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Posts by Tim Murphy
95 postsShowing posts 1-40 of 95

Ignition > Ignition switch wiring (14 replies - 5725 views)

I had a turn ignition, no juice going to starter, etc problem that was solved by replacing the ignition switch (the part you pictured) ...   11-16-2019 02:34 am

Ignition > Pertronix Install (39 replies - 16296 views)

Apparently, according to some MG forums, the pertronix one can be static timed. Check with the factory to make sure that is accurate. If so, ...   11-08-2019 12:47 am

Ignition > Pertronix Install (39 replies - 16296 views)

And a Youtube video: https://www.youtube.com/watch?v=wifTHbb06_I ...   11-05-2019 12:04 am

Ignition > Pertronix Install (39 replies - 16296 views)

From your pictures it looks like the crank, cams and distributor are set up correctly. Which is to be expected as it ran good before ...   11-04-2019 11:59 pm

Ignition > Pertronix Install (39 replies - 16296 views)

As Tom Bradley suggested in his 2nd post, and I in my first, you really need to check you timing, both crank and cams, with ...   11-04-2019 01:57 am

Ignition > Pertronix Install (39 replies - 16296 views)

Check you spark timing with a timing light. The spark trigger "mechanism" may be off. When you checked that the rotor was pointed at #1 ...   11-02-2019 03:43 am

Carburetors > ZS Choke/Cable (18 replies - 8174 views)

Replacing dashpot O ring: There is a small O ring on the needle adjusting screw inside the air valve (piston). The O ring is what ...   10-11-2019 05:47 am

Carburetors > ZS Choke/Cable (18 replies - 8174 views)

I check on ebay for JH Strombergs, they don't often come up for sale. Triumph carbs are more common. Maybe they were available and not ...   10-11-2019 05:38 am

Body & interior stuff > Water Ingress (6 replies - 3542 views)

The air intake for the heater in front of the windshield. Washing the car or a heavy rain will cause water to get into the ...   10-10-2019 05:43 am

Projects > 10628 Refresh (63 replies - 68931 views)

When asked "what's a Jensen Healey?" I asked if they have heard of the Austin Healey. Most say yes, so I explain that both cars ...   09-26-2019 02:59 am

Electrical & Instruments > DO NOT use a USA rated 35 amp fuse in your Jensen Healey (6 replies - 7409 views)

35 amp fuses are specified in the Owners Handbook on page 28. Really negligent of the Jensen company not to correct that for the American ...   09-09-2019 06:36 am

Electrical & Instruments > DO NOT use a USA rated 35 amp fuse in your Jensen Healey (6 replies - 7409 views)

AFAIK, it only melted the wire to the cigar lighter. It hasn't affected any of the other electrical circuits that I know of. So I ...   09-09-2019 03:52 am

Engine & Transmission > Oil Pressure (27 replies - 14432 views)

I second what Tom Bradley suggested about the brakes locking up. You may not be able to adjust the booster pushrod, some are frozen. Just ...   08-01-2019 05:28 am

Engine & Transmission > Crazy no start issue for 73 JH # 12265 (7 replies - 4623 views)

Here is a link to a JH wiring diagram done by John R Kimbrough several years ago. This should help. Take care. ...   05-20-2019 01:31 am

Fuel Stuff > Engine (5 replies - 4191 views)

I apologize, I was wrong in saying the head had to be removed to re shim the valves. The only time I shimmed the valves ...   03-16-2019 08:39 am

Fuel Stuff > Fuel Pump vs Fuel Lines (42 replies - 24397 views)

To re shim the valves requires the head be removed and reinstalled. That is a lot of work, sometimes has to be done two times ...   03-15-2019 06:44 am

Fuel Stuff > Engine (5 replies - 4191 views)

To re shim the valves requires the head be removed and reinstalled. That is a lot of work, sometimes has to be done two times ...   03-15-2019 06:29 am

Body & interior stuff > Dashboard Renovation (3 replies - 3288 views)

That looks good. It would be helpful to many, IMO, if you wrote up what exactly you did. Include any pictures you may have ...   03-04-2019 07:42 am

Engine & Transmission > cam gear run-out (2 replies - 2670 views)

I was told by an experienced JH mechanic that the most important cam gear to worry about is the intake gear because it had so ...   03-02-2019 04:35 am

Accessories > Side Stripe Kits (3 replies - 3306 views)

Noomg, Your car looks too good to put side stripes on. Hope to see you at Jan 2019 JHPS meeting. Take care ...   12-22-2018 03:42 am

Projects > 19661 paint and bodywork (64 replies - 34796 views)

Looks great, a big thumbs up to you. ...   12-18-2018 03:36 am

Cooling > Heater hose size and routing. (6 replies - 6633 views)

As I remember, the heater valve worked off engine vacuum. So you would operate a lever on the center counsel which would open a local ...   12-10-2018 06:31 am

Fuel Stuff > Fuel Pump vs Fuel Lines (42 replies - 24397 views)

You didn't say if you had an electronic ignition. If you have the stock set up with points, be sure your point gap is correct ...   11-09-2018 08:09 am

Fuel Stuff > Fuel Pump vs Fuel Lines (42 replies - 24397 views)

"... saw sparks in the Dell carb filters and then stalls." Tim: I don't think you saw electrical sparks but rather ignited gasoline. Something is way ...   11-08-2018 05:27 am

Fuel Stuff > 1976 Jensen GT (12 replies - 8278 views)

Nigel, in the photo, is that heat shield above the exhaust system stock on the GT? Any idea how effective it is? Thanks. ...   10-26-2018 09:26 pm

Fuel Stuff > Fuel Tank Lines (10 replies - 7466 views)

Dick Fickey said in his first post: "It looks like I should pull the tanks and correct my screw up." Tim Murphy: I am glad you ...   10-10-2018 07:43 am

Fuel Stuff > Fuel Tank Lines (10 replies - 7466 views)

As I could never figure out that entangle mess of fuel lines by the tank and pump, I have no idea of what you said. ...   10-04-2018 05:30 am

Electrical & Instruments > Pertronix Tachometer "blips" (46 replies - 30111 views)

Don, even if your JH isn't running you can come to a JHPS meeting, just drive another car. There are usually a couple of us ...   09-19-2018 08:35 am

Electrical & Instruments > Pertronix Tachometer "blips" (46 replies - 30111 views)

I have the same problem, a hiccup when idling. I am going to throw you a couple of curve balls here so be prepared :<) ...   09-18-2018 07:29 am

Engine & Transmission > trans filling method (10 replies - 7206 views)

When I was recarpeting the interior I cut a hole in the trans tunnel where the plug is. I cut a larger circle in the ...   08-19-2018 06:55 am

Electrical & Instruments > Lights stay on (9 replies - 6846 views)

I second what redracer said about grinding off the tab on the inside of the clamping collar. Makes a big difference in how tight the ...   08-16-2018 10:24 pm

Engine & Transmission > jensen with strombergs (4 replies - 4004 views)

I would start by changing fuel filters. Just curious, when was the last time you changed the fuel filter by the gas tank?. Could be ...   07-21-2018 04:52 am

Projects > 1974 Jensen Project Vin16281 (12 replies - 6820 views)

The car pictured looks in good condition. Congratulations on a wise purchase. Take care. ...   07-09-2018 05:31 am

Engine & Transmission > Transmission Leaks 4 Speed 13556 (14 replies - 10528 views)

Thanks Tim Engel, those diagrams and your explanations make things much clearer. And Answerman,I didn't realize the CD's were not to be installed with the ...   02-02-2018 12:00 am

Engine & Transmission > Transmission Leaks 4 Speed 13556 (14 replies - 10528 views)

Redracer,(or anyone else)do you have a picture or diagram of what you are describing. Or maybe you can explain it more for those of us ...   01-31-2018 06:43 am

Cooling > Cooling - AirDam (8 replies - 8118 views)

Man, that looks great. I did something similar. It not only helped cooling but my front end felt more stable at high (freeway) speeds. Do ...   07-31-2017 04:24 am

Electrical & Instruments > Related or coincidence? (7 replies - 7554 views)

When I posted above that both gauges and fuel pump go thru the middle fuse I was using former member John Kimbrough's wiring diagrams. The ...   07-17-2017 04:32 am

Electrical & Instruments > Related or coincidence? (7 replies - 7554 views)

Both the fuel pump and the gauges are on circuits that go thru the middle fuse. You may try cleaning those electrical connections. If you ...   07-17-2017 01:32 am

Suspension > Installing front sway bar (33 replies - 47365 views)

Frank, I had the same problem years ago. The very experience JH mechanic who swapped arms said it was common, the factory installed the arms ...   06-26-2017 07:26 am

Intro Tech Board stuff > 502 bad gateway (3 replies - 6117 views)

To be honest, I am not really sure what resetting cookie means or how else it would be done. Can anyone explain and possibly give ...   03-31-2017 07:15 am


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