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D16Y5 - concerns and questions on ECU's

Old 11-03-2004, 06:16 AM
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Join Date: Nov 2004
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Default D16Y5 - concerns and questions on ECU's

First off, let me say this is an amazing site with great information.

I've got a D16Y5 has stock internals runing a t3/t4 on low boost.

I'm very close to ordering a Harness to convert OBDII to OBDI I understand it does not matter which flaver (p28 / p30 / p72) Can someone verify? The Y5 is the vtec-e -- I imagine it'll make a difference at tuning time, but so far looks like any OBDII will do. If I did this the CEL would not be on, right?
If I don't order an OBD! and go with a stand alone, I would have to figure out which stand alone to use and deal with a CEL. I believe the stand alones will be able to manage the VTEC, so cost wise they are close.

I would like to build up the internals. I have been unable to find any real recomendations for internals. only marketing crap. Is it worth the dough to get an $800 crank? Should I just the rods and pistons?

MAYBEdo a head swap to a Y8 -- not sure the head worth swaping or just get new springs and retainers?

I've already ordered:
255 fuel pump.
450 injectors. (Still need to get resistors - any clean way to do this?

Ready to order:
Fuel preasure regulator.

Still researching ECU:
Option 1:
ECU option (OBDI w/harness with some PC interface -- $200) (CEL can be managed?)
Option 2:
Some $250 Stand Alone system? (CEL will be on?)

and still researching head options.

I also want to get a wideband, but I couldn't find any real recomendations. What is everyone using and where are you buying them? I only need 1?

Please point me to any links I may have missed in my searches.

pheobo is offline  
Old 11-04-2004, 08:15 AM
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Join Date: Dec 2002
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Default Re:D16Y5 - concerns and questions on ECU's

Your stock crank will be more then enough...a stand alone is at a minimum of $700 for the cheapest I've seen. and your cel will not be on, cause your stock ecu isn't there to throw a CEL.
If you convert to OBD1 and everything is hooked up right the OBD1 ecu won't throw a CEL. Maybe yous should disable some sensors..like ELD etc..if your in another country.
Semnos is offline  
Old 11-04-2004, 08:48 AM
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Default Re:D16Y5 - concerns and questions on ECU's

Thanks. I would like to decide on how I'm going to manage fuel soon, so I can buy soon...

My dilema is... about $200 gets me a V-AFCII
Buy an OBD1 -- $ ?)
$80 for a wiring harness
$75 to get dataport.

I would assume the AFCII would be the way to go. Ideas?

I'm in Central Florida.

pheobo is offline  
Old 11-04-2004, 10:52 AM
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Default Re:D16Y5 - concerns and questions on ECU's

vtec-e won't make much difference. i suggest converting to obd1 and running a chipped p28. what do you have an hx? this will all cost you about the same as the afc and will be much better.
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