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Who is running over 10 pounds of boost on stock bottom end?

   
Old 04-22-2013, 03:30 PM
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slickman
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Default Has anyone ever gone from a 3.25 to a 3.00 pulley?
What gains dod you see going from a 3 1/4 to a 3 inch pulley on an E-Force?
Last edited by slickman; 04-22-2013 at 03:39 PM.
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Old 04-22-2013, 04:46 PM
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jpplaw
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I made 474 rwhp and 434 rwtq with an eforce 3.5 pulley, kooks, and detroit rocker cams on the stock bottom end. I never dyno'ed her with the 3.25. The 3.25 made me too nervous so I didn't run it very long.
I would not even chance the 3.0 pulley with the stock rods.

Not really a comparison - I do not have a stock bottom end anymore (plus I added 45 cid & ported FRPP Stage 1 heads) but I picked up around 100 rwhp & 150 rwtq using a 2.75 pulley (and still on the edelbrock 41lb inj).
Last edited by jpplaw; 04-22-2013 at 04:49 PM.
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Old 04-22-2013, 05:16 PM
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slickman
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I picked up a 3 inch pulley for $30. Just wondering how much it would Add over what i have now which is a 3.25
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Old 04-22-2013, 07:54 PM
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A 3.0 pulley would probably add 20-25 rwhp
Last edited by jpplaw; 04-22-2013 at 07:58 PM.
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Old 04-22-2013, 08:01 PM
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2005Redfire6
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Old 04-22-2013, 08:22 PM
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Diabolical!
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Originally Posted by slickman
Who is running over 10 lbs of boost on a stock bottom end?
This guy.
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Old 04-22-2013, 08:33 PM
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2005Redfire6
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Originally Posted by Diabolical!
This guy.
I must admit if you are who I'm thinking of you are making over 500rwhp on the stock bottom end, I am surprised you haven't popped it.
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Old 04-22-2013, 09:06 PM
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slickman
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Originally Posted by Diabolical!
This guy.
Lol.....
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Old 04-23-2013, 03:45 AM
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07 GT E UPP
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And me ( 11 PSI - 3.25" ) for past 4 1/2 years !!
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Old 04-23-2013, 05:35 AM
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slickman
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Originally Posted by 07 GT E UPP
And me ( 11 PSI - 3.25" ) for past 4 1/2 years !!
Those are some impressive numbers (538 RWHP/498 RWTQ).. what dyno was that done on?
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