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27-04-07, 06:29 PM
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| Backfire Started her up this morning and it started to backfire,but only onthe nearside pipe.After a few minutes it went away. On my return home it started ok but felt a bit lumpy. Any clue's please, The distributor was set to 36* and the fuel was weakened three weeks ago.uptill today everything was fine. Its done 1500 miles to date. Regards Ray      |
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27-04-07, 08:13 PM
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| Re: Backfire Quote:
If that`s ok - I will let someone more knowledgeable advise further.
__________________ There is a fine line between "hobby" and "mental illness." You don`t have to be mental to build a kitcar - but it definitely helps. GD JAG mk4 progressing slowly. |
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27-04-07, 08:51 PM
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| Two possible causes spring to mind. The most likely would be a Plug/s or lead/s breaking down on the sickly bank.Try pulling leads whilst it is misbehaving to ascertain which plug/lead is the problem. Or a header/head joint leak could make it Pop on one bank, But more likely it would only show up on overun.
__________________ Chris AK 427 351C T5wc |
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27-04-07, 08:59 PM
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| Check for air leak on the exhaust, maybe tweak up the flage nuts.
__________________ Stan  |
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27-04-07, 09:10 PM
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| Check the underside of the distributor cap, probably damp. If it is not that, replace everything. 
__________________ My opinion is worth exactly what you paid for it. CRENDON - go on, you know you want to! |
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28-04-07, 07:20 AM
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| I was having a similar problem recently and a new distributor cap and rotor arm worked wonders. Boyze pointed out to me the tracking line on the rotor arm! cheers
__________________ David Large Bald Surfer with a BRA 289 |
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28-04-07, 10:53 AM
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| backfire Quote:
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