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a6 intake swap better than a1?

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    #1

    a6 intake swap better than a1?

    I have two donor cars from a friend and I read the 30 hp for 500 thread but was wondering if the a6 intake was better than the a1 bc of the "black box" and larger plenums. I have a a4 and a6 donor so I'm taking the exhaust mani from the a4 and head, ecu and possibly Im from the a6 thanks in advance!
    Tags: None
    #2
    Yes, the A6 intake manifold is better, due to the larger plenum and IAB system. If you read that thread, that should have been obvious.
    The A4 exhaust manifold is better, though the A6 exhaust manifold may be just as good, even though it is cast iron. It has never been tested. Both are better than the A1 design, though.

    Are you saying you're going to take the A4's head? All F22A heads are identical, so there is no need to do that, other than to have a spare (having it modified with a good port and polish can provide some nice gains.)






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      #3
      Originally posted by deevergote View Post
      Yes, the A6 intake manifold is better, due to the larger plenum and IAB system. If you read that thread, that should have been obvious.
      The A4 exhaust manifold is better, though the A6 exhaust manifold may be just as good, even though it is cast iron. It has never been tested. Both are better than the A1 design, though.

      Are you saying you're going to take the A4's head? All F22A heads are identical, so there is no need to do that, other than to have a spare (having it modified with a good port and polish can provide some nice gains.)
      I want the a6 head bc of the cam and I have a bent valve in my current a 1 head so I could just swap them out right?

      Edit: just to clarify the a4 intake is better than the a6?
      Last edited by esseyeguy; 09-16-2011, 12:12 PM.

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        #4
        Originally posted by esseyeguy View Post
        I want the a6 head bc of the cam and I have a bent valve in my current a 1 head so I could just swap them out right?
        Correct.

        02 Crv
        02 silverado Ex cab Z71, 2011 TRD 17" wheels, 245/80/17, ls1 cam, AFE intake, 3" catback, tuned by Larry at LSXperformance&pcm tuning driven daily.
        92 Acura Legend colbalt blue LS Coupe, custom intake, custom vibrant 2.5 cat back, led cluster and high beams, 2016 Coyote GT 18x8 wheels 235/40/18.
        Coming Soon Tein TSX coilovers.

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          #5
          No need for this post bro everything you said is correct and seems you read the 30 HP famous thread right, so your all set good start for your cb7 having two other cb7s to combine...now just remember the black box, and don't forget once your a6 manifold is off try cleaning it bro.


          Deevergote: nah brother he said "the a4 manifold from the head"


          Originally posted by deevergote
          .......If they seem smart, and just trying to learn, I'll offer as much help as possible. If they seem stupid and lazy, I'll do my best to piss them off so they leave and never come back... while still answering the question.

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            #6
            I will def be cleaning it up thanks guys always helpfull

            Comment

              #7
              The A4 and A1 are identical in every way other than the exhaust manifold. Every other part is exactly the same between the two.

              And yes, if your current head has damage, then you could take the head from the A6 and use that. The block and head castings are the same throughout the F22A series. The only differences are the parts bolted to them.






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