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Underbody braces, turbos and more!

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PostPosted: Tue Sep 29, 2009 8:46 am 
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Joined: Mon Aug 17, 2009 3:35 am
Posts: 16
Location: Portsmouth, UK
Hello everyone,

I've enjoyed reading all of the success stories with people using vacuum gauges to measure enconomy performance so much that I have decided to give it a go myself!

I decided to go out and grab myself a Draper vacuum gauge (http://www.thedrapershop.co.uk/draper-vacuum-and-fuel-pump-tester-p-4567.html?osCsid=4be32d4be9caf6189de8aed3b9358bb3), which comes with everything I'll need to fit (apart from a long hose, I'll address that later).

Now.. The hard part. It's asking me to attach it to the intake manifold to measure the vacuum pressure ,but I have absolutely no idea where that might be on my 3cyl 2001 Suzuki Swift GLS. I've been studying my Chilton manual but I must be missing something, because I cant seem to find an obvious place to attach it to. I understand I have to attach a y-adapter in the middle of the hose, but I don't want to make a mistake and cut the wrong tube.

I've attached some pictures of my engine bay and 2 possible places where I think it might be.
(Sorry for quality, was taken on my phone)

The engine bay (For reference)
http://i36.tinypic.com/16m25mp.jpg

Possible location (Top right of engine block, a bit lower down)
http://i36.tinypic.com/28u2nth.jpg

Possible location (Top of engine)
http://i36.tinypic.com/5btik9.jpg


Any idea where it might be?

Thanks in advance!
Ollie


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PostPosted: Tue Sep 29, 2009 3:50 pm 
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Joined: Wed May 28, 2008 10:20 pm
Posts: 51
The air filter housing attaches to the intake manifold (the outside air sucks through the filter and mixes with gas in the manifold before going into the cylinders and exploded by the spark plug). There will be a vacuum hose somewhere on the manifold that when pulled off (shouldn't have any clamps or anything on it) will have air sucking in it. You can use that for your gauge. I am not familiar enough with the Geo engine (even though I just rebuilt one a couple of months again <G>) to tell you the exact location of a good source of vacuum. If you find your EGR valve there should be some vacuum hoses hooked to it. Good luck and enjoy learning about your car!

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Robert McElwee and "Sippy"
1993 Geo Metro Convertible LSI
http://www.lightweightmiata.com/geo/

http://www.lightweightmiata.com/geo/


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PostPosted: Tue Sep 29, 2009 3:57 pm 
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Joined: Wed May 28, 2008 10:20 pm
Posts: 51
Actually, here are some pictures from my web page on the rebuild. The intake manifold can be seen on the top half of this picture:
Image

The manifold is the thing with the 3 legs/pipes on it. The thing with the vacuum hoses attached (has a black top on it seen to the right of the manifold) could be a source of vacuum (test it to see).

The thing with the vacuum hoses on it (lower right) is the EGR valve:
Image

_________________
Robert McElwee and "Sippy"
1993 Geo Metro Convertible LSI
http://www.lightweightmiata.com/geo/

http://www.lightweightmiata.com/geo/


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PostPosted: Wed Sep 30, 2009 1:42 am 
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Joined: Mon Aug 17, 2009 3:35 am
Posts: 16
Location: Portsmouth, UK
This is perfect! Thank you so much, rmcelwee!

I'll give it a go and let you know the results.

Ollie


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PostPosted: Fri Jul 09, 2010 12:44 am 
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Joined: Wed Jul 07, 2010 10:40 pm
Posts: 1
Location: USA
is that an A1 Cardone Intake Manifold? i just saw mine yesterday and it looks so much like yours. i had to take it off for replacement.


Last edited by archebald23 on Mon Jul 12, 2010 8:28 pm, edited 1 time in total.

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PostPosted: Fri Jul 09, 2010 6:50 am 
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Joined: Thu Jul 09, 2009 1:14 am
Posts: 1897
Location: Prince George B.C. Canada
Wow, you really are a newbie. We will try and help you as each of us can, but reading is your best friend. I had the privilege of masters in the field to give me the "basics" from there on, I was on my own. every once in a while I'll get advise from them, but I don't rely on them. Post what exactly you are working on, with photos helps, and in return, the members will add their input in their areas of knowledge.

Ralph


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