I think it's a p28 but you guys might know better what ecu does a 95 gsr have??
thanks
luis

 

P72.

 

but if you have serious mods and a skunk mani i would change it for a chipped p28.

 

There's really no point in switching to a P28 from a P72. You can chip your OBDI ECU just fine and the ECU wouldn't know or care if you replaced your stock dual runner manifold with a skunk2 IM. I switched to a P28 to run Hondata, but I had an OBDII ECU. It will give you a CEL if you remove the useless knock sensor however. The P28 would not.

 

True, but in case he wants to keep the p78 to return to stock, he could either find a chipped p28 in the class pretty easiliy or get an unchipped OBD1 version for about $120, then chip that...either way. Chipping the p78 is fine too, but tuners have just told me that the p28 is more flexible.

 

its a p7TWO meatball. even if you chip the p72 ( ie for hondata) you can return it back to stock spec. thats what i did w/ my p72. no reason for someone w/ a b18c1 to get a p28.

 

and chipping it back to spec would cost how much? $125? either way, the $ is the same.

 

you dont have to chip back to spec for removal of hondata. cost=free.

 

i didn't even realize we were talking about hondata...oh well. its late, give me a break!

 

its all good. j/k .

 

to return to stock, burna stock program to a $3 chip, or cut the J1 jumper so the ecu uses the stock program located inside of the cpu itself. Free to go back to stock

 

we not talking about hondata but if i was to get a hondata would i need a p28 ecu??

what car is the p28 from?

 

no u could use a p72 w/ hondata. p28 is from sohc civic.

 

can i use a p28 chip in a p72?
sorry for dumb questions just trying to get to know what to mess around with

 

huh?

 

I believe the chips are physically the same but the programs are not due to the presence of another cam and more fuel. SOHC vs DOHC.

 

threatcon this is what i was looking for
doesn't hondata software allow me to take a p28 map and change it to a p72?

 

There are some major differences between the p28/p30 program, and the p72 program. You *could* run a p28 program in a p72 ecu, but not vice-versa.

 

so if i put a p28 eprom chip into my p72 my car will run without a problem or will i have to convert it to a p72 program