Search found 212 matches

by david jenkins
Sun Feb 24, 2008 10:20 am
Forum: Q&A
Topic: Storing the TPS calibration?
Replies: 4
Views: 2367

Storing the TPS calibration?

Brent, I've just done the TPS calibration for my new carbs - it was a very easy process, but it left me with a puzzle. Where are the settings stored? I saved the settings to a file when the calibration was complete, but I had expected to have to save them to the MJ unit's memory too, as I thought th...
by david jenkins
Sun Feb 24, 2008 10:03 am
Forum: Assembly
Topic: crimping junior mini-fit pins
Replies: 11
Views: 20178

That picture was lifted from the web pages of Vehicle Wiring Products , but mine came from another source that's now gone ebay and they're almost impossible to find nowadays. VWP are a top-notch company that I can strongly recommend. They also have other types, from cheapies up to expensive ones. Th...
by david jenkins
Sat Feb 23, 2008 4:47 pm
Forum: Assembly
Topic: crimping junior mini-fit pins
Replies: 11
Views: 20178

I have a ratchet crimp tool, similar to the one in the picture below. Effective, and really does give a good connection. http://www.vehicle-wiring-products.eu/VWP-onlinestore/terminalsnonins/images/pr4.gif It has 3 spaces for different-sized connectors. The Molex pins fit in the smallest one - make ...
by david jenkins
Fri Feb 22, 2008 10:24 pm
Forum: Installation
Topic: oh brother, for want of words to describe the problem.
Replies: 11
Views: 5894

One problem is when you insert the terminal into your crimping tool incorrectly. There are 3 tabs sticking out: 1 holds the sleeving, the second one holds the bare wire, and the 3rd guides the terminal in the casing. If you crimp all three then it won't stay in place - you have to leave the 3rd one ...
by david jenkins
Tue Feb 19, 2008 10:27 pm
Forum: Q&A
Topic: Losing spark on 2 cylinders above 2k rpm
Replies: 17
Views: 9111

I saw similar problems on my car - I even posted a similar question on this forum. The answer (for me anyway) was quite simple. The EDIS coil is wired to fire 2 spark plugs at the same time. One spark gets a negative polarity impulse, the other gets a positive one. My timing light has a clip that go...
by david jenkins
Wed Feb 13, 2008 10:22 pm
Forum: Powered by Megajolt Gallery
Topic: Testing MJLJ --> MINI A-Series 1360cc
Replies: 20
Views: 21286

Regarding C14 - things to think about are:

Was it soldered in the correct way round?

Was it the correct voltage rating? (if it's from a kit, it was probably OK)

Did it get overheated when you soldered it into place?
by david jenkins
Thu Feb 07, 2008 6:58 pm
Forum: Q&A
Topic: ignition knock
Replies: 5
Views: 3400

Lee,

You might find this thread very interesting and useful...

PH Link

In the end I used a knock sensor to drive an amplifier, then into a pair of ear-protector headphones.

My web site

Follow the link to 'special tools and parts' and 'knock detection circuit'.

David
by david jenkins
Thu Jan 31, 2008 4:55 pm
Forum: Q&A
Topic: What's the firing order of the coils ?
Replies: 3
Views: 2124

The standard Ford coil has the cylinder numbers written next to the connectors. 1 and 4 fire together, then 2 and 3 I believe. On my Ford X-flow, cylinder 1 is at the front (fan end).

David
by david jenkins
Sat Jan 26, 2008 4:40 pm
Forum: Installation
Topic: Default cable to VR sensor from Ford not shielded !?
Replies: 18
Views: 8683

Just bear in mind that the trigger-wheels stuff has got heavy-duty sleeving that's reasonably oil- and fuel-resistant - I'm not sure that you could say the same about Maplin's stuff.
by david jenkins
Sat Jan 26, 2008 7:53 am
Forum: Installation
Topic: Default cable to VR sensor from Ford not shielded !?
Replies: 18
Views: 8683

If you get stuck, http://trigger-wheels.com/store/ sells proper vehicle-quality shielded twin cable. I can testify that it's good cable!

David
by david jenkins
Fri Jan 25, 2008 3:20 pm
Forum: Operation
Topic: intermittant spark
Replies: 6
Views: 3109

Alexander,

Don't forget that double flash is normal! The system fires on both the compression AND the exhaust stroke.

The half-speed flash is the one to worry about... :P

David
by david jenkins
Fri Jan 25, 2008 12:43 pm
Forum: Operation
Topic: intermittant spark
Replies: 6
Views: 3109

Strange that your results with a timing light are similar to mine (1 lead twice as much flash as the other). In my case the strobe gave silly results, but the engine ran properly regardless!

In the end I decided to ignore the strobe... it was easier that way... :D

David
by david jenkins
Fri Jan 25, 2008 9:00 am
Forum: Operation
Topic: intermittant spark
Replies: 6
Views: 3109

Alexander, I've had very similar symptoms to you regarding 2 plugs showing a good flash, while the other 2 don't. Does your timing light have a sensor that clips over the plug lead? The type that has an arrow indicating which way to put it on the lead? If so, could you try an experiment? On the lead...
by david jenkins
Sun Jan 20, 2008 11:39 am
Forum: Q&A
Topic: Vacuum v. RPM - I think I'm getting a headache now!
Replies: 15
Views: 6369

was this measured with the car stationary? i think that would explain it all. if not, let us know so i can publicly disavow most of what i have said above :). regards alexander. Prepare to disavow! :P It was taken on a short run up and down the road. As for the 'ported' theory, someone else did a g...
by david jenkins
Fri Jan 18, 2008 9:39 pm
Forum: Ignition Map Library
Topic: MGB Engine with Moss supercharger TPS MAP
Replies: 2
Views: 6187

I thought 1086cc was a bit of an odd size! :D