rb30 turbo vs rb20 / 25
30 May 2007Quote: Originally Posted by 6BOOST This is from an age old myth that the 1j head flows more air than the 2j head, which it doesn't. The 1J head flows around 210-215cfm inlet stock, and the 2J flows …
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Quote: Originally Posted by 6BOOST This is from an age old myth that the 1j head flows more air than the 2j head, which it doesn't. The 1J head flows around 210-215cfm inlet stock, and the 2J flows …
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