New programmable ignition system (Accuspark black box)
Turbo Mini Forums

Accuspark have just released a new programmable ignition system at a very competitive price of £99!

http://www.accuspark.co.uk/Blackbox.htm

Looks good and no need for a trigger wheel or a million wires to connect
Only problem I can see is the lack of MAP or exact crank position etc.

Thoughts please

Would go MJ or Nodiz but as a stop gap seems like a good bit of kit to avoid detonation

Reading up on RTS Clutches

Dude, have you been hacked or something? We had someone selling the same shit on here not long ago with the same opening line...

Been paid to start a discussion :p

In all seriousness is it worth a punt? Or just go MJ?

Reading up on RTS Clutches

I doubt it would be as good as a megajolt, as you say no map sensor and no crank sensor. So it's still only ever going to be as good as a dizzy, just with a custom curve.

I'll just save up the extra penny's then for MJ and mapping :)

Reading up on RTS Clutches

Discussion........

Well if I've read it right (the web page is very lacking in real technical detail) first your £99 misses the fact it needs the points replacing with one of their electronic pickups, which they list at £28 - £42 depending on distributor model.

On the positive side, using an electronic pickup will remove the innaccuracy some of the really shit systems create (those which retain the points as the trigger) as there is no fibre/plastic arm, or the points themselves to wear.

But you'll still have all the inaccuracies of backlash in the camchain and helical dizzy drive moving the timing around compared to what you think you have set. Not much maybe, but virtually non-existant on a system that uses a 36:1 wheel on the crank, especially if its attached inboard of the rubber damper.

And, by still using a single coil and a rotor inside the dizzy cap to generate and transmit the spark, the actual spark will be no better than the later standard electronic distributors. ie, nowhere near as good as a coilpack based system.

And you still have the complete dizzy wasting space and putting the HT leads in the standard rain soaked path.

But the "best" bit of the lot is the advance curve is only two dimensional, it has no load input (MAP or TPS), just RPM.

EXCEPT, in the video, after they've locked out the mechanical advance, they appear to re-hook the vacuum advance mechanism up.... so the load input is still there but you haven't a clue what it is and can't do anything about it.

Forget playing with dwell, unless you really know what you are doing you will just burn out coils and the fact they have provided that feature is no replacement for a programmable load input giving a three dimensional map that MJ and all full EMS systems use.

Just my opinion :)

Schrödinger's cat - so which one am I ???

Yeah it's missing a lot haha
Fantastic write up thanks Rod

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So in a roundabout way it's crap. Ha. Thanks rod great write up. For a split second when I saw it I considered it as it may take me a while to understand mj but now I see its not worth the hassle.

i got nothing but time..

Reading up on RTS Clutches

That's handy as otherwise I would have to deem you a BAC and ban you.

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will

Schrödinger's cat - so which one am I ???

Can see what you mean about the actual teeth/trigger.

But I guess it must produce a consistent and reliable trigger. Again, it's obviously intended for an easy install. Although a more distinct tooth pattern would be nice. Been years since I took a dizzy apart, so not sure how difficult it would be to change the cam part.

Last one I did was a Rover V8, and it's tooth section was actually removable, but it was also electronic already

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will