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  1. Transmission alley
    Hi all my question is when changing from an auto to manual gearbox is there any special wiring that needs to be done? To trick the ecu or somthing? Thanks.
  2. Engine Management
    Hello, What additional information does the ECU (OBD1) learn and store using the Voltage Back Up? Plug D1, gets 12V from under hood fusebox via C131 Does anyone know where to find more information? I have heard for "Emissions" but not much more. Thanks
  3. Engine Management
    I have a 94 Honda Civic DX Hatchback with a D16Z6 engine, and P28 ECU. I am trying to communcate with the ECU using an Arduino. I have pulled the ECU, soldered in a header at CN2, and cut the jumper at J12. From everything that I have read, the ECU is supposed to send and receive data over...
  4. Forced Induction
    Things NO ONE told me about installing a TURBO These are things NO ONE ever told me about getting/installing a turbo. Now that I have boosted my 93 civic eg6, D15B7 these things are SO obvious, but when I didn’t know about it, I was all over the internet looking for answers. I found a lot of...
  5. Product Reviews
    Good Day all, I recently bought an EG8 with a d15b 3 stage vtec engine and 5fwd manual transmission. My question is what can i do to tune/upgrade the ECU to get some more performance out of the motor?
  6. General Tech
    been having some trouble finding a right ecu for my 92 honda civic 4dr LX d15b7 motor. what ecu would be good?
  7. For Sale
    Hondata s300 - cheap! I have a P28 ecu that has hondata S300 installed. SOLD! Thanks for your interest!
  8. For Sale
    i have 75mm wiseco forged pistons, eagle rods and acl race bearings for sale. all have never been used, but taken to a machine shop and balanced out. they are listed on ebay so they can be shipped to you: D16y7 D16y8 D16z6 Wiseco 75mm Pistons Eagle Forged Rods And Acl Race Bearings | eBay...
  9. Engine Building
    My 91 civic has a d16z6 head on a d15b2 block. It was like this when i got it. instead of converting to the obd1 they ran the vtec through a msd ignition switch and kept the obdo harness. The only distributor that would work came out of a ls integra it had to be modified to bolt up, looks like...
  10. Engine Management
    So I'd hate to beat a dead horse, but i couldn't find any solid information on tuning an obd2 ecu. My current project is and stroked y8 and I'm going to want to tune the vehicle to get all my FT-LBS in check. I want to keep it obd2 for emissions purposes. Any help would be appreciated! Please...
  11. Engine Management
    I have a 92 Civic ex with a 99 D16Y8 VTEC swap but still running the factory 92 ECU...... The car was an automatic but now a 5speed after swap. I believe the ECU is the obd2? Which ECU should I be using and what car do I get it out of for optimal performance? Any help would be greatly appreciated!!!
  12. Engine Management
    p28 tuned in crome, check engine light comes on but cant pull the code. motor idle surges like the IACV isnt working. 1-1.5k rpms. new IACV, new wires and pins from ECU to IACV. back probed at IACV 4.9v with check engine light on. one time i got the bright idea to pull the hell over and pop the...
  13. Engine Management
    I just recently bought a 5 speed 1998 honda civic, and i came apon a problem...the check engine light is on and she is drinking gas likee a dumptruck! So taking a closer look i realised the engine dosent match the ECU (non vtec ecu) (vtec head) So my vtec solenoid and oil pressure sensor is...
  14. Engine Management
    Hey guys i'm new here on your site. I just picked up a 94 civic cx with a d16y7 in it running on a p05 ecu and it seems to be making the motor super under powered i've rode in a d16y7 there under powered as it is but this is like super bad. When im driving it almost feels like its gonna snap out...
  15. Engine Management
    Is there a thread about upping the limiter, mine cut's in about 7400rpm, sohc 16z6. Not yet checked what type ecu . Mark
  16. Engine Management
    Having some issues with auto to manual ecu conversion I got 4 ecus sitting here 2 p75 and 2 p06 from what I read online. Ecu codes ending with c01 are manul and ones with c51 are auto. But one p75 c01 has both resistors at rp17 and rp18 wich doesn't that mean it auto? And my othere p75c51is...
  17. Forced Induction
    I've been researching on this dseries for about 2 months trying to gather all the info i can in order to turbo my civic. Really dont need help with the build but am looking to obtain 200-300whp and know i need a good tune. Really want to go obd2b to obd1 p28 with s200 or s300 i guess hondata ...
  18. General Tech
    I have a d16y8 engine for a 96 civic. I connected a vtec light from the dash board to the green wire of the vtec solenoid valve. When the engine is already warmed up and I tried to make a run, the Vtec light turns on and I can feel the Vtec kick at 3000rpm. Is this normal for a vtec? I have a...
  19. Naturally Aspirated
    Before i begin going into the details of my current project i will first tell you what i have already done to the car: Before all mods commenced last year the cat was replaced as it was so full of carbon build up the engine wouldnt run. .. please express your simpathy not remarks :( Then...
  20. General Tech
    PLEASE READ THE ENTIRE POST TO HAVE A FULL IDEA OF WHAT IS GOING ON HERE heres my setup first of all that i just purchased a week or so ago its a 95 hatchback with a d16y5 swapped into it using a obd1 to obd2a harness for the p2n ecu issues im trippping the following codes 22 vtec oil...
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