Is it my imagination,
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Post Fiend
Joined: Jan 2003
Posts: 8,600
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From: Iowa
Is it my imagination,
or do chevy's have a different exhaust sound than fords? Every chevy truck that I've heard with any sort of aftermarket exhaust (and some without) have made sort of a pulsing sound, particularly when they accelerate. The fords, on the other hand, seem to be more smooth, like a BZZZZZZ. Sure, mine is kind of poppy, but even, what with the headers, turbo mufflers, and dual exhaust, but it has a distinctly different sound than chevies. Is this just a difference in the firing order, or what? Just an observation.
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Joined: Dec 2002
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From: Phoenix USA
Is it my imagination,
Hey rusty,
As far as I can tell here is the reason for this phenomenon. With the Ch*bby distributor being at the back of the engine and the timing chain being at the front, there is irregular torsional twist in the camshaft that drives the distributor, leading to uncontrolled timing events. This combined with the fact that the distributor is rotating the oposite direction that a Ford distributor does causes the air inside the cap to rotate in the unconventional direction for the northern hemisphere, thus also going against laws of nature. Combine all these problems and you have the unnecessary noise coming from their exhaust.
Either that or they just build a P.O.S.
As far as I can tell here is the reason for this phenomenon. With the Ch*bby distributor being at the back of the engine and the timing chain being at the front, there is irregular torsional twist in the camshaft that drives the distributor, leading to uncontrolled timing events. This combined with the fact that the distributor is rotating the oposite direction that a Ford distributor does causes the air inside the cap to rotate in the unconventional direction for the northern hemisphere, thus also going against laws of nature. Combine all these problems and you have the unnecessary noise coming from their exhaust.
Either that or they just build a P.O.S.
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Post Fiend
Joined: Jan 2003
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From: Iowa
Is it my imagination,
Originally posted by 79Lariat
Either that or they just build a P.O.S.
Either that or they just build a P.O.S.
Posting Guru
Joined: May 2001
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From: Florida
Is it my imagination,
Don't mean to be a poop here, but I always thought the dodge's and chevies sounded meaner, at least stock. On the new ford's I'd imagine it's because they have overhead cams and the rest use pushrods.
Post Fiend
Joined: Feb 2001
Posts: 6,624
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From: Missouri
Is it my imagination,
Ken's got it right. In both hemispheres also. 
I love the ford sound. When my exhaust pipe broke on the 4.6L crown vic it sounded just like the 332 in the old grain truck. Wife made me fix it. I thought the 426 HEMIs sounded weak. They made up for it on the dragstrip though.
I love the ford sound. When my exhaust pipe broke on the 4.6L crown vic it sounded just like the 332 in the old grain truck. Wife made me fix it. I thought the 426 HEMIs sounded weak. They made up for it on the dragstrip though.
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Post Fiend
Joined: Jan 2003
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From: Iowa
Is it my imagination,
Huh. Very interesting. If it's the firing order, is it because they have two adjacent cylinders firing close to the same time, and would this make them less efficient?
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Joined: Oct 2002
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From: Raleigh, NC
Is it my imagination,
The Ch's and Dog's I hear, you always hear the valvetrain working like it's struggling to get the exhaust out, the Fords seem to run smoother, therefore eliminating the valve/timing noise. Now I have heard Fords that sound like the Ch's and Dog's, but again the valve/timing noise is not present, that's why Fords seem quieter.
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