I have Lt8 with a 20b map
 

I have searched, and from what I have read, the 20b only works with the Lt12. Now my car has an LT-8. There is a map on there titled 13b RAZworks (or something like that). Thats the map that I use. And the 3 other saved maps are titled 20b. I have not looked thru the maps yet, but was wondering if the LT8 is compatible to use with a 20b. LMK thx

alright. no one knows?

An LT8 does not have enough outputs to run a 20b.

Why not? The LT8 will fire the injectors obviously. It is also capable of running 4 separate ignition coils. You really only need 3 signals to run a 20b w/ no spark split, right? Also, I want to use a 20b but have an ltx8s, will microtechusa exchange it for an lt12 unit for a price? Im guessing it would have to be reconfigured to run a 20b anyways, if it in fact is capable of it.

the saved maps will be on your handset or laptop adaptor not on the ecu,

hmm u mean what if i tuned with the laptop adaptor and then swap with the handset i will actually get different settings?

im lost....

I know. If you can tell me which page number of the LT8 manual shows which SCREEN lets the user change from 2-rotor (4-cyl) 180deg timing to 3-rotor (6-cyl) 120deg ignition timing, then I can tell you exactly what you need to do. I have a manual, but I can't seem to find that information at the moment. ;)

already got my answer last year, just read the last post after mine.

Just wondering because it says that it can run up to a v8 or a 4 rotor on the site. How do the 20bs rotate? If it is in fact a 120 deg rotation like mentioned above, I guess the only way it could possibly run it is to setup the trailing igniton to fire the 3rd rotor. That technically could make sense, but what the hell do I know.

Then again nevermind, because the first 2 rotors wont fire 180 apart anymore. I guess it is impossible to do a 3 rotor, but maybe possible to do a 4 just because you would have 2 pairs of rotors each firing 180 deg apart.

Sorry for rambling, I suck.

The LT8 has 4 ignition drivers. The 20B only needs three (if you run it with simultaneous timing of the leading and trailing spark plugs). An LT8 will not work with a 20B, but the lack of outputs is not why. ;)

The problem (which is sometimes also an advantage) with the Microtech products is that they are not universal like most other standalone EMS's (Haltech, Wolf, etc.). They are made for a particular engine type, and must be reconfigured from the factory in Australia in order to work with another engine. For example, an LT8 for an FD RX-7 will not even work in an FC RX-7. The advantage of this is that it is easier to initially tune a Microtech EMS than it is to install a universal EMS that must be configured for a given vehicle by the user.

Microtech does offer custom services, but I am not sure if they can, or will, make an LT8 work with a 3-rotor engine. However, given the price and trouble of the reconfiguration, I think it would be better to just buy an LTX-12 that is proven to work with a 3-rotor engine and is capable of split ignition timing.