Hondata stage 2 with P28 ecu on a B18C1..

Hybrid_Hatch · Post by **Hybrid_Hatch** » Sun Oct 06, 2002 1:55 am

ok Iam trying to find answers and will post hoping it helps..
I have a 99 hatch with a B18C1 (gsr) engine with the stock intake manifold..what do I do about the secondary runners?? is there away to hook them up or do I need to change to a skunk2 manifold or get a obd1 P72 ecu?? I would like to keep the stock manifold so I can run a gsr nos setup but dont want to lose the 10+ horse from not having them work.
Thanks,David

AndyE · Post by **AndyE** » Wed Oct 16, 2002 8:27 am

You need a P72 ECU to control the secondary intake runners on a B18C1. No other Honda ECU has the right circuitry to handle it.

-Andy

hybridsol · Post by **hybridsol** » Sat Oct 19, 2002 7:05 pm

IMHO it is not worth crap to get the runners working. GET THE SKUNK 2 INTAKE. You will NOT be dissappointed, esp w/ CAI and headers.

whoojong · Post by **whoojong** » Tue Oct 22, 2002 12:37 am

you can always just have an external rpm switch to activate the runners, no big deal. way cheaper than getting a p72 and having to resolder and ect.

Whoojong

justin · Post by **justin** » Wed Oct 23, 2002 3:29 pm

whoojong wrote:you can always just have an external rpm switch to activate the runners, no big deal. way cheaper than getting a p72 and having to resolder and ect.

Whoojong

I've heard of this being done too. Can you elaborate on installing an rpm switch to activate the runners? I know you can use an MSD rpm switch, but I'm clueless on how you would install it...By the way I'm in the same position w/ a b18c1 and p28 ecu with an s200 system. Thanks.

Justin

Hondata stage 2 with P28 ecu on a B18C1..

Hondata stage 2 with P28 ecu on a B18C1..

external rpm switch

Re: external rpm switch