MSD Wasted Spark Conversion
#1
MSD Wasted Spark Conversion
Just before i go at the above, i have a few questions;
is the dizzy remaining in place...do i block the holes for the HT plugs?
When disconnecting the old coil - the wires are just taped up??
How have ye fitted the new coil in place? anyone got a picture?
is the dizzy remaining in place...do i block the holes for the HT plugs?
When disconnecting the old coil - the wires are just taped up??
How have ye fitted the new coil in place? anyone got a picture?
#2
You still need the dizzi for 2 reasons...
1) It drives the oil pump
2) There is a PHASE sensor in the distributor used for the ECU that is still needed.
Some people fit this PHASE sensor in the cam cover as a secondary modification and fit a modified adaptor to remove the dizzi.
Expensive !!
For me personally, I would keep the dizzi and just fit a blanking cap as this will be cheapest.
The old coil wires can be taped up or cut back and hidden, your choice and if left alone allows you to put it back to standard if needed..
As for the coil, this all depends on which one you have but best fabricate your own bracket or use an existing bracket from the car the coil comes from.
Hope that helps.
1) It drives the oil pump
2) There is a PHASE sensor in the distributor used for the ECU that is still needed.
Some people fit this PHASE sensor in the cam cover as a secondary modification and fit a modified adaptor to remove the dizzi.
Expensive !!
For me personally, I would keep the dizzi and just fit a blanking cap as this will be cheapest.
The old coil wires can be taped up or cut back and hidden, your choice and if left alone allows you to put it back to standard if needed..
As for the coil, this all depends on which one you have but best fabricate your own bracket or use an existing bracket from the car the coil comes from.
Hope that helps.
#5
#7
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#8
I cant speak for the manufacturer of that product but sequential ignition has 4 seperate coils that are mounted on top of each plug.
This removes any need for HT leads.
The coils are fired in the firing order of the engine and are smaller.
The advantages are less power consumption, less electrical noise, precise spark voltage and the plugs last twice as long as there are no wasted sparks.
Also, as the coils have on board ignition amplifiers, you dont seperate ones anymore .
Its a modern approach !
This removes any need for HT leads.
The coils are fired in the firing order of the engine and are smaller.
The advantages are less power consumption, less electrical noise, precise spark voltage and the plugs last twice as long as there are no wasted sparks.
Also, as the coils have on board ignition amplifiers, you dont seperate ones anymore .
Its a modern approach !
Last edited by ECU Monitor Enthusiast; 24-01-2010 at 08:07 PM.
#12
If you mean the MSD kit then go to the MSD Website here ... http://www.motorsport-developments.c...stedspark.html
If you mean the sequential system I mentioned, I have heard it will be sale on ebay very soon.
The manufacturer is looking to get it into a magazine feature for a test/advertising feature.
As no one else has answered, Both the systems mentioned are retro fit upgrades for the standard L1/L6/L8/P8 ecu's as fitted to cossies.
The P8 can run normal wasted spark with an upgrade board but this depends on the chip where as the upgrade boards are chip independant.
Last edited by ECU Monitor Enthusiast; 24-01-2010 at 09:21 PM.
#14
If you mean the MSD kit then go to the MSD Website here ... http://www.motorsport-developments.c...stedspark.html
If you mean the sequential system I mentioned, I have heard it will be sale on ebay very soon.
The manufacturer is looking to get it into a magazine feature for a test/advertising feature.
As no one else has answered, Both the systems mentioned are retro fit upgrades for the standard L1/L6/L8/P8 ecu's as fitted to cossies.
The P8 can run normal wasted spark with an upgrade board but this depends on the chip where as the upgrade boards are chip independant.
If you mean the sequential system I mentioned, I have heard it will be sale on ebay very soon.
The manufacturer is looking to get it into a magazine feature for a test/advertising feature.
As no one else has answered, Both the systems mentioned are retro fit upgrades for the standard L1/L6/L8/P8 ecu's as fitted to cossies.
The P8 can run normal wasted spark with an upgrade board but this depends on the chip where as the upgrade boards are chip independant.
yes i mean the sequential system chap
#16
Ive found the fiesta coilpack a bit puny (although it may be dwell times in my chip not working it hard enough, I cant edit the L8 chips so have no way of testing), so if running lots of gas etc, it might be worth asking if you can buy the system without the coilpack and then using a larger one, as there are direct fit options available to slot in instead, and they arent very expensive.
Great mod to do, takes away all the hassle of the rotor arm needing replacing etc.
Great mod to do, takes away all the hassle of the rotor arm needing replacing etc.
Last edited by Chip; 25-01-2010 at 12:13 PM.
#18
There are already ecu's that do sequential ignition, if wanted, but not found to be any massive advantage without mega high rpms that typically bike engines get to.
I can run sequential igntion on me emerald if I want, but at cossie rpms say up to 8500 won't benefit me.
tabetha
I can run sequential igntion on me emerald if I want, but at cossie rpms say up to 8500 won't benefit me.
tabetha
#19
See reply to Taby-walker-erald below....
Ive found the fiesta coilpack a bit puny (although it may be dwell times in my chip not working it hard enough, I cant edit the L8 chips so have no way of testing), so if running lots of gas etc, it might be worth asking if you can buy the system without the coilpack and then using a larger one, as there are direct fit options available to slot in instead, and they arent very expensive.
Great mod to do, takes away all the hassle of the rotor arm needing replacing etc.
Great mod to do, takes away all the hassle of the rotor arm needing replacing etc.
I agree, the fiesta packs are a bit weak even with a high dwell time !
You are able to use any coil pack that does the job as long as the ignition amps can drive it.
(A minimum of o.5 ohms per coil)
There are already ecu's that do sequential ignition, if wanted, but not found to be any massive advantage without mega high rpms that typically bike engines get to.
I can run sequential igntion on me emerald if I want, but at cossie rpms say up to 8500 won't benefit me.
tabetha
I can run sequential igntion on me emerald if I want, but at cossie rpms say up to 8500 won't benefit me.
tabetha
The question was relating to upgrades NOT new ecu's !
As for sequential ignition on cossies, it depends on personal choice, bling factor and state of tune.
Many people fit 8 injectors where 4 big ones do nicely for most purposes but want 8 injectors just because of the hell of it
For me, anything that reduces underbonnet power consumption and voltage levels aswell as EMC noise etc..and increase plug life is a good thing.
Last edited by ECU Monitor Enthusiast; 25-01-2010 at 02:20 PM.
#21
Chip,
The add on board has its own CPU and program memory .
The conversions are designed to be retro fitted to any cossie weber ecu without making a single chip modification wether its running 200 or 600 bhp.
The board takes the ignition signle firing point and calculates backwards the dwell angle required based on RPM and load demand.
The dwell strategy can be selected from a range depending on installation if needed but this is an UDF
Also, to an extent the ignition amplifeirs are semi-intelligent (like most) as they charge the
coil and fold back the current when the coil is magnetically saturated.
The add on board has its own CPU and program memory .
The conversions are designed to be retro fitted to any cossie weber ecu without making a single chip modification wether its running 200 or 600 bhp.
The board takes the ignition signle firing point and calculates backwards the dwell angle required based on RPM and load demand.
The dwell strategy can be selected from a range depending on installation if needed but this is an UDF
Also, to an extent the ignition amplifeirs are semi-intelligent (like most) as they charge the
coil and fold back the current when the coil is magnetically saturated.
Last edited by ECU Monitor Enthusiast; 25-01-2010 at 02:34 PM.
#22
Are you talking about the chip on the add-on board?
I was refering to the normal chip in the L8 to begin with, the one that contains the fuel table and ignition table.
I thought there was a dwell value in there, so figured that this would still have an effect after the addition of the daughter board?
If it does how you are saying and looks at the firing point and works backwords, then essentially its "hard coded" for that fiesta coil surely, as the mapper wont be able to change that equation to scale it for a different coil?
I was refering to the normal chip in the L8 to begin with, the one that contains the fuel table and ignition table.
I thought there was a dwell value in there, so figured that this would still have an effect after the addition of the daughter board?
If it does how you are saying and looks at the firing point and works backwords, then essentially its "hard coded" for that fiesta coil surely, as the mapper wont be able to change that equation to scale it for a different coil?
Last edited by Chip; 25-01-2010 at 02:36 PM.
#23
Chip,
The ECU without the add on board for dizzi ignition does have the dwell time in the normal ECU eprom but thsi is very rough and ready as its there purely as a power saver as it relys 100% on the ignition amp doing the bulk of the donkey work as mentioned above.
The add on board analyses this original ignition signal and only needs to know when the plug is needed to fire.
It discards the dwell part of the signal as this is useless to use for the coil pack as each coil would see way too much charge and wasted heat in the coil due to them being energised too long would eventually burn them out if not corrected.
The ECU without the add on board for dizzi ignition does have the dwell time in the normal ECU eprom but thsi is very rough and ready as its there purely as a power saver as it relys 100% on the ignition amp doing the bulk of the donkey work as mentioned above.
The add on board analyses this original ignition signal and only needs to know when the plug is needed to fire.
It discards the dwell part of the signal as this is useless to use for the coil pack as each coil would see way too much charge and wasted heat in the coil due to them being energised too long would eventually burn them out if not corrected.
#24
How come you didnt just multiply it by say .5 from the original signal (or whatever the appropriate value would be) so that then if altering the original signal in the chip the dwell on the coilpack could have been altered too?
Surely the way you have done it now makes it impossible for a mapper to optimise?
Surely the way you have done it now makes it impossible for a mapper to optimise?
#25
Surely with P8 its easier to just get wasted spark activated when you get new chip? i just see that soldering in an extra circuit board is adding another potential failure point whereas if software goes mad you just get it replaced with no physical impact on the ecu.
#26
How come you didnt just multiply it by say .5 from the original signal (or whatever the appropriate value would be) so that then if altering the original signal in the chip the dwell on the coilpack could have been altered too?
Surely the way you have done it now makes it impossible for a mapper to optimise?
Surely the way you have done it now makes it impossible for a mapper to optimise?
The new wasted/sequential one I have seen can be fully configured via a USB connection.
The charge ratio is not a simple 0.5 linear curve !
hey? I thought P8 was capable of running wasted spark via a simple software change to the second ign amp via pin 26?
Surely with P8 its easier to just get wasted spark activated when you get new chip? i just see that soldering in an extra circuit board is adding another potential failure point whereas if software goes mad you just get it replaced with no physical impact on the ecu.
Surely with P8 its easier to just get wasted spark activated when you get new chip? i just see that soldering in an extra circuit board is adding another potential failure point whereas if software goes mad you just get it replaced with no physical impact on the ecu.
This used to be a pectel board only upgrade but decent tuners are able to do the mod to their own chips too (MSD for one limited example) but this was only availabe after the WS board was available IIRC.
Also, the board is universal so works on ALL weber ecu's. It just so happens you can put it on a P8 too.
.
Last edited by ECU Monitor Enthusiast; 25-01-2010 at 03:21 PM.
#27
(cant imagine there are very many other people still developing add ons for such an old ecu still now!)
The charge ratio is not a simple 0.5 linear curve !
Within the equation there will be some form of scale value, im merely suggesting that the original dwell time could have been used for this purpose, to allow mappers to still alter dwell time.
#28
Originally Posted by Chip
When you keep saying "I have seen" do you mean you are now building?
(cant imagine there are very many other people still developing add ons for such an old ecu still now!)
(cant imagine there are very many other people still developing add ons for such an old ecu still now!)
(for free of course)
I am not the only one who does work on ecu's in the world who likes cossies !
Originally Posted by Chip
I know it was just an example.
Within the equation there will be some form of scale value, im merely suggesting that the original dwell time could have been used for this purpose, to allow mappers to still alter dwell time.
Within the equation there will be some form of scale value, im merely suggesting that the original dwell time could have been used for this purpose, to allow mappers to still alter dwell time.
The existing MSD module could be easily modded in the software to utilise the dwell signal fully from the ECU but its never been requested before by anyone as far as I know.
Last edited by ECU Monitor Enthusiast; 25-01-2010 at 03:49 PM.
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