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B21A1 vs. B20A5???

Discussion in 'Engine Building' started by '90ShowCRX, Mar 22, 2004.

  1. '90ShowCRX

    '90ShowCRX Junior Member

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    I am just wondering if anyone has used a B21A1 out of the 90-91 Prelude Si for a build up? And also how would the B21A1 compare to the B20A5? Just wondering what the differences are...

    Thanks
    Brandon
    :worthy:
     
  2. brian11to1

    brian11to1 Senior Member

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    Often referred to as the Bastard B series. There really isnt an Aftermarket for those engines and they suck a lot of balls dude. Don't waste time nor money on that engines. And mind you nothing from any other b series will change over to the A5 or B21. Good luck finding an LS
     
  3. '90ShowCRX

    '90ShowCRX Junior Member

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    Well, i mean I was going to do just a "Super Stock" type build up with this motor, because it is being given too me... just a though...if anyone has ne idea on this...it would be much appreciative...

    Thanks
    Brandon
     
  4. Slammed90Lude

    Slammed90Lude Senior Member

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    yeah dude, i had a 90 prelude with the B20A5 motor- other than an intake and headers, most other aftermarket shit will either have to be modified or custom made- The transmissions are notoriously weak and the motors don't respond well to tuning at all- A boosted setup is almost worth the money, but for the price of custom parts and tuning, you're better off boosting an LS or other motor- i wouldn't either bother wasting your time with these motors
     
  5. JDMilan

    JDMilan Senior Member

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    like the boys said........86 the idea.
     
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