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\r\n 1993 Rx7 R1 20b NA
\r\n1994 Rx7 20b supercharged project
\r\n1991 BMW 850 6 speed
\r\n1991 BMW E30 M3 Evo II\r\n
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\r\n \'90 GTUs
\r\nStay up to date with my photography
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\r\n\'10 Toyota Prius
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\r\n\r\n\r\n\r\n'; // next/previous post info pn[139305] = "167643,139777"; pn[0] = ",139305"; pn[139777] = "139305,139779"; pn[139779] = "139777,139807"; pn[139807] = "139779,139816"; pn[139816] = "139807,139820"; pn[139820] = "139816,139835"; pn[139835] = "139820,139842"; pn[139842] = "139835,139930"; pn[139930] = "139842,139940"; pn[139940] = "139930,140008"; pn[140008] = "139940,140056"; pn[140056] = "140008,140279"; pn[140279] = "140056,143043"; pn[143043] = "140279,143068"; pn[143068] = "143043,143090"; pn[143090] = "143068,143737"; pn[143737] = "143090,143743"; pn[143743] = "143737,143745"; pn[143745] = "143743,143903"; pn[143903] = "143745,143935"; pn[143935] = "143903,143991"; pn[143991] = "143935,144000"; pn[144000] = "143991,144033"; pn[144033] = "144000,144038"; pn[144038] = "144033,144049"; pn[144049] = "144038,144161"; pn[144161] = "144049,144262"; pn[144262] = "144161,144579"; pn[144579] = "144262,144701"; pn[144701] = "144579,167643"; pn[167643] = "144701,139305"; // cached usernames pu[0] = guestphrase; pu[598] = "gmonsen"; pu[468] = "TitaniumTT"; pu[14] = "djmtsu"; pu[3064] = "project86"; pu[4560] = "fbRXse7en"; pu[1515] = "diabolical1"; pu[3811] = "chibikougan"; pu[3751] = "helghast7"; // -->
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Old 02-05-2011, 09:57 PM   #1
gmonsen
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Default New 20b NA Headers by Defined Autoworks
Logan Defined Autoworks has made a new set of headers for me. These are an advance on his last 20b NA headers and is an example of the headers he is now building for testing and sale. These new headers were developed based on extensive testing and iterative redesign, but these are a newer design. We are going to do some testing on the dyno next week and will be able to show just how much power they add over a very good set of equal length headers I had on the car. I can't wait for the next few weeks dyno testing of both the new headers and the new intake plenum and runners. Logan Carswell and David Barninger (KD Rotary) will do the testing and we're thinking of videoing the sessions.

The headers are part of a significant upgrade of my entire exhaust system (as well as the air and fuel intake system). In addition to the headers, Dave Barninger is building a 3-way exhaust system that adds pipes as revs increase, and a new through bumper dual exhaust that is in my projects thread in the 3rd gen section.

Gordon

Old Headers
Here are a few pictures of my old headers, which were very nicely done.




New Headers
Its hard to figure out which to show first. I didn't have a lot of build pictures, so I think I will just show the headers off by themselves as completed. They have not yet been ceramic coated.









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