Ignition channels

[kenthompson]

Originally Posted by -=Jeff=-

You have the PN for that harness by chance?



I don't think so or it would be specifically mentioned, I think the channels are independent..

Yeah, that MSD has soem nice features to go along with it..

Please post pictures when you tackle the install..

http://www.msdignition.com/uploadedF...structions.pdf

Not a harness but an additional part that goes between the coil and the plate. Splits the wiring from the plate and then supplies the coil with voltage from the MSD.

[limey]

I'm VERY interested in this thread, there is a massive need now for the ignitions on the LT5 & good aftermarket system with bolt on parts and installation instructions would be a great item to have.

Keep us posted.

[tomtom72]

Originally Posted by limey

I'm VERY interested in this thread, there is a massive need now for the ignitions on the LT5 & good aftermarket system with bolt on parts and installation instructions would be a great item to have.

Keep us posted.

Me too, I'm interested also as I'm sure the OE stuff will not last forever. If it's a plug & play and comes with instructions I'm in.

TIA

Okay I'm not swift when it comes to wiring. After reading the pfd, this system appears to me to be intended for the LSx direct coil system, No??? Using this we are "adapting" it to the LT5 system. We loose the DIS box under the plenum & that makes room for those adaptors that we would need under each of the ciols? Am I getting this? Thanks!

[kenthompson]

Originally Posted by tomtom72

Me too, I'm interested also as I'm sure the OE stuff will not last forever. If it's a plug & play and comes with instructions I'm in.

TIA

Okay I'm not swift when it comes to wiring. After reading the pfd, this system appears to me to be intended for the LSx direct coil system, No??? Using this we are "adapting" it to the LT5 system. We loose the DIS box under the plenum & that makes room for those adaptors that we would need under each of the ciols? Am I getting this? Thanks!

The MSD is not a replacement ignition per se. The DIS unit bolted under the plenum still stays in place. All the MSD unit does is provide additional spark voltage and more duration of spark time. Plus some timing issues if used with N2O or turbos and a two step launch control. You still need the DIS factory system.

I don't believe the DIS-4 was produced specifically for LS-x engines. They are far more common on import engines (at least the DIS-2 units are). As I understand it, Aaron in Georgia has adapted one to his car.

[-=Jeff=-]

Originally Posted by limey

I'm VERY interested in this thread, there is a massive need now for the ignitions on the LT5 & good aftermarket system with bolt on parts and installation instructions would be a great item to have.

Keep us posted.

yes but this still uses the OEM ignition module, the MSD goes between the OEM module and Coils

one thing I think would work to replace the OEM ignition module would be a F.A.S.T. eDIST.. but you need a different Crank trigger with 8 notches, not nine like our OEM has. with the eDIST you would then run 8 LSx coils and have Coil per Cylinder.. no more Waste spark.

I think you could also use our Cam sensor for it as well.. but not sure if you can feed both the ECM and the eDIST from the one cam sensor..

[XfireZ51]

No relationship of channels to coils because module still provides the firing sequence. Its difficult to eliminate ignition module from our system. If the LSx PCM could be adapted to LT5 motor, then the module could be eliminated because LSx coils ARE the ignition module and PCM provides the sequencing based on crank reluctor and cam sensor. However, the code for the LSx PCM would need to be re-written to adapt specific LT5 functionality. That's one reason Graham Behan told us that the next gen LT-5 was going to have 8 injectors and not 16. GM didn't want the added expense of a unique Power Control Module.

=Jeff= ,

Does our cam sensor provide the granularity needed as an input for eDist?


kt,
If I could ask, how much is this setup putting you back with coil and harness adapters?

[-=Jeff=-]

Summitracing shows

MSD-8870 @ 36.95.. you need 4

MSD-62152 DIS 4 Plus ignition $569.95

[kenthompson]

Originally Posted by XfireZ51

No relationship of channels to coils because module still provides the firing sequence. If I could ask, how much is this setup putting you back with coil and harness adapters?

Good news then, I just need to make sure the wire sequence (orange to brown/orange, yellow to brown/yellow, etc) is correct then. The rest of it is cake electrical work.

[-=Jeff=-]

Originally Posted by kenthompson

Good news then, I just need to make sure the wire sequence (orange to brown/orange, yellow to brown/yellow, etc) is correct then. The rest of it is cake electrical work.

[-=Jeff=-]

Originally Posted by XfireZ51

No relationship of channels to coils because module still provides the firing sequence. Its difficult to eliminate ignition module from our system. If the LSx PCM could be adapted to LT5 motor, then the module could be eliminated because LSx coils ARE the ignition module and PCM provides the sequencing based on crank reluctor and cam sensor. However, the code for the LSx PCM would need to be re-written to adapt specific LT5 functionality. That's one reason Graham Behan told us that the next gen LT-5 was going to have 8 injectors and not 16. GM didn't want the added expense of a unique Power Control Module.

=Jeff= ,

Does our cam sensor provide the granularity needed as an input for eDist?

I think a LS1 Ecm could be made to work with those that have removed secondaries

As for the cam sensor, all it does is tell you when you are at #1 ( or TDC) one of the 2.. it is just for sync.. nothing else