WebApr 22, 2005 · It looks like it is a chipped p28, everything in the lower right corner seems in place, the only thing that was not connected are the 4 pins to the left of the resistor line which is used for datalogging, how do you know if vtec did not engage? It is very hard to notice anything in an sohc. WebAug 10, 2011 · With VTEC-E, 1 intake valve is closed at low rpms. At a certain RPM (somewhere between 2000-3000 RPMs), VTEC-E will engage and open the other intake valve. If you tried to use a P28, you'd be running with 1 intake valve open until VTEC engaged at around 4000-5000 RPMs. That would kill your performance.
chipped p28 vs p72 Team Integra Forums
WebFeb 25, 2008 · stock p28 tables with p30 code. O2 and VTEC check routine disabled. This rom definatly works what chips are you using? Attachments p28.bin 32 KB Views: 444 current setup: ported d16y8 head AEM TRUTIME camgear 105300 cam ferrea 20º Super Flo. 1 mm oversize valves zex valve springs Edelbrock Performer X 62mm TB d16a6 … WebSep 14, 2013 · Discussion Starter · #1 · Sep 10, 2013 97 prelude H22a swap on P28 chipped Hey guys...ive been searching everywhere and putting together what I have to do to set up an aem wideband... I want to know my … theoretically defined structural variables
Honda & Acura VTEC ECU, P28, P30, P72, Hondata
WebNov 3, 2003 · you can make a chipped P28 run a GSR motor flawlessly. The only reason for it to run lean is poor work on the part of the person programming the chip. I have kids running for months on P05 (CX) ECUs converted to vtec with IAB hardware added. Kids that dropped half a sec in the quarter vs. a stock P72... WebOct 8, 2004 · If you get a "PROPERLY" programmed (chipped) P28, then you should not have any problems. I have used a P28 more than once for a H-deuce/deuce and the results are amazing. Power all the way through VTEC to redline. Yes, 9600 redline is VERY SCARRY on a H22, I would say 8200 at the MOST!!! WebMay 4, 2006 · You probably just recieved a chipped ECU that has a hondata rom on it. The p28 is a 92-95 SOHC vtec ecu. It is widely used for tuning many different honda vehicles and setups when chipped. The rom inside your ecu has a different fuel/ignition curve than that of the stock settings. theoretically exact dimension 読み方