I have an 88 rx7 with stock ignition, streetported s5 engine w/s4 intakes, haltech e6k, AN -6 pump to rails, aeromotive fpr and 62-1 BB turbonetics turbo.

well ive gotten my timing maps about where i want them to be. when im in 1st gear it feels about normal, no cutting out. when i hit second and third when it starts to boost it cuts out real bad. feels like the ignition is cutting out. the wierd part is that i has no affect on the wideband, stays around 11.0 - 11.4. my battery voltage on the haltech says 12.4 but the voltage on the turbo timer says 12.9. i know that is real low but would this do it? when i had my rtek 2.0 piggyback it never did that with the same voltage. i cant think of anything else...

 

any ideas?

 

what kind of plugs are you running and how new are the plugs.

 

im using stock ngk's. 7's for leading and 9's for trailing and they have 50 miles on them. it was doing it so i decided to replace the plugs, it made no difference.

btw this only started after i installed my new setup...

 

hey rich..have you datalogged this problem to see what the timing is doing? keep in mind i dont know anything from anything but, shouldnt you be able to see something out of wack on the log?

i guess im just use to looking at datalogs to help figure out some issues. we do the same thing at work when the engines have a hiccup in-flight.

 

yeah i datalogged quite a few times, the timing retards smooth.

sounds like this guy had about the same problem...
https://www.rx7club.com/haltech-forum-62/ignition-breakup-533172/