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I saw this on another site. The car is a 2013 or so ZL1. Is it possible this guy is making that horsepower with those mods? LMBO.

Jacob White …. unless you come across a tuned ZL1.

Mine has a 26% under drive supercharger/10% overdrive crank pulley set, 11lbs boost, Kooks long tube headers and an E85 reprogram….. for 821hp reaching the pavement, (probably close to a 1000hp at the crank).

I’ll play….
 

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11psi on basically a pulley, headers and ethanol?

Unless there are details missing- like heads and turbo - I think the dyno is off.

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That would be an LSA motor same as a 2nd gen V, No way is he making that with the listed mods.
 

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Lol he is making max of 600whp with those mods.

Probably less honestly.


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Lol he is making max of 600whp with those mods.

Probably less honestly.


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Freud, is that you?
-comma comedian-
 

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I'm thinking 1000HP at the crank would pretzel the drive line pretty quick. But doubling the HP with bolt-ons? Seems an implausible and ill-considered goal. GM would have to be building engines and drivelines with enough operating margin to survive a ~100% increase in power, and for all their many faults, GM engineers aren't that stupid.
 

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When I called him on it he said “why would I tell you everything that’s done to it”. I said man I don’t even know you
Tell him to stop stuffing his briefs, and pull that gigantic supercharged sticker off his windshield it’s embarrassing……
 

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I'm thinking 1000HP at the crank would pretzel the drive line pretty quick. But doubling the HP with bolt-ons? Seems an implausible and ill-considered goal. GM would have to be building engines and drivelines with enough operating margin to survive a ~100% increase in power, and for all their many faults, GM engineers aren't that stupid.
Not on the street, you'll just spin the tires. On a well prepped track with a proper tire, the power will find the weakest link in the drivetrain.
 

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My 06 M6 GTO put down 353 on 92 and 361 on E85. Only thing done was the ethanol sensor and enabling all of it.
Then came the BTR PDS stage 3 torque cam, Kooks longtubes, 3" Magnaflow cat back, LSA running 8.5psi boost, BoostDistrict CAI with LS7 MAF, and a full conservative tune as it's my daily. 576 on 92 and 610 on E-85.
No way if he's only done external mods and a tune he's making that power
 
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