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    Choices

    After cruising through my favorite wrecking yard, I found a 92 miata 1.6 (large nose crank) and they have recently recieved a merc capri xr2 with a complete 1.6 with bouts 117k on it. Not sure as to the mileage on the miata. I understand the work involved and extra parts needed to make the miata engine work, so work aside, which engine would be a better swap for my 88 323 hb se? Opinions wanted. Thanks.

    #2
    If you're going the forced-induction route, I'd grab everything I could from the Capri XR2. Then I'd have the motor rebuilt with higher compression pistons from the Miata. I haven't heard anything definitive about what year/VIN number that the Capri started using the large-nose crank, so I'd check that out first.

    Hell, grab both and sell what you don't need/want.

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      #3
      Both bottom ends are about the same besides the slight difference in compression. The large nose miata engine would be better but will require a fwd head, oil pan and other small stuff. Turbo would be more fun though. Pretty sure that the Capri was a smalll nose crank.

      Choice is yours really if u want turbo or not, both swaps will be equaly as hard cause u are either converting rwd to fwd or adding a turbo system to a car that never had one.
      "See that car, in the 80's that car was deadly." Random man to his son while passing the GTX in a parking lot

      Originally posted by neuspeedescort
      the proper spelling would be "Launchabilitiness" i do believe.
      -88' Mazda 323 GTX, 1.8t, Modified Magazine May 2012
      -88' Mazda 323 GTX, caged and ready for dirt
      -93' Mazda Miata, half caged
      -09' Mercedes C63 AMG
      -87' Toyota Land Cruiser, 33's with slight lift, safari style!

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        #4
        remember that the XR2 came with the BP/B6 weak rods.

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          #5
          Easiest is just grab the xr2 drivetrain and suspension it'll bolt right into your 323. Best would be the xr2 stuff with miata short block.
          12 cbr250r: daily ride
          01 saab 9-3: daily
          98 gsxr 1100: for sale
          93L: money pit/ space waster
          92GL: low and slow beater
          90?: the rust free shell
          89LX: swapping to rust free shell
          89L: for sale
          89L: parts
          87 conquest: dohc 4g64 swap underway
          76+80 vw dashers: for sale

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            #6
            The revised B6T rods in the Miata / XR2 work fine with boost. If you have big, spendy plans for your car, then your best bet (read: expensive) would be to get some quality rods from Carillo, Pauter, Wiseco, et. al. from some shop like Flyin' Miata.

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              #7
              Originally posted by trailrider098 View Post
              Both bottom ends are about the same besides the slight difference in compression. The large nose miata engine would be better but will require a fwd head, oil pan and other small stuff. Turbo would be more fun though. Pretty sure that the Capri was a smalll nose crank.

              Choice is yours really if u want turbo or not, both swaps will be equaly as hard cause u are either converting rwd to fwd or adding a turbo system to a car that never had one.

              The capri changed over to the large crank mid '90 production IIRC.

              The XR2 will have everything you need for turbo, grab the wire harness, ecu everything

              Might also be worth grabbing the disk brake rearend too
              1991 Capri XR2 "GTXR2" BPT AWD Bastardization/conversion
              1991 Isuzu Impulse RS Turbo AWD

              Creator of the B6T Rocketchip
              www.werbatfik.com

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                #8
                Did I mention the capri was an NA model?

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                  #9
                  Oh WTF would you want that? Just get a BP in that case

                  Comment


                    #10
                    Originally posted by MyHooker View Post
                    Did I mention the capri was an NA model?
                    No, you said it was an XR2. Either way, I'd go turbo! Go big!

                    Comment


                      #11
                      Originally posted by BFMRGTX View Post
                      No, you said it was an XR2. Either way, I'd go turbo! Go big!

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