Quote:
Originally Posted by Mr.Squeeze
You probably didn't have a problem because your still on the stock impeller that comes with the blower . It flows less CFM that the SI upgrade from vortech and 928 impeller . What are your numbers I would love to see a graph .Also are you using the same cog combo I used ?
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yes same cogs, 391whp/308tq on a very conservative mustang dyno.