1970 Dodge Challenger R/T 440 6 Pack vs 1968 Plymouth GTX
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A 1970 Dodge Challenger R/T 440 6 Pack a 1968 Plymouth GTX with a 440 Magnum in a quarter mile drag race for fellow Mopar enthusiasts @MarspeedCars  @ocmotivator    @RacerX9    @Knockout360   @RaitisRides @bmasontv @RTLife @HemiMuscle

Both cars are competing in the Pure Stock Drags, so modifications are very limited. The only modifications permitted are minor porting, blue printing and minor weight reduction without altering the stock appearance. Camshafts and compression ratio have to be within a small percentage of stock specs. That means stock intake manifold, stock exhaust manifolds and street tires (See more below).

The V-code 1970 Challenger in the video is extremely rare as only 1640 were built as it is powered by Mopar's potent 440 6 Pack with has three (3) two (2) barrel carburetors. The 440 Six Pack was rated at 390 horsepower and 490nlb-ft of torque. This particular 1970 Challenger R/T has a Torque Flight 3 speed automatic transmission and 4.10 Sure Grip rear end.

The 1968 GTX in the other lane is powered by Plymouth's 440 cubic inch Magnum engine which rated at 375 horsepower and 480 lb-ft. This particular 1968 440 GTX has a Torque Flight 3 speed automatic transmission and 3.23 Sure Grip rear end.

440 Magnum vs 440 Six Pack- Which WINs?

Watch the video and see what happens.

Comment below - Tell us what you think and which car you'd rather own after watching the video...

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According to their Facebook Page, the Rules for the Pure Drags are:

The class is limited to cars produced between 1955 to 1979 built in both United States and Canadian assembly plants The cars had to come with a minimum of 12 months and 12,000 mile warranty from the manufacturer.

Any car running faster than 11.50 will be disqualified and will not have a qualifying time recorded. Any convertible running faster than 13.50 will be disqualified and will not have a qualifying time recorded.

All casting numbers must be correct for the year and horsepower claimed including intake manifold, heads, and exhaust manifolds. Blocks do not have to be "numbers matching," but they must be the correct displacement. Overbores up to .070" are allowed. Stock cranks only.
All Engines – 1.5 extra points allowed over advertised.
The camshaft must be correct for the year, model, and horsepower claimed for the type of lifter (hydraulic or solid). Roller cams NOT allowed.
The valve train must be factory stock for the year, make, and horsepower claimed.
The ignition system must be stock, including the distributor, cap, coil, and wires. Points may be replaced with any electronic conversion that fits under the stock distributor cap.
The carburetor must be correct for the year, make, and horsepower claimed. Jetting and metering changes are permitted. THE CHOKE ASSEMBLY MUST BE IN PLACE AND FUNCTIONAL!
Cast-iron exhaust manifolds are mandatory and must be correct for the year, model, and horsepower claimed. Internal modifications to the exhaust manifolds are NOT allowed. Under no circumstances will headers be allowed, including those cars that came with headers delivered in the trunk. Pipes must be routed as they were originally for the year, make, model, and engine combination. Mufflers must be stock looking in design, that is, oval in shape. No glass-packs or straight pipes allowed unless installed as original equipment. Maximum muffler inlet and outlet size is 2.5 inches. X & H pipes allowed.
The radiator must be correct for the year, make, model, and horsepower claimed. No lightweight, aluminum radiators allowed.
The camshaft must be correct for the year, model, and horsepower claimed for the type of lifter (hydraulic or solid). Roller cams NOT allowed. Duration at .050" lobe lift must be within 1% of factory specs. Lift at the valve must be within 2% of factory specs. Maximum stall limited to 2200 rpm.
The transmission must be correct for year, make, model and engine of the car. 3-speed manuals may be upgraded to the correct 4-speed if originally available.
The rear axle must be of the same manufacturer as came with the car. Any gear ratio is allowed.
Reproduction tires or radial tires only, and you are allowed to run tires one size over stock.
Factory wheels only.

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