'Cuda vs Hellcat Sound Wars - Page 2 - Dodge Challenger Forum: Challenger & SRT8 Forums
SRT Hellcat 6.2L Supercharged (2015 - ) Would you like the BLACK KEY or the RED KEY?

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post #11 of 50 (permalink) Old 06-08-2018, 05:47 PM
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Check out the exhaust sound on this 340 'Cuda. Music to my ears!


1970 Plymouth Cuda Exhaust Black Widow - YouTube
Yeah that's the sound. Gulp air through a carb and exit it through headers and a free flow exhaust......with no extra frills or attempts to clean anything up in the way of sound or emissions.

No new car sound this good unless it's been made pretty much illegal for use on the street. You could get this out of a new car.......but it's gonna require a really big cam and off road exhaust with no cats and steel long tube headers.
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post #12 of 50 (permalink) Old 06-09-2018, 03:14 AM Thread Starter
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The 340 also had a "rasp" to the exhaust note right after the driver let off the gas pedal. He was simply blipping the throttle in the driveway for the camera. As the engine began do decelerate in RPM, it made this raspy sound that was totally absent in the Hellcat.

Many have commented here on the sound of the idle. That too was different, but the majority of the differences between these two motors occurred as the driver was revving the engine.

I'm not sure if the Hellcat exhaust sounds just like other HEMIs or not. Also not sure if the motor decelerates at the same rate as other HEMIs, or if the flywheels are the same. But it did seem like it took forever for the engine to return to idle.
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post #13 of 50 (permalink) Old 06-09-2018, 05:22 AM
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The 340 also had a "rasp" to the exhaust note right after the driver let off the gas pedal. He was simply blipping the throttle in the driveway for the camera. As the engine began do decelerate in RPM, it made this raspy sound that was totally absent in the Hellcat.

Many have commented here on the sound of the idle. That too was different, but the majority of the differences between these two motors occurred as the driver was revving the engine.

I'm not sure if the Hellcat exhaust sounds just like other HEMIs or not. Also not sure if the motor decelerates at the same rate as other HEMIs, or if the flywheels are the same. But it did seem like it took forever for the engine to return to idle.
That's the exhaust/ healthy cam and a carb "talking".......it's NOT Chrysler 340 specific. I get tbe same basic sound out of a larger displacement SBC with long tube hooker headers, the same size 2.5 inch exhaust and Flowmaster chambered mufflers. No Cats, long tue headers and the chambered mufflers make this sound on most every older V8 you put them on that has enough cam to produce it. The fast return to idle is no doubt all about the carb vs computer directed fuel management.
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post #14 of 50 (permalink) Old 06-09-2018, 08:43 AM Thread Starter
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When I was growing up, my best friend's dad had a 1965 396 El Camino. He ordered the highest performance 396 they had. We used to plant ourselves against the back of the cab, rub down the bottom of our tennis to make sure they "stuck" to the bed, and see who could be the last one to hit the tailgate when "Uncle Don" as I called him, stomped on it in first and second. I remember well, how that engine would "bark" as you put it, through the Cherry Bombs he had on it, every time he let off the gas, especially at higher RPM's. As I recall, that rascal got something like 6 or 7 mpg. Seemed like the exhaust was louder on decell than it was during acceleration.

The 340 Cuda I listened to did this same thing, but not as "pronounced."
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post #15 of 50 (permalink) Old 06-09-2018, 09:35 AM
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I remember well, how that engine would "bark" as you put it, through the Cherry Bombs he had on it, every time he let off the gas, especially at higher RPM's. As I recall, that rascal got something like 6 or 7 mpg. Seemed like the exhaust was louder on decell than it was during acceleration.The 340 Cuda I listened to did this same thing, but not as "pronounced."

I had a friend who owned a 1970 Dart Swinger 340. It had a 4-speed and Cherry Bomb mufflers and was super loud. When he wound it out at night, you could hear his car from 1/2 mile away!


It looked exactly like this:







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post #16 of 50 (permalink) Old 06-09-2018, 08:56 PM
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Heads/cam/intake/headers will make our new cars sound like nascar.
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post #17 of 50 (permalink) Old 06-10-2018, 05:50 AM
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Nothing sounds better than a old mopar music to my ears
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post #18 of 50 (permalink) Old 06-10-2018, 06:41 AM
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I had a friend who owned a 1970 Dart Swinger 340. It had a 4-speed and Cherry Bomb mufflers and was super loud. When he wound it out at night, you could hear his car from 1/2 mile away!


It looked exactly like this:





These days chambered mufflers are the way to go.......better on all levels and just as loud when you "stand on it".

Cherry Bombs are a nostalgic name from the past but Glass packs in general are THE WORST.....poorly designed mufflers you pay dearly for with HP loss. They have no place on any car today. New or Old.
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post #19 of 50 (permalink) Old 06-10-2018, 10:40 AM Thread Starter
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Nothing sounds better than a old mopar music to my ears
Listening to that 340 on that show was indeed music: what a symphony. That Hellcat could certainly annihilate the old Cuda in the quarter, but if all we had to go by was their sound as they sat in the driveway that day, there was no comparison. They sounded as different as night and day: the Cuda was the KING.
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post #20 of 50 (permalink) Old 06-10-2018, 11:06 PM
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