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Help - Where Do These Hoses Go?

This evening I removed the intercooler on my 88 930 and found a few disconnected hoses, a cork plug and a loose wire in various areas of the engine. I need some help in determining where the hoses should go and more importantly, what the effect is on the engine performance with them disconnected as they are now. I'm guessing that some of them might have been disconnected in order to pass California emissions testing, but that's just a guess. Anyway, here they are. Any help very much appreciated!

Loose Hose #1 - Has a screw inserted in the loose end.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200694.jpg

Loose Hose #2 - Also has a screw inserted in the loose end.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200695.jpg

Loose Hose #3

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200696.jpg

Cork Inserted in Air Filter Housing. Why? Also, looks like a loose ground wire?

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200697.jpg

See hose slipped off, but not sure if done on purpose or just slipped off?

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200700.jpg

Should A Hose Be Connected to this Inlet Under Air Filter Housing?

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200701.jpg

Just a Full View of My Engine With Intercooler Removed

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200702.jpg

Looks Like a Torn Paper Air Hose in this Photo? But not sure.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200704.jpg

What Is the Red Thingee and Should a Wire Be Connected to the Second Terminal?

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200706.jpg


Those are all the areas I could find that looked like possible contributors to my hesitation problem. Or maybe they are just disconnected for a reason. My engine has some modifications from stock. K27 turbocharger, not sure what model number , but here are a couple photos of it:

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200707.jpg

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200710.jpg

Also I have a GHL exhaust and twin plug ignition.


Last edited by 73ess; 10-01-2009 at 10:16 AM.. Reason: Fixed Photo Links
Old 09-30-2009, 11:25 PM
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Please upload the images into forum instead of linking to photobucket. Links are broken.
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Old 10-01-2009, 12:26 AM
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73ess,

I'm just over in Oakland, although my 2ndary air injection system is removed if you want to look at my 87 in reference PM me and we can get together.

Charlie
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Old 10-01-2009, 05:32 AM
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I'm down in Campbell, and have completely removed all my smog plumbing, as well as my vacuum limiter and AAR. Let me know if I can help!
Without this clutter my engine compartment is just wonderfully uncluttered. I can remove my spark plugs completely unimpeded! Without the vac-lim I get nice burble off-throttle. Without the AAR I have to tend to the throttle for the first 30-sec after I start it cold (otherwise it'll idle at 600rpm, not good on cold oil IMHO). But none of this crap is missed.
I removed so much crap, and WEIGHT, from my engine bay I had to re-lower the rear end!
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Where my misspent time and money is currently going.
Old 10-01-2009, 06:57 AM
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Sorry for the broken photo links. They are working now.
Old 10-01-2009, 10:22 AM
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See my answers in bold red

Quote:
Originally Posted by 73ess View Post

Loose Hose #1 - Has a screw inserted in the loose end.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200694.jpg

Loose Hose #2 - Also has a screw inserted in the loose end. I think this goes to the timed switch near the breather cover.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200695.jpg

Loose Hose #3 This is a vent. It's OK.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200696.jpg

Cork Inserted in Air Filter Housing. Why? Capped off when the new intercooler was installed. Cap it off properly.

Also, looks like a loose ground wire? Probably from grounding the overboost switch.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200697.jpg

See hose slipped off, but not sure if done on purpose or just slipped off? Should be connected or you can remove all those hoses and solinoids.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200700.jpg

Should A Hose Be Connected to this Inlet Under Air Filter Housing? Should be the hose from the WUR vent below.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200701.jpg

Just a Full View of My Engine With Intercooler Removed

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200702.jpg

Looks Like a Torn Paper Air Hose in this Photo? But not sure. I can't really tell what I'm looking at.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200704.jpg

What Is the Red Thingee and Should a Wire Be Connected to the Second Terminal? Overboost switch. I don't recall that it needs a ground.
http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200706.jpg


Those are all the areas I could find that looked like possible contributors to my hesitation problem. Or maybe they are just disconnected for a reason. My engine has some modifications from stock. K27 turbocharger, not sure what model number, but here are a couple photos of it:

Looks like it might be a K27-7006.

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200707.jpg

http://i11.photobucket.com/albums/a171/munkmunk/930%20Engine/P1200710.jpg

Also I have a GHL exhaust and twin plug ignition. Are you sure it's twin plugged? I only see six plug wires (and they are looking tired ).

Last edited by A930Rocket; 10-01-2009 at 04:05 PM..
Old 10-01-2009, 04:00 PM
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A930Rocket,

Thanks for your reply. Here are my responses in red, to some of your responses:

Quote:
Loose Hose #2 - Also has a screw inserted in the loose end. I think this goes to the timed switch near the breather cover.
Can you describe what the timed switch looks like? Also, what does the breather cover look like?

Quote:
Cork Inserted in Air Filter Housing. Why? Capped off when the new intercooler was installed. Cap it off properly.
Who sells the proper cap?


Quote:
Also I have a GHL exhaust and twin plug ignition. Are you sure it's twin plugged? I only see six plug wires (and they are looking tired ).
Yep, it's definitely twin plugged.
Old 10-02-2009, 03:14 PM
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Quote:
Originally Posted by 73ess View Post
A930Rocket,

Thanks for your reply. Here are my responses in red, to some of your responses:


Can you describe what the timed switch looks like? Also, what does the breather cover look like? See attached. The thermo switch is located on the breather.






Who sells the proper cap? Best bet would be too measure it and go to a auto parts or hardware store to find a rubber cap that you can clamp off or use a plastic tie. That would look best, but you could find a short length of hose and clamp a short bolt in there to plug it.


Yep, it's definitely twin plugged.
You're a lucky man. Is that a 12 lead dizzy cap? That's worth a lot of money if it is.
Old 10-02-2009, 05:48 PM
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Vaccum lines...


Old 10-02-2009, 05:55 PM
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Can you describe what the timed switch looks like? Also, what does the breather cover look like?

I believe it is the highlighted part in this image. The breather cover is part number 34 on the diagram.



Who sells the proper cap?

As long as no unfiltered air is getting into that hole the cap is proper.

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Last edited by willtel; 10-02-2009 at 06:07 PM..
Old 10-02-2009, 06:05 PM
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