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  1. J

    '91 civic LX wont start

    do you have a check engine light showing? any codes showing on the ECU?


  2. J

    91 Hatchback engine codes

    remove the hazard/ECU fuse in the main fuse box under the hood for 20 seconds and the ECU will reset - the fuse is #34 which is the top one in the row of 5 closest to the firewall the coolant temp sensor for code 6 is on the end of the head below the distributor - has a 2-wire connector with...
  3. J

    i need d16y7 coolant diagram

    the P06 intake manifold is off a 92-95 D15B7 - looks like this: the factory D16Y7 intake manifold uses a downdraft throttle body and looks like this: coolant and vacuum lines for Y7 are not going to be correct for the B7 intake this is the main fuse box: this is the...
  4. J

    Wrong Engine in my CRX Del-Sol

    factory ECU for the D15Z1 is P07
  5. J

    dohc d series in a DC4

    just curious - what do you base that statement on? - you ever had a DOHC ZC? - what makes it so bad? FYI, has exact same bottom end (except for the higher compression domed pistons) as the SOHC D-series engines, just makes more horsepower than the SOHC engines they are all old but they are...
  6. J

    dohc d series in a DC4

    this is the 88-91 JDM OBD0 DOHC ZC (not ours) - this one is boosted this is our ZC with dual Weber carbs
  7. J

    average weight of engines

    here are some D-series dry engine weights taken from the Honda Factory Service Manual: D15B6 - 195.3 lbs - D15B8 is similar engine D15B1/B2 - 207.7 lbs - D15B7 is similar engine, little heavier D16A6 - 218.9 lbs - D16Z6/Y8 are similar engines, little heavier D16A8/A9/Z5 (DOHC) - 232.0 lbs
  8. J

    1990 honda civic lx motor swap. New to proformance mods need help

    the only thing you can swap in without changing transmissions, buying a mount kit, buying axles, etc. is another D-series engine - the simplest D-series engine to swap into your car that will give you the most horsepower is the 88-91 JDM DOHC ZC - has more horsepower than any SOHC D-series and...
  9. J

    Metal shavings

    if rthe SOHC ZC crank has the right diameter front snout, i would have it checked out and use it if it is o.k. - all of the 89-95 D16 cranks are the same
  10. J

    Metal shavings

    which crank you can use will depend on the model year of the DOHC ZC - as is true with all D-series engines, the 88 model DOHC ZC crankshaft had a 22mm diameter front snout where the timing belt gear goes on - 89 and up crankshafts (DOHC ZC and all SOHC D-series) had a 24mm diameter front snout...


  11. J

    Metal shavings

    i noticed that you are replacing the oil pump - what pump are you putting in? - is the stock ZC pump bad? - the reason i ask is that the ZC pump output is 17.7 gal/min. where the SOHC pump that fits the ZC is only 11.6 gal./min. output - keep the ZC pump if at all possible
  12. J

    Metal shavings

    the OEM D16 crankshaft will be fine - lots of boosted ZCs as well as SOHC D-series engines, some making over 400whp, use OEM crankshaft
  13. J

    building b18c1 need help with head gasket thickness

    using that calculator, i get head gasket thickness of 0.051" to get cr=12.1:1
  14. J

    Engine Swap - Carby to V-TEC?

    contact this guy - he has done D-series swap in 78 Civic http://hondaswap.com/members/78civic
  15. J

    More problems.

    sounds like you have a bad input shaft bearing in the transmission
  16. J

    Crank Position Sensor Code

    what code(s) are you getting? - a lot of people get the CKP (crankshaft position sensor) and CKF (crankshaft speed fluctuation sensor) mixed up - the CKP is inside of the distributor - the CKF is behind the crank pulley codes for CKP are: P0335 P0336 P1359 codes for CKF are: P1336...
  17. J

    OBD0 wiring question. pretty simple.

    yes, you need 89-91 CRX/Civic Si engine wiring harness - it will plug right up to everything - you just need to add wires for VTEC, knock sensor and 2nd O2 sensor
  18. J

    b16a gaskets/seals and axle shafts

    94-97 Del Sol B16 VTEC
  19. J

    b16a gaskets/seals and axle shafts

    99-00 timing belt and tensioner are the same - water pump is different
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