what do i need t convert to odb1
 

im gonna help my friend out with tunnin his gsr its a 99 so i wanna convert it to odb1 and run uberdata. i know i need a coversion harness and a 0db1 vtec ecu. what else. and if anyone has one of those ecus for sale thats aready chipped hit me up

Re:what do i need t convert to odb1
 

www.jdmshit.com get a conversion harness. P72 OBDI chipped. Done.

Re:what do i need t convert to odb1
 

What about the distributor?
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Re:what do i need t convert to odb1
 

No need for a change in the distro.

Re:what do i need t convert to odb1
 

shizzle..thanks guys for that quick responce..now i gotta find one. wheres projekteg these days

Re:what do i need t convert to odb1
 

where do i go to download uberdata?

Re:what do i need t convert to odb1
 

Really? I thought the ECU had to match the distributor. ???
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Re:what do i need t convert to odb1
 

I am OBDIIa to OBDI and its fine.

Re:what do i need t convert to odb1
 

didnt we have to do something like the three wire iacv to the two wire?

Re:what do i need t convert to odb1
 

Yeah, what about it? :P I think you need an OBD1 2 wire IACV, but I also thought you needed an OBD1 distributor so don't listen to anything I say. :-[
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Re:what do i need t convert to odb1
 

i thought you needed a dizzy to cause form odb0 to 0db1 you need one. soyoud think it would be the same. but i do remeber that the hmt install up hear in the NE we did the conversion harness and the odb1 ecu and it ran fine.

Re:what do i need t convert to odb1
 

Maybe it's just with OBD0-OBD1? I've never messed with OBD2 ---- so I don't know.
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Re:what do i need t convert to odb1
 

the deal with the distributors is the spline count on the reluctor wheel, obd0 is 18 or something and after that it's 24 or something. I posted a picture a while back of the difference between the obd0 and obd1 distributor shaft and reluctor wheel, but nobody responded to that thread ever again.

Re:what do i need t convert to odb1
 

You wont need to do an IAC conversion because the B18 uses a 2 wire to start with. Only Y7's and Y8 autos.

Re:what do i need t convert to odb1
 

so if i wanna use a p28 or one of the p06s that teg has in the classifieds that are coverted for vtec. what would it take to make them work? meaning disabling the secondaries?

Re:what do i need t convert to odb1
 

Maybe you can convert one to open the IAB's. I'm pretty sure you can do it.

Re:what do i need t convert to odb1
 

you can...

http://www.pgmfi.org/twiki/bin/view/Library/AddIABToP28

Re:what do i need t convert to odb1
 

yeah, you can do it, i know how, but i never have and wouldn't feel confident doing it for the first time on an ecu that i would be selling :-\