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BNR went to the track today to test some prototype parts on the 3200LB Sonic (Yes you read that right, it weighs as much as a Cruze). Just broke the 1.4T 1/4 mile world record for both ET and MPH. #BNRMAFIA#BNRSKUNKWORKS

 

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At least give us a hint or run down. Even if we can’t have it, yet.


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2014 Cruze Diesel, 2007 Cobalt, 1981 Camaro Z28, 2017 Volt
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And, you forgot about that secret squirrel hood scoop. That probably weighs 10 pounds. Ram Air, baby! Did it break the record towing the trailer? Because that would be a feat!

Is it an Auto!?


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That's got to be, what, like 325hp to run a 13.4? A 350HP C5 vette weighs around the same, and ran mid 13's, right? Minus some for the lack of drivetrain loss from a R&P...

What's done to this one?

Mike
 

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Discussion Starter · #12 ·
That's got to be, what, like 325hp to run a 13.4? A 350HP C5 vette weighs around the same, and ran mid 13's, right? Minus some for the lack of drivetrain loss from a R&P...

What's done to this one?

Mike

For the weight, to go a 13.4 it would take 257WHP, which is about where this car should be based on the airflow at the MAF.
 

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For the weight, to go a 13.4 it would take 257WHP, which is about where this car should be based on the airflow at the MAF.
I guess I was thinking a stock C5 ran like 13.5, but looks like they run like 13-flat, with 345hp crank / 300ish WHP, and 3200lbs curb weight.

The 3200lbs, is that going down the strip, like with you in it? Or that's curb weight? i.e. A 3200lbs curb weight corvette is really 3400lbs with a driver in it, etc.

So at 257whp, with a ~12% adder, you're at around 290-ish bhp out of a 140hp 1/4L.

My question is, what's done to it? Bigger turbo? how many PSI? I'd assume your LS coils? E85? FMIC? Stock bottom end? Cams? Port work?

Thanks,
Mike
 

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Confused on the curb weight, but that doesn't reduce from how impressive that is on a 1.4T.

Sonic LTZ curb weight is 2900 pounds. I'm guessing driver and full tank are what make up the rest. So, still a lot lighter than a Cruze. A Cruze Gen1 starts at 3000 pounds for the Eco, which has a ton of weight shaving measures, and the other trims will clear 3200 pounds loaded.
 
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