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577 rwhp NA ECSB

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Old 05-04-2019, 02:03 AM
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Default 577 rwhp NA ECSB
414 ci on E85, PRC 260s, holley hi ram, CR 11:1, 1 7/8" headers making almost 580 @7600 rpm ! Truck ran an 11.4 at 119 before at 530rwhp @ 5300lb race weight. Hopefully it can get in the 10s now with some weight reduction and the newfound power! I think this is the strongest NA truck I've done yet.

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Old 05-04-2019, 07:53 AM
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Badass
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Old 05-04-2019, 09:00 AM
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Imagine that motor in a 28-3200 lb. car.
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Old 05-05-2019, 01:40 AM
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Awesome results as always. Curious what changed between the runs that dip at 104mph to those that stay flat above that? Thanks.
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Old 05-06-2019, 03:13 PM
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Nice numbers man I bet that thing is a beast.
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Old 06-07-2019, 06:34 AM
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Wow that's great. Very impressive. Now i need something like that in my envoy Denali
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Old 06-07-2019, 07:46 AM
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Shoulda bumped that CR running E. Must be a fun ride.
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Old 06-07-2019, 08:53 AM
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Originally Posted by ddnspider
Shoulda bumped that CR running E. Must be a fun ride.
True that would be a fun daily. And agree I run over 11:1 with twins.
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Old 06-07-2019, 11:07 AM
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Do you have a dyno sheet showing the torque figures?
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Old 06-07-2019, 05:50 PM
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Detail on valvetrain? Strong results!
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Old 06-09-2019, 04:25 PM
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Looks great!
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