noccahcrx Posted August 23, 2002 Share Posted August 23, 2002 I have a 90 crx w/ a B16a. I am pretty knowledgeable about hondas but don't know if i can use a field afc-vtec controller, or an apexi vafc. My coding is pr3, which i've been told makes it impossible to tune. HELP! Link to comment Share on other sites More sharing options...
Toda Party Posted August 24, 2002 Share Posted August 24, 2002 who said it was impossible, and why? a vafc should work fine..... Link to comment Share on other sites More sharing options...
EGRacer Posted August 25, 2002 Share Posted August 25, 2002 get the A'PEXi vafc. it is very helpful in ajusting your air/fuel mix and setting vtec. Link to comment Share on other sites More sharing options...
noccahcrx Posted August 26, 2002 Author Share Posted August 26, 2002 the pr3 ecu has a closed loop connection and any adjustment made will be corrected to factory settings. vtec may beadjustable in this case, but what i need to know is if the air/fuel can be adjusted w/ it Link to comment Share on other sites More sharing options...
EGRacer Posted August 26, 2002 Share Posted August 26, 2002 yes get the A'PEXi VAFC and you can do all you wan tto help tweak your motor. trust me. also maybe getting your ecu chipped will help. they can help hp, trq, and just plainly in general help you Link to comment Share on other sites More sharing options...
noccahcrx Posted August 26, 2002 Author Share Posted August 26, 2002 i have checked w/ apex i and they show no listings for the pr3. only pr6, and so on. if it was compatible w/ pr3 i would imagine they would list it. also many chips i've seen say they aren't pr3 compatible Link to comment Share on other sites More sharing options...
EGRacer Posted August 26, 2002 Share Posted August 26, 2002 then get a new chip. just get it and save the hassel Link to comment Share on other sites More sharing options...
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