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b6 miata head on b6t?

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  • b6 miata head on b6t?

    Will a b6 miata head directly swap and work onto a b6t from a 92 xr2 capri?

    Im having trouble sourcing a running b6t head from an xr2 or gtx
    -93' Festiva L (B6T swap in progress)
    -92' XR2 Capri (Parts car)

  • #2
    There's one at the local junkyard. Price for a head is $65, so with shipping and my time you'll be in for about $125

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    • #3
      I can go pull it sometime next week for you, if you'd like. I can also source any other parts you need at cost + shipping and time.

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      • #4
        Gonna call the yard tomorrow to make sure it's still there and the condition, and I'll pull it sometime either Saturday or next week when I get a chance to drop my kid off somewhere (can't take a 3 year old to the junkyard. :/ )

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        • #5
          yes it will work

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          • #6
            It will work but you will need to stick a freezeplug in the Miata t-stat water port, the Miata routes coolant thru the t-belt portion of the head
            1991 Mercury Capri XR2 "GTXR2" BPT Swapped AWD Conversion

            Rocketchips!
            High Flow B3/B6/BP VAF Adapters for sale!
            Bolt-on Weber Carb Adapters!

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            • #7
              Do you plan on swapping the intake? if not you will be in trouble! the b6t has the injectors bungs in intake, the miata head has the injector bungs in the head, so you would need a intake, the miata intake wont fit and will hit the strut tower. you could try and source a mx3 intake which will work.

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              • #8
                You could grab the head off a N/A Capri. I have a b6t head from my b6t that failed but everything looks okay,I don't know why it failed.
                91 Festiva BP Autocross/Track/Rallycross hopeful
                14 C7 Z51

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                • #9
                  As of now I have 2 options lined up if neither comes through, I would probably be interested in what you're talking about Grey Vw
                  -93' Festiva L (B6T swap in progress)
                  -92' XR2 Capri (Parts car)

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                  • #10
                    Originally posted by Hot_Wheels View Post
                    Do you plan on swapping the intake? if not you will be in trouble! the b6t has the injectors bungs in intake, the miata head has the injector bungs in the head, so you would need a intake, the miata intake wont fit and will hit the strut tower. you could try and source a mx3 intake which will work.
                    The 1.6 Miata has the injectors in the manifold, too. The 1.8L miata has the injectors in the head, like the other BP's.
                    1991 Mercury Capri XR2 "GTXR2" BPT Swapped AWD Conversion

                    Rocketchips!
                    High Flow B3/B6/BP VAF Adapters for sale!
                    Bolt-on Weber Carb Adapters!

                    Comment


                    • #11
                      My b6t has a Miata Head, and block, and pistons. It's all the same stuff (except the pistons give a little more squeeze and the cams have more overlap). 1 freeze plug and your good to go. Also, the Valve springs are different on a Miata and they have lighter valves too. It all interchanges though.
                      Driving for me is neither a right nor a privilege. Driving is my passion, as it was for the people who invented the automobile, the people who paved the first roads and the people who continue to improve the automobile. Please respect this passion.

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                      • #12
                        awesome, thank you all for the information.
                        I found a full assembly b6 head on miataturbo.net for 120 shipped
                        definitely my 2nd favorite forum site under FF.com of course
                        -93' Festiva L (B6T swap in progress)
                        -92' XR2 Capri (Parts car)

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                        • #13
                          What size of freeze plug did you guys use for the t-stat housing? I measured the hole and it has a 1 3/16" ID and I can't find any plugs that size.
                          -93' Festiva L (B6T swap in progress)
                          -92' XR2 Capri (Parts car)

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                          • #14
                            try looking for a 30mm.
                            Jim DeAngelis

                            kittens give Morbo gas!!



                            Bright Blue 93 GL (1.6 8v, 5spd) (Hula-Baloo)
                            Performance Red 94 Aspire SE (Stimpson)

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                            • #15
                              I also need new valve cover grommets, is there any alternative or should I just order new grommets?
                              -93' Festiva L (B6T swap in progress)
                              -92' XR2 Capri (Parts car)

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