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2g head on a 6 bolt block vs 1g head

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Beanokid69

15+ Year Contributor
358
0
Oct 7, 2003
San Jose, California
Like the title says what do you guys think is better? The airflow of the 1g or the efficiency of the 2g head? I'm talking on a 400+hp application too
 
Gt4088...thanks for the topic post Btw ill look into it
 
Exactly why I asked it :) I wanted to hear from both sides of the coin... I already have a ported 2g head running right now but in the past have always ran with 1gs
 
It's impossible to answer your question without more specific information. In some cases a 2g head is king, others the 1g is king. Depends on stroke, compression, cams, street or race, type of competition, boost/turbo, car weight, etc. Your question as worded is too vague.
 
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