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Thread: Prelude SI 2.0

  1. 12-04-2002, 09:29 AM #1
    Zeboy
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    Question Prelude SI 2.0

    I have recently found a 1986 HONDA PRELUDE SI 2.0 LITER WITH A 5 SPEED TRANSMISSION. The only thing thats wrong with it is that it hit a curb and than smashed onto another curb and broke the front axel. The engine runs fine and thats what I am really interested in. Anyone that would know whether or not the engine in this would fit in my 1989 accord would be greatly appreciated. Thanks.
    Here is a link to the Prelude pics
    Last edited by Zeboy; 12-04-2002 at 04:00 PM.
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  2. 12-04-2002, 09:36 AM #2
    Zeboy
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    It has a carb A20A1 motor. ---To help you answer my question---
    Last edited by Zeboy; 12-04-2002 at 09:55 AM.
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  3. 12-04-2002, 05:39 PM #3
    Nospeed
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    From what i understand, yeah, it will fit. my 88 dx has an a1 in it too, so you could probably just plop that engine into it with no probs...correct me if im wrong.
    - Justin
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  4. 12-04-2002, 06:27 PM #4
    carotman
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    It's not a carb if it's an SI model.

    but yes it will fit your car if you take the hardware from your current DX engine (carb and wires and some other small stuff)

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  5. 12-04-2002, 06:33 PM #5
    Zeboy
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    what do you mean "if you take the hardware from your current DX engine (carb and wires and some other small stuff)"??
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  6. 12-04-2002, 07:17 PM #6
    flamed89
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    Originally posted by carotman
    It's not a carb if it's an SI model.

    but yes it will fit your car if you take the hardware from your current DX engine (carb and wires and some other small stuff)
    yea he's right,i have an 86 si. it has the same motor as the 86-87 lxi. if you buy the car let me know i might be interested in some body parts!
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  7. 12-04-2002, 07:35 PM #7
    Zeboy
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    I hear that the engine will fit, but don't prelude engine sit towards the firewall and accords sit towards front. How would it work if they are opposite?
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  8. 12-04-2002, 07:43 PM #8
    flamed89
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    dude i realy think that the engine bays are pretty much identical. the motor and trans are exactly the same as an accord. oh and carot means you will have to put the carb intake and other part on the si block for it to work in you car,unless you do an efi conversion!
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  9. 12-04-2002, 07:58 PM #9
    Zeboy
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    Nice... Cause My friends are saying that I wont be able to do it.
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  10. 12-04-2002, 10:33 PM #10
    3rd GEN
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    why would you want to put that engine in your accord??
    the a20 in your 89 is better then the a20 in the 86 lude...
    it's not wort it...the accord engine has more HP and TQ then the 86 lude...you would be losing if you did that swap..
    plus, i can eat those ludes alive in my accord...
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  11. 12-05-2002, 11:52 AM #11
    carotman
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    the a20 in your 89 is better then the a20 in the 86 lude...
    it's not wort it...the accord engine has more HP and TQ then the 86 lude...you would be losing if you did that swap..
    plus, i can eat those ludes alive in my accord...
    That's NOT true

    Doublecheck your info before posting attrocities like this one. The Lude engine is better than the Accord engine. Wilder cam, different cam sprocket, different distributor. better transmission.. Lots of small stuff that make the lude better.

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  12. 12-05-2002, 01:26 PM #12
    PhydeauX
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    Didn't know the cam sprocket was diferent. Is the cam timing slightly diferent on it. My have to try that untill justin gets around to getting those gears finished, or I just have my own made.

    andy

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  13. 12-06-2002, 02:01 AM #13
    3rd GEN
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    ok.. well my point is..
    why would he put an 86 motor... is his 89????
    that makes no sence...
    also.. it is carbed...so it's not that great!!

    just like the 3geez.. auto and carb are the slowest you can have.. those ludes are the same... auto and carb = slow!!!
    I have easily beaten sooooooo many of those ludes...
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  14. 12-06-2002, 02:13 AM #14
    YK86
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    That's because the 86/87 Prelude 2.0SI has the 110HP BT/A20A3 EFI motor. His 89 has the 98HP a20a1 carbed motor. If he had the 89 A20A3, that's a different story.
    Also, I did alot of part number checking and from what I can find, the Prelude motor uses the same camshaft as the Accord (part number 14111-PJ0-010 for the 5 speed). I checked this because I wanted to know if the Lude cam would be a good core for regrinding. The cam gear was also identical when I compared it to the Accord ones I grabbed.
    As for the Lude engine that doesn't fit, you are thinking of the 88+ B20A5 motors that til the wrong way and stuff.
    www.b20accord.com
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  15. 12-06-2002, 11:06 AM #15
    3rd GEN
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    Don't the carbed 88-89's have 110hp??
    and the carbed 86-87's had 98 hp??
    and the EFI 88-89's had 122 hp
    and the EFI 86-87's had 110hp???

    thats what I always thought....
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  16. 12-06-2002, 11:12 AM #16
    Zeboy
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    ok. I have a carbed 5 speed and the lude is a carbed 5 speed. My engine is shot. There is something worng with it and I haven't had time to get it fixed. When I got it the guy said the piston rings went, then it was the head gasket, than it was the timing belt. So stead of paying so much to get the pistons fixed. I figure I'll get the whole car for cheap and take the pieces I need.
    So, it's either a working engine or non-working engine.
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  17. 12-06-2002, 11:17 AM #17
    Zeboy
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    I appreciate all the replys everyone has posted. It has helped a great deal.
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  18. 12-06-2002, 11:52 AM #18
    YK86
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    If the Lude is carbed, it's not an 2.0Si.
    www.b20accord.com
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  19. 12-06-2002, 01:13 PM #19
    Zeboy
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    Oh. Then my bad. I wrote the wrong thing then.
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  20. 12-06-2002, 02:23 PM #20
    socal3rdgen
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    Originally posted by YK86
    That's because the 86/87 Prelude 2.0SI has the 110HP BT/A20A3 EFI motor. His 89 has the 98HP a20a1 carbed motor. If he had the 89 A20A3, that's a different story.
    Also, I did alot of part number checking and from what I can find, the Prelude motor uses the same camshaft as the Accord (part number 14111-PJ0-010 for the 5 speed). I checked this because I wanted to know if the Lude cam would be a good core for regrinding. The cam gear was also identical when I compared it to the Accord ones I grabbed.
    As for the Lude engine that doesn't fit, you are thinking of the 88+ B20A5 motors that til the wrong way and stuff.
    so yasu does this mean that i can pull prelude shafts as well as accord shafts. since you say that they are the same.
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  21. 12-06-2002, 02:31 PM #21
    dXsquared
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    this is what u have if it is carbed... a A18... with a tranny that is different than the accord... the whole engine may fit, but maybe not... i know the 2.0 SI will go in... it is identical to the 86-87 LXi. i have a lude EFI A20. i am converting it to carb...

    Travis
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  22. 12-06-2002, 03:07 PM #22
    PhydeauX
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    The a18 will swap in. I think it came in some of the overseas accords. The either tranny will work on the motor. It depends which car you are swaping into which tranny you need. If the car had a 1.8 then you need the 1.8 tranny. If it had a 2.0 then you need a 2.0 tranny. It only has to do with the axles.

    andy

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  23. 12-06-2002, 03:47 PM #23
    YK86
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    Originally posted by socal3rdgen
    so yasu does this mean that i can pull prelude shafts as well as accord shafts. since you say that they are the same.
    I'm pretty sure after looking at them side by side and also looking up part numbers.
    www.b20accord.com
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  24. 01-03-2003, 02:28 PM #24
    buzzbomber88lx
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    Why does my pops' 90 prelude have a 2.1 in it? Is it because it is the si 4ws or did that motor com in any of the other models?
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  25. 01-03-2003, 06:26 PM #25
    carotman
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    That's because the engine is a B21A which came in the Si model in 90-91

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