hey somebody is selling a p73 from ITR. i have a p13 right now so is it worth it for me to get the p73? im also thinking about getting the hondata and it wont work with the p13 right?
any info is appreciated. thx

 

ok after i posted this i went and checked for the p73 but i don't see anything about it......sooooo what ecu is frmo the ITR?

 

P73 won't plug into an OBDI car. And no it wouldn't be good for your car anyway. You can't hondata a p73 either

 

so the best would be a GSR ecu? p72?
is that obd1?
well which ecu would be good for hondata which is plug and play.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AznBlueBoy &raquo;</TD></TR><TR><TD CLASS="quote">so the best would be a GSR ecu? p72?
is that obd1?
well which ecu would be good for hondata which is plug and play.</TD></TR></TABLE>
If you are running the stock intake manifold the OBD1 version of the P72 would be the easiest way. The P72 is available in BOTH OBD1 and OBD2. You CAN make a P28 control the secondaries in the intake manifold but it's a little more work.
If you have a 5th Gen you're going to need a conversion harness to get the OBD1 ECU to plug into your car.

 

which car does the p72 OBD1 come from?

 

gs-r 94-95

I'd rather get a p28 cause it's cheap if you are running hondata. If you arent going hondata don't bother changing your ecu

 

well what would be the advantage on the p72 over the p28?
any power differences?

 

power difference? Huh if you run a hondata system the ecu doesn't matter really it's just a slave.

The only difference is the p72 has IAB control and a knock sensor. However if you build your motor right you probably don't need secondaries (hondata can run them anyway), and properly tuned you don't need a honda knock sensor

 

ok well then....why don't i just stick with the p13?
can't it be chipped or something so it will work?

 

p13 cannot be chipped with hondata... just get a p28, its cheaper

 

grrrrr...

run a p13 until you actually buy a hondata...then use a hondata compatible ecu. There is no point that you would be running some other stock ecu on your car. Don't waste your time

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Joon525 &raquo;</TD></TR><TR><TD CLASS="quote">
If you are running the stock intake manifold the OBD1 version of the P72 would be the easiest way. The P72 is available in BOTH OBD1 and OBD2. You CAN make a P28 control the secondaries in the intake manifold but it's a little more work.
If you have a 5th Gen you're going to need a conversion harness to get the OBD1 ECU to plug into your car.</TD></TR></TABLE>

secondaries are controlled by vacuum. how would an ECU open them? there's no wires that go into that area of the IM. atleast, there isn't on GSRs. i would think an H22 dual port intake manifold would work the same way.