hearing two different stories....?? which is true???

 

stock P28 is from 92-95 Civic Si's/Exs. Its meant for a SOHC VTEC motor. They need to be chipped to be properly used for a B16/B18/etc. You can run a stock P28 on those but it won't run well.

 

so it wont do any good to put the p28 ecu chip into a b16a2??...someone told me it cold boost some of hp.....

 

Someone is lying to you, or you're misunderstanding them.

There is no "p28 chip" ... the P28 is an ecu. You can install an aftermarket chip onto the ecu's motherboard and jump two wires, and the ecu will run as whatever basemap you have loaded onto the chip. This basemap can later be tweaked and changed specifically for your motor's modifications by using a dynometer (dyno tune), or by hooking up a laptop to it and tuning while driving (street tune).

But to answer your question (I hope), using a virgin P2 on a B-series motor will not yield any power gains, and it will, in fact, net you a poorly running motor and power loss.

 

p28 is just a good ecu to chip.want help you on hp

 

oh..thanx for da info...buttah yea..da dude was tellin me i dont even have to modified anything..all i had to do was just plug n play n it woulda boost my car a lil n feel power gain...lolz....newayz..dont noe if dat was true or not....oh yea another Q's guys....does a jdm itr header 4-1 install onto a b16a2 motor lose power? i heard it does due to the different diameter size....???

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by azn99si530 &raquo;</TD></TR><TR><TD CLASS="quote">oh..thanx for da info...buttah yea..da dude was tellin me i dont even have to modified anything..all i had to do was just plug n play n it woulda boost my car a lil n feel power gain...lolz....newayz..dont noe if dat was true or not...</TD></TR></TABLE>

It wasn't...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by azn99si530 &raquo;</TD></TR><TR><TD CLASS="quote">oh yea another Q's guys....does a jdm itr header 4-1 install onto a b16a2 motor lose power? i heard it does due to the different diameter size....???</TD></TR></TABLE>

No, it is a decent upgrade. The one primary drawback is the limited ground clearance that it offers.

Also, please try to compose your posts using some sort of normal English. It will make them much easier to understand and respond to in a helpful manner.

 

how good iisit to chipped a p28 runnin the itr map on a 99 civic si???..any difference??...positive/negative???