1991 Mazda Eunos Roadster Turbo Build - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-14-2014, 07:50 AM   #1
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Default 1991 Mazda Eunos Roadster Turbo Build

Hi All, I'm Ben a 24 Year old Compressor Engineer From Auckland, New Zealand. I purchased a 1991 Mazda Roadster almost three years ago now with the intent on making it a 10 second quarter mile street legal roadster. I had taken my NA6 to the quarter mile before making any modifications so I could get an Idea of a before and after time (Basically the same as the Dieting photos Fat vs Skinny). In Stock form I managed a respectable 17.2. Since then I have been rather busy endeavoring to improve my roadster in all elements. Here are a couple of photo's of what I have done so far. I am aiming for 320Kw at the rear wheels, I have a lot questions and I'm open to constructive criticism.


The Day I purchased my roadster


First Drag racing outing


Replaced the NA6 Diff with a NA8 Cusco Two-way LSD


Stripped out the NA6 running gear


Dropped in my BP Dummy Block for Fabrication purposes


Stripped the Interior and Built a 6 point Rollcage for protection.


Turbo and Exhaust Manifold I fabricated


Along with the down pipe and full exhaust




Fully Built Cylinder Head 272 Kelford Cams, K20A COP's, Corksport cam gears


Custom designed Brake kit Machined by myself


Fitted and Tested to my friends Turbo NA6


And this is where I am currently up to on my build, Finishing the ITB plenum, intercooler pipping and prepping the frame for a total respray as after 23 years the paint isn't too shabby.
Attached Thumbnails
1991 Mazda Eunos Roadster Turbo Build-rohe1rdl.jpg   1991 Mazda Eunos Roadster Turbo Build-wo8ftqgl.jpg   1991 Mazda Eunos Roadster Turbo Build-8bnhgh7l.jpg   1991 Mazda Eunos Roadster Turbo Build-f8gz2p9l.jpg   1991 Mazda Eunos Roadster Turbo Build-pil3ggil.jpg  

1991 Mazda Eunos Roadster Turbo Build-ai3gokel.jpg   1991 Mazda Eunos Roadster Turbo Build-aigkvzql.jpg   1991 Mazda Eunos Roadster Turbo Build-nezvkzyl.jpg   1991 Mazda Eunos Roadster Turbo Build-enmla5al.jpg   1991 Mazda Eunos Roadster Turbo Build-hvseda5l.jpg  

1991 Mazda Eunos Roadster Turbo Build-hjbjud3l.jpg   1991 Mazda Eunos Roadster Turbo Build-0tjzesql.jpg   1991 Mazda Eunos Roadster Turbo Build-v6jvi1xl.jpg  
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Old 07-14-2014, 10:18 AM   #2
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Welcome.

Very cool progress so far, looks like its going to be serious.
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Old 07-14-2014, 10:41 AM   #3
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Awesome build ITT
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Old 07-14-2014, 11:31 PM   #4
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Welcome, REDBEN. Check out the Miata Gallery and post up some pics!
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Old 07-15-2014, 12:20 AM   #5
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There is not nearly enough fael in this thread. How are we supposed to keep entertained if you do everything right the first time?
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Old 07-15-2014, 12:24 AM   #6
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Quote:
Originally Posted by REDBEN View Post

.
I keep opening this thread for like the 3rd time just to see that beautiful slug peeking out from under there teehee
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Old 07-15-2014, 01:26 AM   #7
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Haha trust me I have been down the "learn the hard way" road before with other builds so this one may take longer but at least I know I have built this one to last and preform. However at 450HP that is still a big ask from a 1.8L.
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Old 07-15-2014, 07:20 AM   #8
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