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  1. D Series block discussion

    Engine Building
    To all d series experts! I read through the "Best d series block for boost" thread, and this one is pretty much the same but did not want to ressurect old thread. I want to build a d-series Single slammer. I have owned 2 d series engines (ek civic and ef) and have been very reliable for me...
  2. Rebuilding dohc zc

    So I'm sure there are lots of old post out there can someone point me to the best forum or website for everything thing zc. My car jumped timing and bent valves so I'm just wanting to build it up for turbo. My goal at this point is 450.
  3. Just bought a Civic with a DOHC ZC

    I just recently purchased a 97' Honda Civic Ex with a D16A DOHC ZC, The car needs a new clutch but I can't seem to identify the amount of splines it has, and I do not want to have to remove the gearbox just to identify the clutch, I want to change the clutch the same day I remove the box to save...
  4. ZC DOHC ignition improvements

    Please post your ignition improvements that you have done to your DOHC motor plugs, wires, caps, rotors, msd, etc...
  5. Gauging demand, MFactory DOHC ZC 3/4 gears.

    Whoopee Doo Racing
    I will only have MFactory make these once there is enough actual demand. This means I need 10 partially refundable 50% deposits. 3rd and 4th gears for 92+ fitment. Straight-cut gear teeth. Ratios will be close to 1.346 3rd, 1.033 4th. Power rating will be between 400-500whp. Final ratios...
  6. New to DOHC ZC and need help

    I recently got a Dohc Zc and I would like to know what my options are. From What I can tell Turbo is a good way to go. I would like to get 200+ whp in the end and be able to daily drive the car. The ZC I got was already on its way to being turbo ready and i want to know if everything that has...
  7. sohc or dohc turbo safer?

    Forced Induction
    so im pretty new to the honda world. i have a good idea of what i want to build im just not sure on the motor. i want to turbo either a sohc or dohc but i dont know what would be safest. i ddrive alot around town so it would have to be dd safe which is why i was thinking the sohc is better. i...
  8. dohc zc ecu???

    so i was at the local scrap yard when i saw a rusted out ef. so i pop the hood and what do i find a JDM DOHC ZC. i ask the guy how much he wants he says $400 i offer he 300 and he says yes. so now i bring the car home and have the engine pulled ot put in my 89awd wagon. the ecu that came with...
  9. Transmission and Clutch Help ZC

    Transmission alley
    Okay I have a quick question about my transmission and clutch that I purchased for it. I have the stock 4 speed transmission in my 90 Civic hatch with the Zc swap and I put a clutchmasters competition stage 4 clutch in the 4 speed transmission. If I buy a 89-91 Si Transmission will the clutch...
  10. MFactory DOHC ZC LSD Pre-Order

    Whoopee Doo Racing
    These are not officially being produced yet, please read this post in its entirety. After several people have asked me about an MFactory helical LSD for the DOHC ZC, I thought I'd see if there is enough serious interest. LSD would be exactly the same as the current D Series LSD, but will use...