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Total 37 documents matching your query.

21. Re: Backfiring (score: 1): Author: Ajhsys@aol.com; Date: Mon, 24 Jul 2000 10:53:59 EDT; << Can you help me on this one? 1972 MGB with HIF's backfires during shifting while going up through the gears. Only happens when I let off the accelerator while shifting up. Otherwise the car runs f; /html/mgs/2000-07/msg01053.html (7,360 bytes)
22. Backfiring (score: 1): Author: fogbro1 <fogbro1@bellatlantic.net>; Date: Tue, 25 Jul 2000 19:54:48 -0400; Problem solved. It was an inoperative gulp valve. Thanks to all who replied, especially Bill Schooler who not only hit the nail on the head, but also provided a clear explanation of the gulp valve's; /html/mgs/2000-07/msg01129.html (6,642 bytes)
23. Backfiring (score: 1): Author: stevejp2@juno.com; Date: Mon, 19 Apr 1999 17:50:38 -0500; Hi List, I am new to the list, and am hoping you experts can help me. I am looking at a 1979 MGB to purchase. The only big question that is bothering me is the fact that the car backfires when you sh; /html/mgs/1999-04/msg01138.html (6,520 bytes)
24. Re: Backfiring (score: 1): Author: "Dan Ray" <danray@bluegrass.net>; Date: Mon, 19 Apr 1999 19:56:34 -0500; The first and most simple cause is a leaky exhaust, which will backfire when you let off of the gas. (which I assume you do when shifting too, so -- same thing, right?) While running, (but not too lo; /html/mgs/1999-04/msg01144.html (7,288 bytes)
25. Re: Backfiring (score: 1): Author: Bill Schooler <schooler@erols.com>; Date: Tue, 20 Apr 1999 07:59:59 -0400; Most likely culprit would be a malfunctioning gulp valve. Bill; /html/mgs/1999-04/msg01183.html (6,769 bytes)
26. Backfiring (score: 1): Author: gvernau@juno.com (George J. Vernau); Date: Tue, 27 Oct 1998 15:02:28 -0600; I have a similar problem with my MGA that I'm trying to solve now so I have been searching a variety of sources. I noticed that you had changed your MK 2 to negative ground- the Moss Motors catalog (; /html/mgs/1998-10/msg01294.html (6,745 bytes)
27. Backfiring (score: 1): Author: "Tom Reichard" <tom@lakemurray.com>; Date: Tue, 9 Dec 1997 08:48:45 -0500; My recently-acquired '77 Midget has a backfiring problem when the accelerator is released suddenly and the engine is winding down (is "overrunning" the correct term?) Not being much of a engine mecha; /html/mgs/1997-12/msg00640.html (7,877 bytes)
28. Re: Backfiring (score: 1): Author: Robert Allen <boballen@sky.net>; Date: Tue, 09 Dec 1997 08:48:05 -0600; Use new plugs, check/clean points and set dwell. Advance the timing a few degrees above spec if your motor don't ping. I've never cured my backfiring at the carbs, always ignition. Cool. Webers and M; /html/mgs/1997-12/msg00643.html (7,573 bytes)
29. Re: Backfiring (score: 1): Author: bugide@juno.com (Larry Dickstein); Date: Tue, 09 Dec 1997 09:57:49 EST; My guess is that you already have too much air in the form of a vacuum leak. Get some aerosol carb cleaner (w/ a little tube) and squirt it various places where the carbs attach to the intake manifol; /html/mgs/1997-12/msg00644.html (7,541 bytes)
30. RE: Backfiring (score: 1): Author: "REICHLE, CHRISTOPHER" <CREICHLE@nsc.msmail.miami.edu>; Date: Tue, 09 Dec 1997 10:04:00 -0800 (PST); Don't go removing stock pieces or playing with the mixture just yet. Unburnt fuel can get into the exhaust if it wasn't burnt in the engine... I would check your ignition system. If this car is new t; /html/mgs/1997-12/msg00646.html (9,243 bytes)
31. Re: Backfiring (score: 1): Author: mmcewen@gpu.srv.ualberta.ca (John McEwen); Date: Tue, 9 Dec 1997 11:05:14 -0500; Hello Tom: Backfiring on overrun usually implies a overly lean mixture and is often due to vacuum leaks. It could result from a leaking exhaust manifold gasket. The other possibility is the air pump.; /html/mgs/1997-12/msg00661.html (8,565 bytes)
32. RE: Backfiring (score: 1): Author: Der schwarze Buccaneer <js-allen@students.uiuc.edu>; Date: Wed, 10 Dec 1997 01:14:59 -0600 (CST); This is very good advice. My 'B was running like a blind, artritic two-legged dog 'til I replaced a burnt exhaust valve, detected with a cheap, simple compression tester, based on advice gathered fro; /html/mgs/1997-12/msg00724.html (8,067 bytes)
33. backfiring (score: 1): Author: ninab@scoresheet.com (Nina Barton); Date: Tue, 20 Aug 1996 10:42:10 -0700; I have a 71 MGBGT which is always backfiring. I've had four new mufflers in the last four years, and the carbs seem to check out OK. Any suggestions? I'm getting fed up with people looking at the car; /html/mgs/1996-08/msg00741.html (6,630 bytes)
34. Re: backfiring (score: 1): Author: hdrsons@iamerica.net (Hal Rogers); Date: Tue, 20 Aug 1996 20:04:18 -0600; If all the basics- Tuning/carbs are okay... Then you may have a problem with the valve seats being cut too deeply..though this seems to cause backfiring more through carbs. The cam timing may also be; /html/mgs/1996-08/msg00763.html (7,379 bytes)
35. Re: backfiring (score: 1): Author: GARYCINE@aol.com; Date: Tue, 20 Aug 1996 22:28:22 -0400; I don't know if the 1971 MGBGT has an air pump but I found that the chronic backfiring of my '77 Midget was being caused by a faulty air pump. Gary; /html/mgs/1996-08/msg00769.html (6,820 bytes)
36. Re: backfiring (score: 1): Author: Ragthyme@aol.com; Date: Wed, 21 Aug 1996 10:51:09 -0400; Does your car have an air pump? If so, frequent backfiring when changing gears is often a sign of an air pump going/gone bad, particularly if the backfires are through the exhaust rather than the ca; /html/mgs/1996-08/msg00789.html (6,779 bytes)
37. Re: backfiring (score: 1): Author: Pschauss@aol.com; Date: Sun, 25 Aug 1996 02:33:19 -0400; I'll add my $ 0.02 and cure to the backfiring discussion. My impression is that backfiring when you shift was a common problem on all MGBs with air pumps. My wife's cousin had one back in 1973 or 74; /html/mgs/1996-08/msg00921.html (7,033 bytes)

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