Rotrex C30-94 or C38-61 - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 11-05-2015, 03:53 PM   #21
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Old 11-05-2015, 07:54 PM   #22
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Quote:
Originally Posted by arildh View Post
Not overkill. 1.2 bar at redline. Need cams and headwork.
Rotrex C38-61 on a 2004 Mazdaspeed Miata - YouTube
Any idea of the whp in this video?
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Old 11-06-2015, 03:51 AM   #23
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Not really. 18 deg timing on top, 11.7 AFR, IAT +30C from ambient. Wiseco 9:1 pistons.
I had it setup with a waste gate to bleed off boost but never needed it. It was comparable to my 3071 setup above 6K but hard to tell when bost (and tq) follows the rpm. Maybe 300whp ?


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