okay one quick question can i use a p28 from an obd1 ex for my b20...help would be greatly appreciated

 

You can but it will be looking for vtec and it won't be there...An OBD1 P75 would be the best bet if you are against getting a socketed ecu, and getting it tuned/burn a chip for your application. Good luck!

 

apearently the P75 ecu is a little rich for the B18b so its only a touch lean on the B20. I wouldn't risk it though a chip kit with basemap from an online retailer is less than 50$ and if its a mostly stock motor they can probably get the basemap closer than the P75 would be stock.

 

if your obd-0 use a pr4, if you are obd-1 use a pr4 or p75 whatever comes easiest to you. if you are getting a p28 cheap get it save it till you go vtec or sell it/trade it for said ecus with money on their side. treat it like a bored over b18a/b your splitting hairs otherwise

 

cmon now people, this aint' that complicated. Get the P28 chipped and have a B20 bin loaded. 72 bucks through xenocron and your done.

that way you have the P28 if you ever have the need for the vtec capability, but it'll operate a b20 just fine with the right bin loaded.

 

Agreed, but JFTR I have ran the P75 with a B20 without issue...

 

yeah sadly i ran the car at the track it ran flat 16 secs

 

What car are you running the B20 in?

 

From what I have seen, the P75 seems to be a better tune than the stock crv program.

 

x2, ive heard the p75 is a little rich for the ls and almost perfect for the b20

 

back from the dead lol didn't wanna start another thread

friend is gonna run a stock b20 shorty replacing his LS block..


should he run a p28 with a B20 pin, or p75??

or just use the LS ecu with some sort of FPR??

 

I have a b20vtec in a ej1
b16 head
ls tranny
and i run a p75 and now my car takes forever to start up
idk what wrong?
might be ecu or coolant temperture sensor or?

 

I'm having the same issue, B20b running a PR4, it takes forever for my check engine light to turn off and allow the fuel pump to prime, at first I thought it was my PGMFI relay but I plugged in an old D15 ECU and it cranks instantly, just runs like ****

 

 

[QUOTE=ChRis Thao;51706556]P75 ecu should work

 

I'm trying to get a 1998 B20z2 motor to run had an old ecunon it it was from an H23 its a P14 it was work can I use this or no, should i stick to a P74-P75 or should I use the CRV ecu with P3F

 

I would use the P3F ECU if you can... the intake manifolds are quite different, but it may work fairly well. If not, the next best stock ECU would be a P74/75. The P14 is totally wrong... and there would be codes. Ideally, you would use an OBD-1 style ECU with a tuning solution.

 

I wish I could go back in time and mod these forums. There is nowhere on the internet that more misinformation and idiots spewing out things that make no sense. A P75 is too rich for the engine that it was made for? It is literally an ECU from an LS... Any response that says "I heard" should be immediately deleted.

 

Glad you aren't a MOD. Your very first post isn't helpful at all... you only tried to **** on somebody and mock the forum. Since this is "the worst forum for misinformation on the internet" according to you... move on to a better one.

Me thinks thou art a Troll. Thanks for nothing... rookie.

 

I edited his other trolling post in another thread to delete the flaming.

Both threads closed.