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Trying to figure out what size pulley

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Old 06-30-2012, 10:01 AM
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Default Trying to figure out what size pulley

Whats the best way to figure out what size pulley will generate how much boost on a given setup? I'm looking for 2 more pounds out of my setup,but not sure where to start.
Old 06-30-2012, 10:21 AM
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Originally Posted by whiteboycntdnce
Whats the best way to figure out what size pulley will generate how much boost on a given setup? I'm looking for 2 more pounds out of my setup,but not sure where to start.
I am on a 347 F1c. What pulley you using to make 14lbs. Mine is coming with a 3.55 and a 4.2
Old 06-30-2012, 01:27 PM
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On my 408 I'm running a 7.25" crank pulley with a 4" blower pulley. It made 15 pounds with my smaller exhaust setup
Old 06-30-2012, 01:53 PM
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You'll probably need to step down to a 3.70. How's the car doing?
Old 06-30-2012, 02:21 PM
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Originally Posted by whiteboycntdnce
Whats the best way to figure out what size pulley will generate how much boost on a given setup? I'm looking for 2 more pounds out of my setup,but not sure where to start.
What air filter are you using? If you're using the standard ProCharger filter you'll pick up boost by going to a larger one. Bob
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Old 06-30-2012, 06:29 PM
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The car has been a huge pain in my *** for the past year... But I'm finally starting to see the light at the end of the tunnel (I hope)

Bob- It's a custom K&N filter setup
Old 07-01-2012, 06:58 AM
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Originally Posted by whiteboycntdnce
The car has been a huge pain in my *** for the past year... But I'm finally starting to see the light at the end of the tunnel (I hope)

Bob- It's a custom K&N filter setup
Good deal! Bob
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