Quote:
Originally Posted by AKRA
If you are planning more than 10 psi I would recomend a forged rotating assembly. Otherwise 3.4 pulley is the most I would go. I know people that have done the 3.2 pulley on the stock bottom end but that is pushing your luck.
Also at anything above 450 rw.hp you will need either a boost a pump or a dual pump or you will be running lean on the top end.
Good luck,
Al
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I was told the 2.8 pulley might be pushing your luck, but 3.2 or 3.4 pulley is fine with a safe tune from JDM or Brenspeed.....
I'm running a 3.2 pulley dual pumps and E-car Extreme air kit, with no problems whatsoever..but I DO add a small mix of 107 octane to 93 octane to eliminate detonation issues....