to TurtleGirl's engine...., ...on the way to Moab.
Series9
post Sep 26 2006, 03:43 PM
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As many of you are aware, I advised Liz to stop driving her car when I observed exhaust gas venting out of the oil tank on Saturday morning in Moab.

We flat-bedded her home just to be safe.

Looks like it was a good call.

Compression check (cold) reveals:

1. 105
2. 100
3. 105
4. 90
5. -0-
6. 105


The engine has not eaten itself, so we're going in. #4 will receive a check as well.



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Series9
post Sep 26 2006, 03:44 PM
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#5:



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Dr. Roger
post Sep 26 2006, 03:55 PM
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ouch.

zero compression is never a good thing. at least rings would show some compression usually. do the 6 engines lose seats too?

i can build you a SBC engine pretty quick if you like. =-)
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Series9
post Sep 26 2006, 03:57 PM
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QUOTE(Dr. Roger @ Sep 26 2006, 03:55 PM) *

ouch.

zero compression is never a good thing. at least rings would show some compression usually. do the 6 engines lose seats too?

i can build you a SBC engine pretty quick if you like. =-)



Since exhaust was coming out of the oil tank, I'm pretty sure the valves are fine.


And, bite your tongue about the SBC. (IMG:style_emoticons/default/barf.gif)
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Series9
post Sep 26 2006, 04:13 PM
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I think Liz has the 'hard luck' trophy for next year behind door #5. (IMG:style_emoticons/default/happy11.gif)
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Ferg
post Sep 26 2006, 04:18 PM
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Uhg, i'll happily pass the "award" along to her after seeing those compression results. (IMG:style_emoticons/default/sad.gif)

Here's hoping for the best! (IMG:style_emoticons/default/hands.gif)

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Aaron Cox
post Sep 26 2006, 04:21 PM
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looks super rich in there..... wierd... ZERO not even like 20 or 30?

interesting.....

what are you thinking about it? since its zero.. i doubt its my idea of "oil washed away by excess fuel".. and i bet you are right on a holed/busted piston
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Brian Mifsud
post Sep 26 2006, 04:22 PM
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QUOTE(Series9 @ Sep 26 2006, 02:57 PM) *



Since exhaust was coming out of the oil tank, I'm pretty sure the valves are fine.


And, bite your tongue about the SBC. (IMG:style_emoticons/default/barf.gif)



My rule of thumb with my Beetle engines was that when more exhaust gas came out of the crankcase ventilator than the exhaust pipe, it was time to rebuild.

After rebuilding, I'd back off the ignition timing and/or enrichen the mixture as this was usually caused the big holes in the pistons (IMG:style_emoticons/default/biggrin.gif)

$500 complete performance rebuild and back on the road again....

I'm sure it's just as easy and cheap with a 911 (IMG:style_emoticons/default/laugh.gif) (IMG:style_emoticons/default/dead horse.gif) (IMG:style_emoticons/default/dead horse.gif)
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Series9
post Sep 26 2006, 04:33 PM
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QUOTE(Aaron Cox @ Sep 26 2006, 04:21 PM) *

looks super rich in there..... wierd... ZERO not even like 20 or 30?

interesting.....

what are you thinking about it? since its zero.. i doubt its my idea of "oil washed away by excess fuel".. and i bet you are right on a holed/busted piston


I'm pretty sure exhaust was coming out of the oil tank due to a big hole in the piston.
I'm pretty sure it looks 'rich' because there's a big hole in the piston.
I'm pretty sure the compression is zero because there's a BIG HOLE in the piston.

This is all starting to add up. (IMG:style_emoticons/default/idea.gif)
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Aaron Cox
post Sep 26 2006, 04:35 PM
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i think you are right....

so what caused it? lean or advance?
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SirAndy
post Sep 26 2006, 05:08 PM
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QUOTE(Aaron Cox @ Sep 26 2006, 03:35 PM) *

iso what caused it?


PING PING PING

seen it *many* times during my dirt-bike racing days ...
(IMG:style_emoticons/default/barf.gif) Andy
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JPB
post Sep 26 2006, 05:15 PM
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Suckorama bro! How do they say, unlucky in cars lucky in love?


This is a (IMG:style_emoticons/default/WTF.gif) situation for shure.
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Matt Romanowski
post Sep 26 2006, 05:20 PM
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Don't know the motor, but a bunch of things could do it. Too deep of valve reflief pockets. Too lean. Ping (as Andy said) and/or detonation. Timing issue. Weak Piston. On and on....

Sorry to see it. No real telling until you get the piston out. Make sure to pull a couple of other cyclinders off and check the pistons. If it was a lean / timing issue, there could be others ready to go.

You can get Zyglo (or equivalent) at the local Airgas to crack check.

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Bleyseng
post Sep 26 2006, 06:06 PM
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QUOTE(Series9 @ Sep 26 2006, 03:13 PM) *

I think Liz has the 'hard luck' trophy for next year behind door #5. (IMG:style_emoticons/default/happy11.gif)



'bout time someone else got it as Brad has won it 5 years in a row. (IMG:style_emoticons/default/alfred.gif)
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jd66921
post Sep 26 2006, 06:11 PM
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Jeez Liz, I thought you only lost a clutch cable....
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McMark
post Sep 26 2006, 06:19 PM
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Sounds like you've got something nice for the trophy wall. (IMG:style_emoticons/default/wink.gif)

Bummer Liz. (IMG:style_emoticons/default/sad.gif) Time to bump the bore. (IMG:style_emoticons/default/happy11.gif)
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Series9
post Sep 26 2006, 06:19 PM
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It's not lean, but I was running it a little advanced.

I'm going with that or straight bad luck.
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MoveQik
post Sep 26 2006, 06:25 PM
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This should go in the official quotes thread but it is appropriate here as well:

Liz - "I hope the engine isn't shot. I can't afford to put in a 3.2 right now"

As if that was the only option! (IMG:style_emoticons/default/laugh.gif)
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ThinAir
post Sep 26 2006, 11:01 PM
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QUOTE(Series9 @ Sep 26 2006, 03:33 PM) *

I'm pretty sure exhaust was coming out of the oil tank due to a big hole in the piston.
I'm pretty sure it looks 'rich' because there's a big hole in the piston.
I'm pretty sure the compression is zero because there's a BIG HOLE in the piston.

This is all starting to add up. (IMG:style_emoticons/default/idea.gif)

I dunno Joe... I think it's a hole in the piston. Probably a big one! (IMG:style_emoticons/default/sad.gif)
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effutuo101
post Sep 26 2006, 11:03 PM
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How much is one of those nifty fiber optic camers so we can look inside the engines with out taking them apart? Somebody could probalby make a mint with if they made one with a light so we could poke around our motors with out taking them out.
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