Hondata

redteg95-- i noticed you are fromATL in the HT thread-- where and who tuned the car-- if you tell me ED ill flip.

that means youre on TI too-- lol
anyhow still cant fix the prob and its relaly annoying-- going on 5 months now ans still cant fix it.

some one mentioned the EVAP any ideas HONDATA ...

yes they are 550cc by RC engineering,
i used thier online diagram with a resistor box from a CRX '88

ps-- havent tried this yet but have been told that if i swap the ECU EEPROM and just tell the chip that its going into a p28 and leave every thing else the same it will solve my problem. this being because there is no secondary runner to be found in the p28 program. -- the issue then remains that I ...

sorry for the delay in response -- but it seems that my answers are the same as all the above--- stock cams, untuned, I am running a 12.0 A/F across the board until top end where its richend up a bit in the event of a boost spike. (11.5 i think) but still the prob is in Vaccuum.

I am running stock ...

this is a problem i am having as well and have turned to Team-integra.net for a solution ( link to thread posted below) as well as honda-tech.com

It seems that many ppl are running into this with the p72 ECU and hondata, if you can, take a look and see exactly at what vaccuum its happening, many ...

ps, i have a greddy 18G setup with s200b and 550cc injectors, srp 9.5:1 and eagle rods, no sleeving either-- my big mistake too

im not a tuner but from my exp , depending on your compression you should not exceed 280-300 max whp, because you did not sleeve the block, the injectors seem to be sufficient for your power goals and should support 11psi, maybe 13 max i would dare to say dont go over that.

my egt on my hondata ...

actually i found a difference-- my friend has the older version and his blue box is a nice looking anodized blue aluminum, no offense to hondata but i think they tried to cut cost and go cheaper, mine looked spray painted babyblue.