34 replies to this topic

[t@z]

i had a MJ on my old mini and was well worth the cost imo even on the default map that mine ran for a few months it was like driving a differnt car, although it was a pain in the backside to fit i.e few teething issues with the design.

i'm currently looking at this over the MJ as you dont require an edis just a coilpack and the wiring harness is all there.....anyone had any experiences?

Edited by t@z, 03 July 2009 - 08:50 AM.

[Ethel]

Sounds similar to, but not as good as, the next generation of MJ. We don't know what price the MJ 2 will come out at or how long we'll have to wait for it but it does promise a 16x16 map with extra inputs (temp/afr correction... ) and outputs (boost control/switch fans... ). For ease of fitting there's a dizzy based MJ promised.

[t@z]

Sounds similar to, but not as good as, the next generation of MJ. We don't know what price the MJ " will come out at or how long we'll have to wait for it but it does promise a 16x16 map with extra inputs (temp/afr correction... ) and outputs (boost control/switch fans... ). For ease of fitting there's a dizzy based MJ promised.

hmm i'll have to do some reading on this.......sounds interesting decisions decisions.

edit

its a bit rubbish they wont be finishing testing till fall of 2009 as i wanted to do mine soon given i use it everyday but gives me more time to save for it and do it slowly

Edited by t@z, 03 July 2009 - 09:15 AM.

[mini93]

Do Southam do megajolt?

I'm almost certain they do.

sure do, iv not got round to it yet though as i cant afford a session at 60pph and of course will take a little more time than a dizzy but its a better result.

when i got my megajolt they supply on the CD a few maps for different engine's (one per type of car: mini a 205 etc etc etc)

assuming my mini map isnt too far off the bill the mapping session shouldnt take forever, iv been going round on a base mini map since begining of may and not had any problems, rain driving no problem at all (apart from my lack of air filters)

[mike.]

Well this all sounds great!

Only thing is alot of these places that can set your MJ are miles away from me. If i wanted to eventually get down there, i'd need a decent map to get me down there.

I want to take my mini to a couple of the big shows this year, so need something that i can install with my engine and will be able to get me around without too much messing about.


The aldon dizzy map sounds perfect for my engine (morspeed phase 3 is pretty similar to a kent 276) but is it just a case of adding that map and thats it? If i actually installed an aldon yellow, i'd still have to have the timing adjusted, so isn't theyr'e something similar to do with the MJ?

All i'm thinking is, can i stick with my MJ with an aldon yellow map, then take it to minisports rolling road to get the needle set and spark plugs sorted etc without them having to touch the MJ?

With the aldon yellow map on my MJ, does it need any further adjustment or does the MJ work it out from the vacuum?

[mini93]

iv used my "base" map for over 1000 miles rather easily. 1st outing was down to newquay, about 600 mile round trip. also did L2B and fair few other shows so its not like you cant drive on it, the base map will be rather conservative

Edited by mini93, 03 July 2009 - 10:23 AM.

[mike.]

So on the base map then or on the aldon yellow map for example, could i go and get my car rolling roaded at minisport?

They wouldn't have to touch the timing right? Because the MJ would sort that out, and they could just do the fueling?

[supermotolee]

as i understand it the base map is quite conservative as said above, so its quite safe to drive without problems, t@z drove his around with a fast road engine on the base map for months with no ill affects but he was just not getting the best from the mj, the beauty is you can hunt around the net for maps and try them
as far as fueling goes you could fit the megajolt and have it set up to the base map, you wouldnt be getting the absolute best performance but it would be super reliable for the show season or untill you find someone happy to set the mj up pefectly

[Ethel]

If you can take a laptop with you, you can make adjustments while it's on the rollers. The latest version of the software has the ability to advance/retard the whole map so you can adjust for the crank sensor location exactly as you would adjust a dizzy to set the timing. Any RR operator ought to be able to cope with telling you to advance it a few degs instead of shifting the dizzy themselves.

If the RR gets the fuelling right then there's nothing stopping you from fine tuning the ignition timing out on the road - if you improve the timing then the engine will produce more power and accelerate with the same amount of throttle. You can use the "on the fly" 2nd map option to run "a bit more" & "a bit less" advance maps to home in on the optimum.

[mike.]

So i could stick the aldon yellow map on there, go and get the fueling set, and take my laptop just incase any pinking occurs?

Also does the MJ software work with vista? All the screen shots look like they're on XP or before that.

I might download it later today and have a play with it.

Also, its worth mentioning that the megajolt i'll be buying will be the V3 version...

[maph2]

this is probably one of the best mods that you can do to any car fitted with a dizzy, bar going full fuel injection. dizzys are just so vague even when setup correctly and not worn out. go for it!

[Ethel]

I've just flashed my V3 with the latest firmware so it does most of what V4 does. Even as is, the base map bit works just as well. I doubt you'll have any pinking issues with a tame map but you may want to make adjustments if the crank sensor isn't bang on.

[mike.]

Right, cool. Looking at the features for the V3, its all i want anyway. So does MJ work on vista? Anybody tryed it?

So once i've uploaded a ready made map, then what? Is that all I do?

[mini13]

one thing with the megajolt (or any 3d system) is that you can run more advance at cruse, which will mean much better running and fuel consumption.

[mike.]

Yeah well i've read about the switchable maps. So you can have one set for maximum economy, just for cruising. Then a 'sport' map if you want to call it that, that can be professionally mapped for maximum performance.