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1979 Mazda RX-7 Electric 1/4 mile Drag Racing trap speed 0-60

More Info: Extended Warranty, Car Loans, Car insurance and Lemon Laws for your Mazda RX-7 Electric

1/4 Mile ET: 11.039
1/4 Mile MPH: 111.800
1/8 Mile ET: 6.830
1/8 Mile MPH: 98.290
0-60 Foot ET: 1.609
VBOX 60-130 MPH:
Standing 1 Mile MPH:
Temperature F: 0.0
Density Altitude (DA): DA Calculator
Timeslip Scan:
VBOX Graph:
VBOX 60-130 MPH:
VBOX Graph:
Car Make: Mazda
Car Model: RX-7
Car Type: Electric
Car Year: 1979
Driver: Roderick
E-Mail: Click HERE
Videos: RX-7 Videos
Web Site:

Horsepower @ wheels:

Click HERE to estimate

Torque @ wheels: 0.00
Dyno Type:
Dyno Graph:
Classifieds: RX-7 For Sale
Parts: RX-7 Parts

Click on picture for a larger version

 1979 Mazda RX-7 Electric


RX-7 Videos

Number of Votes: 4067 

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More Comments:

(Tom Carter)
Did I read your entry correctly? How did you runn an 11 second 1/4 mile with only 42 HP? Or is that a typo?

(Roderick Wilde)
In answer to Tom, electric motors are rated at continuous duty HP and gas engines are rated at peak HP. Of course I modified the motors some to handle the extreme amps and volts We run well over 300,000 watts which is well over 300 HP using HP caculators from drag race sites using actual ET, weight and ratios, etc.

(Tom Carter)
Oh, so what is the peak HP for this car? Is it 300 HP? Cool car BTW! I had no idea an electric car could be so fast

How does one use two controllers per motor? Is there any series/parallel switching?

(J J)
So I am assuming also the car is very lightweight. Much has been shaved off this vehicle including the heavy motor and tranny/unnecessary stuff/etc?

(Roderick Wilde)
In answer to Aaron, We have run as many as four controllers using the "brains" from one to operate the others. We now have extremely high powered, advanced 2/3 megawatt controllers such as the "Zillas" which can be programmed to perform series/parralel shifting of two motors. It funtions like an electronic two speed

Really cool car Roderick... Wish it was here for us to take a ride :) Hope all is well.

(Ronald Beer)
how much does the car weigh? im just wondering waht weight reduction has been used.??

two thumbs up for electrics

(mike regan)
Weight is important to any engineer, trying to get the best srtength-to-weight ratios; but for a car, the question is one of power-to weight ratio, for fastest take-off. Electrics can have big power, but also big weight comes with more batteries. At certain ratios, this can be an asset, providing extra traction.

Electric motors can be very powerful. We are currently designing a 400hp, 866 lb-ft electric motor for the Army's Humvee. We also have a 1,500 hp motor. Check out our old website: www.Electrodynamics.net

In answer to people questioning about weight, actually they are not THAT light. Most electrics run 400-1000lbs of batteries.

That is a really impressive car you built. Truely amazing nice work~

where can I get the electric engine that can be up to 1500HP itself so I can buy one for new personal vehicle ? Thank for your help, I am fan of your fan. wait till you see me in new different race, not drag race like yours . it totally different I promise you will love it as much as I love your drag race mon! Just point me to right place to get electric engine that have 1500 and give me advice what to get to go with it and what to watch out for , thank you again.

whatsi the gas to electric conversion? 2hp:1, 3 to1, 4 to 1.

Engine: None
Turbos: None
Supercharger: None
Boost Control: None
Boost Pressure (psi): None
Intercooler: None
Nitrous Kit/System: None
Nitrous Shot: None
Pistons (rotors): None
Port: None
Rings (seals): None
Heads: None
Connecting Rods: None
Camshaft: None
Throttle Body:
Intake & Air Filter: None
Headers / Downpipe: None


Exhaust: None
Carburetor: None

Computer ECU Chip Upgrade: 4 T-Rex Controllers
Battery: 72 Johnson Controls Inspiras, NLA
Ignition: None
Spark Plugs: None
Fuel Injectors:
Fuel Pump:
Gas: None
Pulley: None
Transmission: TCI Powerglide, no torque converter
Clutch/Torq Conv: None
Flywheel: None
Shifter: Hurst
Gears: 4.10
Wheels: Weld Draglites
Brake Rotors/Pads:
Tires Goodyear
Weight with driver (lbs): 0
Track: Bremerton Raceway, WA, USA
 Record Modified: May 24th, 2006

Additional parts, modifications, upgrades & information:
(0-60, weight, upgrades parts, etc...)
Running four strings of Johnson Controls Inspira batteries at 216 volts nominal through two 21 hp Advanced DC electric motors mounted end to end coupled to a TCI Powerglide with no torque converter. 1968 Dodge 8-3/4 rear end running a Moser Spool and axles. Reinforced four link, heavy duty rear sway bar, air bags and adjustable rear shocks.Brakes are Aerospace Engineering discs on front and Wilwood on the rear. Goodyear tires on Weld Wheels.

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