- 1. Jumpy tach-engine miss (score: 1)
- Author: Don Walton <dhw@pinehurst.net>
- Date: Sun, 18 Apr 1999 09:36:28 -0400 (EDT)
- Hello all, while dirving the 77b lately, the tach has started bouncing around and there seems to be a miss while holding a steady speed. When the engine is given more power such as passing or going u
- /html/mgs/1999-04/msg01003.html (7,245 bytes)
- 2. Re: Jumpy tach-engine miss (score: 1)
- Author: Max Heim <mvheim@studiolimage.com>
- Date: Sun, 18 Apr 1999 11:45:14 -0700
- A relatively far-fetched cause for a steady-speed miss that I have encountered involves Grose-Jets and the SU carb floats. If you have the old-style floats with the bendable brass adjusting arm, this
- /html/mgs/1999-04/msg01034.html (8,099 bytes)
- 3. Re: Jumpy tach-engine miss (score: 1)
- Author: Bud Krueger <bkrueger@ici.net>
- Date: Sun, 18 Apr 1999 15:22:24 -0700
- My 77B, w/SU4's, is quite happy with its Pertronix ignition and Lucas Sport Coil. Bud Krueger 52TD 77MGB (commuting machine)
- /html/mgs/1999-04/msg01037.html (7,575 bytes)
- 4. Re: Jumpy tach-engine miss (score: 1)
- Author: "Dennis Berman" <dberman@nortelnetworks.com>
- Date: Mon, 19 Apr 1999 10:31:28 -0500
- I had the exact same problem just a few months back. Tach jumped widly (especially when down-shifting). Problem now solved and has not returned. Wanna know what I did? Replaced the pickup unit insid
- /html/mgs/1999-04/msg01109.html (8,519 bytes)
- 5. Re: Jumpy tach-engine miss (score: 1)
- Author: "Paul Hunt" <paul.hunt1@virgin.net>
- Date: Tue, 20 Apr 1999 20:08:30 +0100
- A misfire in time with an erratic tach is a sure sign of a problem in the LT circuit, certainly in points ignition. With electronic it may depend on the type of trigger and the way the tach is pulsed
- /html/mgs/1999-04/msg01214.html (8,029 bytes)
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