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Questions on the A20

Discussion in 'Engine Building' started by 89accordsalo, Dec 19, 2010.

  1. 89accordsalo

    89accordsalo New Member

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    Well since i just got a 89 accord lx and its my first car. I want to know why people have this kind of intake manifold on a A20 engine, and what kind do they use because i want to get one because im pretty sure this gains some horsepower but not lots.
    [​IMG]

    and instead of this, the stock one
    [​IMG]

    So yea and also new to the forums :newbie:
     
  2. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    top one is fuel injected (A20A3 / A20A4)
    bottom one is carbureted (A20A1 / A20A2)

    thats a lot more than just an "intake manifold swap"
     
  3. intenseneal

    intenseneal New Member

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    Yep the top one is from a LXi. I had a 89 LXi years ago, it was my first Honda and started my passion. Benefits of the PGMFI system are, a bit more hp and better fuel economy. The PGMFI swap is not the easies to do and you will need to have some wiring skills. You will need complete intake mani from LXi with all sensors ect, ECU for LXi along with wiring harness. I would not waste my time on this swap. The A20 motor is only a single cam 12 valve head, made for fuel economy and low emissions. The head design has poor flow and restricts the performance that the larger 2.0L bottom end should have. Dot get me wrong I loved my 89 LXi. I had 16 inch rims, lowered it, had Prelude Si suspension and brakes, SRI, Pacesetter header that fit like crap and a cat back with Magna Flow muffler. I ran great but was slow, had to really push it to keep up with a stock Civic with D15.
     
  4. Don 7899

    Don 7899 New Member

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    I have a 1987 honda accord lx, and was wanting to swap to a fuel injucted intake manifold from an 86-89 prelude or lxi, but don't know all the parts I would need...I would greatly appreciate a list...and does the lx wiring harness support fuel injection or will I have to do some wiring?
     
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