[Cobra1234]

Hello out there, can anyone help me....?? Im am currently running the stock eatons with a 2.75 pulley upgrade,and all possible bolt on upgrades with an edition of a wet nitrous system with a 75 shot spray with the dual custom tune on a flip swicth on my 2003 SVT Cobra. Last dyno numbers were 490 RWHP. I need to upgrade my stock injectors to 60# and add a Kemmy Bell boost a pump, it is leaning out at peak boost....Does anyone out there know if I changed my lower crank pully to the Metco 6LB lower crank, can I pull more boost from the blower without engine damage.....

[dakine858]

Originally Posted by Cobra1234

Hello out there, can anyone help me....?? Im am currently running the stock eatons with a 2.75 pulley upgrade,and all possible bolt on upgrades with an edition of a wet nitrous system with a 75 shot spray with the dual custom tune on a flip swicth on my 2003 SVT Cobra. Last dyno numbers were 490 RWHP. I need to upgrade my stock injectors to 60# and add a Kemmy Bell boost a pump, it is leaning out at peak boost....Does anyone out there know if I changed my lower crank pully to the Metco 6LB lower crank, can I pull more boost from the blower without engine damage.....

You won't pull more boost with the Metco and as a side note, never use underdrive pulleys when your running a super charger.

[Cobrals1eater]

You may make a small amount of boost but imo, why, due to the fact that spinning the eaton faster is going to make more heat which as you know is a step back even with a small shot of gas to cool it off. With the 2.75 pulley, I wouldn't spin it any harder than what you are doing now.