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Need Someone to Break it down VTEC rex

Discussion in 'Civic and CRX - EF' started by Murphymotorsport, Jun 16, 2008.

  1. Murphymotorsport

    Murphymotorsport New Member

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    Ok let me start by saying im really not an idiot I just really want to be sure before I do it..... I want to put D15B Vtec (JDM full swap) in my 88 crx HF.... Now i have read almost every article and post on the subject but alot of stuff is unsaid or im unsure of so can someone anwser a couple of my big questions.

    I know I have to get an p28 ecu and engine wiring harness but will my current interior wiring harness plug right up to the new ecu?

    Will my Hf 5 spd Tranny bolt up to the new engine?

    Right now my Hf does not have A/C or Power Steering. The new engine comes with everything (a/c, power steering) Will my car be able to have A/C and power steering then?

    In my CRX right now i have a 135 amp alternator ... will this bolt right on to the new engine or do i have to get a new one for the Vtec engine?

    That is it for now Thank you for your time I really appreiciate it.
     
  2. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    you dont have to use a p28 if you dont wont you could use a the d15b vtec ecu with a 1 wire o2 sensor you can bolt your stock hf tranny to it but thats gona suck because its geared so long the motor wont have much power to it, try and get your self a 88-91 si tranny, that will bolt right up also, and you will need to covert your car to obd1 and run some extra wire for the vtec.and your alternator should work fine
     
  3. 801CRX

    801CRX Got Rice?

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    Wheres my rep?:ph34r:
     
  4. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    Originally Posted by Murphymotorsport [​IMG]
    Ok let me start by saying im really not an idiot I just really want to be sure before I do it..... I want to put D15B Vtec (JDM full swap) in my 88 crx HF.... Now i have read almost every article and post on the subject but alot of stuff is unsaid or im unsure of so can someone anwser a couple of my big question.

    I know I have to get an p28 ecu and engine wiring harness but will my current interior wiring harness plug right up to the new ecu?
    No, your harnesses and plugs are all OBD0 the P28 is OBDII. You need to get the sub harnesses for the swap.
    Try this: Rywire - Online Store

    Will my Hf 5 spd Tranny bolt up to the new engine?
    Yes, but an Si tranny would be a great investment, or try to find a factory LSD tranny that came with the JDM D15B's.

    Right now my Hf does not have A/C or Power Steering. The new engine comes with everything (a/c, power steering) Will my car be able to have A/C and power steering then?
    Dude your CRX never came with power steering...hahahahahahahaha. You dont need power steering in a CRX. The A/C is all up to you.

    In my CRX right now i have a 135 amp alternator ... will this bolt right on to the new engine or do i have to get a new one for the Vtec engine?
    My advice is get one for a D16Z6 and mount it to the D15B.

    That is it for now Thank you for your time I really appreiciate it.

    your wrong though so you dont need rep lol
     
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  5. 801CRX

    801CRX Got Rice?

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    :thumbsup: :fuckyou:...lol
     
  6. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    lol its cool everyone slips up every now and then i do it myself
     
  7. 801CRX

    801CRX Got Rice?

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    ^^^Eh nobodys perfect.
    As long as you learn from your mistakes!
     
  8. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    but do you know what the mistake was lol...pop quiz lol
     
  9. 801CRX

    801CRX Got Rice?

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    The JDM D15B LSD trannys are hydro whereas his car is cable tranny.
    ^This is the only one I caught
     
  10. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    hes gona want the obd1 p28
     
  11. 801CRX

    801CRX Got Rice?

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    Ahhhhh fuck I got carried away with the roman numeral I.

    Dude you had me reading my shit over and over again. And the only thing I caught was the tranny deal.

    I was sitting here like I know im right, WTF is he talking about.

    Good looking out!!!:mad:
     
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  12. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    lol + rep for effort lol
     
  13. 801CRX

    801CRX Got Rice?

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    Wanna know whats funny though?
    The P28 ECU only comes in OBDI, so no matter what he would've got it(I hope).
     
  14. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    you was doing so good lol, there actuyally is a obd2 p28
     
  15. 801CRX

    801CRX Got Rice?

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    The only P28 I know of is the ones that came on the 1992-1995 EX/Si Civics and Del Sols.

    You still messing with me dude?
     
  16. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    1996-1997 del sol p28 obd2
     
  17. 801CRX

    801CRX Got Rice?

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    Damn your right again!
    Thats only in the Euro models though right?
     
  18. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    naa here in the states also
     
  19. 801CRX

    801CRX Got Rice?

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    Wow, I guess you learn something new every day!

    I need to catch up on this shit. Im more revolved around the ED's and DA's so thats where most of my knowledge is.

    Thanks!
     
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