Rover V8 Ignition Upgrade
Posted: Sun Nov 19, 2006 9:47 pm
Info and conversion supplied By Aide,
Ignition unit: QHL-XEI8.
Bosch 12v Coil (blau) Blue: 0221119027
Ok, lets establish that we have the correct Dizzy, this mod will NOT work with the disc type dizzy as it a rectified signal, meaning it sends ½ the signal to the amplification circuit and phases the other half of the signal 180' to ensure no crossfire is present, (don’t ask me how I know because I’ll be here forever), you need to ensure that the one you have has the spikey brown trigger like the pic, don’t worry if you have a box on the side of the dizzy as you’ll be chucking that as far as possible.
If this is what you have were in business, you need to remove the amplification box if you have one and lengthen the Orange and Purple wires to go somewhere near the coil.
Now you need a component as pictured, which is the new amplification circuit. This need to be mounted in a coolish environment, near the coil is ideal as they are generally mounted away from hot spots. This unit also needs to be earthed well by the metal backplate, so on the chassis is a good idea scraping away the paint behind it and applying the grease supplied with it.
Time to do some rewiring, you need to take the coil positive to the terminal marked ‘B’, in the pic it’s the red wire, then from the coil negative to the terminal marked ‘C’, that the yellow wire. The Purple wire from the dizzy to terminal ‘W’, and the Orange wire to the terminal marked ‘G’
Mow all that’s left is hook the tach trigger back to the negative side of the coil, and a 12v (NOT ballasted) to the coil, I prefer a Bosch BLAU coil, of Blue to you and me, you can get these from any Bosch dealer and they should know what you mean. If not my local motor factors do.
Now the warning, I stupidly pulled a lead off investigating a misfire (it turned out to be the cam lobe but pulled I did). The spark jumped at least an inch and made me soil myself, do not play with this system. If you need any advice then just ask.
Adie
Ignition unit: QHL-XEI8.
Bosch 12v Coil (blau) Blue: 0221119027
Ok, lets establish that we have the correct Dizzy, this mod will NOT work with the disc type dizzy as it a rectified signal, meaning it sends ½ the signal to the amplification circuit and phases the other half of the signal 180' to ensure no crossfire is present, (don’t ask me how I know because I’ll be here forever), you need to ensure that the one you have has the spikey brown trigger like the pic, don’t worry if you have a box on the side of the dizzy as you’ll be chucking that as far as possible.
If this is what you have were in business, you need to remove the amplification box if you have one and lengthen the Orange and Purple wires to go somewhere near the coil.
Now you need a component as pictured, which is the new amplification circuit. This need to be mounted in a coolish environment, near the coil is ideal as they are generally mounted away from hot spots. This unit also needs to be earthed well by the metal backplate, so on the chassis is a good idea scraping away the paint behind it and applying the grease supplied with it.
Time to do some rewiring, you need to take the coil positive to the terminal marked ‘B’, in the pic it’s the red wire, then from the coil negative to the terminal marked ‘C’, that the yellow wire. The Purple wire from the dizzy to terminal ‘W’, and the Orange wire to the terminal marked ‘G’
Mow all that’s left is hook the tach trigger back to the negative side of the coil, and a 12v (NOT ballasted) to the coil, I prefer a Bosch BLAU coil, of Blue to you and me, you can get these from any Bosch dealer and they should know what you mean. If not my local motor factors do.
Now the warning, I stupidly pulled a lead off investigating a misfire (it turned out to be the cam lobe but pulled I did). The spark jumped at least an inch and made me soil myself, do not play with this system. If you need any advice then just ask.
Adie