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Badass 1971 Corvette C3 Convertible Sports New ZR1 6.2-liter Supercharged V8

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Patterned after the "Mako Shark II" concept and produced from 1968 to 1982, the third generation of Chevy's iconic sports car series has by far the most aggressive and over-the-top design of all Corvettes. And at least up unit the 1973 oil crisis, it had the power to match its brawny looks.

But for an owner of a 1971 Corvette Convertible, the stock V8 wasn't enough so he fitted the open-top model with GM's LS9 crate motor, which is the same 6.2-liter supercharged V8 found in the most powerful series production Corvette of all time, the ZR1.

GM states that the crate engine delivers 638-horses at 6,500 rpm and a peak torque of 604 lb.-ft. at 3,800 rpm. The owner of the car said it made 536 rear-wheel-horsepower through an automatic transmission.

The C3 Convertible was built by Fastlane in Houston and also features upgraded brakes and suspension, along with power seats sourced from the ZR1. A cool touch is the ZR1-like window on the hood that allows the intercooler to be viewable from the outside.


LS9 specs

Displacement: 6.2L (376 cubic inches)
Bore x stroke: 4.125 x 3.620 inches
Crankshaft: forged steel
Connecting rods: forged titanium
Cylinder heads: roto-cast aluminum
Valves: 2.16-inch titanium, intake; 1.59-inch sodium-filled, exhaust
Induction: supercharged
Compression ratio: 9.1:1
Horsepower: 638 @ 6,500 rpm
Torque: 604 lb.-ft. @ 3,800 rpm


VIDEO

6 Comments:

Bluetheimpala said... »January 27, 2012

This is pretty badass...I had to let off the gas a bit because what I find disgusting and the exact opposite of badass are the plexi-glass window showing the engine and, even worse, the cheesy stick on badging and chrome.

When the dudes were sitting around, slamming back a few beers after cramming this monster V8 into a classic Vet, what douchebag thought it would be a good idea to desecrate this angelic sheetmetal.  That person needed to be slapped.  Not beat up. Just one, solid, swift THWACK across the cheek. Maybe a little tear starts to form. He knows what he did.  He'll thank you later.

Pete Moss said... »January 27, 2012

Great job,,,,,,ignore blewtheimp.....he's full of himself.

Beer Crammer said... »January 27, 2012

"...it would be a good idea to desecrate this angelic sheetmetal."
Sorry Blueballs, that's fiberglass bodywork.

kachuks said... »January 27, 2012

Why can't any of these HT Vette guys ever take it to the track?

Blarg! said... »January 28, 2012

I say good for them! Take out that anemic iron block piece of trash and use it for a door stop.

ANY LS block would be a perfect replacement for the garbage SBC. Tradition be damned!

James said... »January 28, 2012

I'll bet this costed less than 100k and I would much rather have this than a ZR1. Good job again HTC

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