 SparK plug reading help needed, Using dual weber idf's |
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| tornik550 |
 Aug 5 2012, 12:46 PM
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Senior Member  Group: Members Posts: 1,248 Joined: 29-January 07 From: Ohio Member No.: 7,486 Region Association: None  |
Are these statements regarding spark plug reading correct?
1. To check to see if my main jet mixture is correct- drive around at high rpm for awhile then quickly shut off the engine. Then look at the porcelain furthest from the electrode. If white- too lean, if black too rich. 2. To check idle circuit mixture, idle the engine for about ten minutes, shut down the engine. Look at the porcelain closest to the electrode. If white-lean, if black- rich... FYI- I do have an air fuel gauge hooked up. I just want to verify my readings. |
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Posts in this topic
tornik550 SparK plug reading help needed Aug 5 2012, 12:46 PM
ConeDodger My understanding is that the advent of unleaded fu... Aug 5 2012, 02:16 PM Vacca Rabite Unless you shut off the engine and coast the car t... Aug 6 2012, 05:54 AM brant I don't believe its possible to accurately rea... Aug 6 2012, 06:54 AM
sean_v8_914 it works. its still a viable way to get you in the... Aug 6 2012, 07:33 AM  |
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