It is not hard at all to replace one item in the data stream with another. I did a write up somewhere. I have my dash set up to show which forward gear it is in. Look at the two adxs for the trans and then just put the items you want into the engine .adx.
http://www.gearhead-efi.com/Fuel-Inj...hlight=hacking
Just focus on the idea behind the first post. We were working on the older '7747, and had very little data to put into an even smaller data stream. The '7427 is much easier.
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