I'm helping a friend with an EFI project using a RamJet 502 intake on his 454 BBC. I know this ECM is very versatile... we actually had it running until his oil pump craped out and spun a bearing or two "was a used truck motor" We are planning on rebuilding the motor soon so should have a chance to get it running again. The first tune was a very crudely modified v3 AUJP to get it running decent so we could break in the new cam. Its been a while since I have personally tuned a TPI or LT1 setup so I'm a bit rusty here. Not begging for a PROM image but just wondered if anyone has experience or could help out a lil on this odd arangement. Thanks!

http://alliedpaper.org/landraider/Ramjet1.jpg
http://alliedpaper.org/landraider/Ramjet2.jpg
http://alliedpaper.org/landraider/Ramjet3.jpg

 

Need to patch the code for the "large displacement PW fix." Otherwise the injector PW gets capped and it will/can run out of fuel on the top end.

Can find the info in Chap 6 of the tuning guide book ($8D PW limit fix).

Other then that just tune it like any other engine.

RBob.

 

The V3 version of S_AUJP has the large displacement fix in it. All you need to do as a first start is adjust the injector and displacement size. Then adjust the injector PW times for crank. You may want to add a little AE depending on the injector size.