 Right Bank Runs Lean, One side runs leaner than other |
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| zeekman914 |
 Apr 4 2005, 03:35 PM
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#1
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Member  Group: Members Posts: 67 Joined: 1-December 04 From: Arcata, CA Member No.: 3,202  |
My friend has a VW Baja with a stock 1600 bus motor dual port with stock solex and exhaust straight piping. I was wondering why the right bank is running lean and the left is running rich. and help is greatly appreciated!
(IMG:http://www.914world.com/bbs2/html/emoticons/nuke.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/crest.gif) |
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Replies(1 - 5)
| ArtechnikA |
Apr 4 2005, 03:44 PM
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#2
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
look for a vacuum leak in the right intake manifold gasket area.
past that, i donno. but you might mention how you determined that one side is rich and the other lean... when you say "stock Solex" do you mean a single, centrally mounted single-barrel carburetor, or do you mean something else ? |
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| SLITS |
Apr 4 2005, 04:32 PM
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#3
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
When you say "straight piping" are you talking the intake manifold or the exhaust?
If there is no restriction in the exhaust (bends, mufflers, etc) you could feasibly be "over-scvangenging" the cylinder on that side...meaning the intake charge is going down the exhaust pipe and not being trapped in the cylinder. |
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| zeekman914 |
Apr 5 2005, 11:07 AM
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#4
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Member Group: Members Posts: 67 Joined: 1-December 04 From: Arcata, CA Member No.: 3,202 |
its a single solex and I will get some oictures tomarrow to show you. I will check the engine today in Autoshop. The exahust is straight piped for the most it comes out of the engine then curves to the right. I will show you later tomarrow
Thanks Z (IMG:http://www.914world.com/bbs2/html/emoticons/nuke.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/crest.gif) |
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| Jake Raby |
Apr 5 2005, 11:28 AM
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#5
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
If that side of the engine is running hotter head temps (due to crappy cooling system or poor cooling) it will run leaner..
Hotter = Leaner The issue may very well be in the cooling system.. |
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| zeekman914 |
Apr 6 2005, 01:35 PM
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#6
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Member Group: Members Posts: 67 Joined: 1-December 04 From: Arcata, CA Member No.: 3,202 |
How would I find out head temp? He doesn't have a temp sending unit because the guy that had it before him just dropped the engine in. I do have a digital surface thermometer. Would that work?
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