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PostForum: Installation   Posted: Sat Jan 12, 2008 6:10 pm   Subject: initial testing (didnt work!)

Each coilpack will energise the HT leads in pairs, with 40kV appearing at a pair of HT terminals simultaneously, but they are not dependant on each other to work.

To check the spark:
- remove all ...
PostForum: Q&A   Posted: Fri Jan 11, 2008 1:42 pm   Subject: MegaJolt and boost

Hi,

See the Configuring Normally Aspirated or Forced Induction section from http://www.autosportlabs.net/MJLJ_V3_Operation_Guide, can measure up to 21 psi of boost with the standard MAP sensor spec ...
PostForum: Installation   Posted: Sun Dec 23, 2007 5:22 pm   Subject: On the scrounge!

I've got some spares as I bought a couple of PC connectors from Maplins - send me your address and I'll post them (at some point!).

Rich.
PostForum: Q&A   Posted: Sat Nov 03, 2007 2:01 pm   Subject: Workbench testing question ?

Hi, yes this is the expected behaviour. When rpm<457, it will always use the upper left cell, which allows you to set a 'cranking' advance value in this cell (6 degress in your case). When rpm>4 ...
PostForum: Operation   Posted: Sun Oct 28, 2007 7:36 am   Subject: reverse vacuum load phenomenon

Sounds like the MAP sensor is reading vacuum correctly when you test it with the syringe.
Is your vacuum take-off fully *downstream* of the throttle butterflies? i.e. inbetween the butterfly and the ...
PostForum: Operation   Posted: Fri Oct 26, 2007 7:09 am   Subject: rpm accel data?

As its an *acceleration* I imagine its rpm/second figure, e.g. if your engine increases 78rpm in 1/4 second then accel = 78/0.25 = 312. Hopefully someone with firmware knowledge can confirm/correct.
...
PostForum: Operation   Posted: Sun Oct 14, 2007 1:51 pm   Subject: Timing marks don't align with a strobe light

Hi richard, a couple of things spring to mind:

1. Does your engine rotate clockwise? If so, the missing tooth will pass the VR sensor at 90 degrees (see 2) AFTER TDC (not before). This will make it ...
PostForum: Operation   Posted: Sun Oct 07, 2007 6:53 am   Subject: TPS Communication Timeout

Mik,

Not 100% sure what you mean by 'top' and 'bottom' MJ connection, but sounds like it's not quite right. Going from your pic, the centre WHITE wire needs to go to the 'TPS INPUT' terminal, and t ...
PostForum: Installation   Posted: Wed Sep 26, 2007 8:50 pm   Subject: Measuring the vacuum? New VW Type1 installation& misfire

The axes are the correct way round - it's the advance bins that are "upside down"

I'm sure that what Rich means...

Indeed it is, I was referring to the columns of advance values, not t ...
PostForum: Installation   Posted: Wed Sep 26, 2007 3:58 pm   Subject: Measuring the vacuum? New VW Type1 installation& misfire

Hi, an initial scan reveals your map is effectively 'upside-down'!! The top row with the lowest pressure is for closed-throttle (low load) and the bottom row with the highest pressure is for open-thro ...
PostForum: Assembly   Posted: Wed Sep 19, 2007 2:26 pm   Subject: Converting from MAP to TPS

Removing R4 should do the trick.

Richard.
PostForum: General Discussion   Posted: Wed Sep 19, 2007 9:54 am   Subject: Having to log in too often?

I've had this as well - Firefox under WinXP.
PostForum: Operation   Posted: Tue Sep 18, 2007 9:03 am   Subject: Bad stumble under load

Good news! There's nothing wrong with a simple solution. And in the process you've double-checked everything else.
PostForum: Operation   Posted: Thu Sep 13, 2007 9:57 am   Subject: Bad stumble under load

Construct a map with 10 degrees in *every* cell, and drive the car both with and without the MJ connected. In theory the timing should remain at 10 degrees in both cases - if there is a difference in ...
PostForum: Operation   Posted: Wed Sep 12, 2007 4:57 pm   Subject: Bad stumble under load

Hmm.....a few further ideas:

I'm concerned that you said it ran OK on EDIS only, but poorly with 8 degrees in the MJ map, which is very close to the EDIS-only 10 degrees. Construct a map with 10 de ...
 
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