ChocoTaco369

the way who presented it?

TLUZLS1

iTrader: (6)

I've heard a 4 valve with a loudmouth and bassani orx and man did that hurt my ears. Talk about loud and raspy, its too loud.

delsold

iTrader: (7)

uh...maybe im seeing this wrong
but according to your diagrams in order for the ford engine firing order to be "equal" to the ls1 wouldnt it have to be 5-4-8-1-3-7-2-6?

delsold

iTrader: (7)

oops my bad missed that post entirely...but ya! ha what he said!

Marc 85Z28

iTrader: (8)

Instead of numbering the cylinders per Fords or Chevys method, instead label them like this:

D.....H
C.....G
B.....F
A.....E

Applying Fords firing order to this labeling you get a firing order of ACGBFEDH
Applying Chevys firing order to this labeling you get a firing order of EDHACGBF. So each engine running 4 complete cycles would look like this:

Ford: ACGBFEDHACGBFEDHACGBFEDHACGBFEDH
Chevy: EDHACGBFEDHACGBFEDHACGBFEDHACGBF

It does not matter what the first number in the order is... The order is the progression of firing cylinders, which IS identical!

Dip Stick

iTrader: (1)

Chief if your logic worked. You would then just have to randomly wait to start the car at different times and each time have a different sound.

The car ALWAYS starts at the beginning with EDHACGBF for the chevy and the ford will always start off ACGBFEDH. sure at some point down the line the two waves may line up to look the same but they are always at different parts of the firing cycle.

THEY NEVER ARE THE SAME AT THE SAME POINT IN THE CYCLE. Thus you get different sounds.

Its like comparing sin waves. At some point odds are two very different frequency waves may actually overlap or meet somewhere on the graph. BUT THEY BOTH STILL SOUND VERY DIFFERENT.

I hope I help clear the air here.. or someone at least blow some smok up my ***.. its getting lonely in here

TARV

iTrader: (4)

It's the angle of the heads that gives them the sound.

troopercar

iTrader: (6)

Dip stick, are you saying that every time you turn your car off it stops at top dead center of the compression stroke on number 1?
The cycle has no beginning or end, they simply start with 1 when they write out the order because it's, well, 1.

I've been quietly reading this, but this thread made me register.

troopercar

iTrader: (6)

Also by your thinking, if 2 identicle LS1's are running side by side but one of them was fired up shortly after the other they will sound different because they are at different sections of the firing order......uhhh
Engines sound different beacause of many reasons, the exhaust sound is simply the air escaping the head under pressure and different designs sound different. Almost everything about the engine affects sound to varying degrees.
Engineers don't design engines to sound a certain way, they design them to run a certain way. If it sounds awesome so be it.

INMY01TA

iTrader: (1)

Marc85z28

Dip Stick

iTrader: (1)

Shrugs. I don't claim nor claimed to know anything about it Im just trying to grasp the understanding of his example which made no sense to me If you want to say that they dont always fire in 12345678 order snd that they fire in 456781234 order thats fine.. and if at any point in time you take an 8 cylinder snap shot you can always get a 12345678 order... Then why have it listed as any particular firing order.. I guess I looked at it as thinking whenever you begin the cycle and create the sound frequency you are looking at a particular firing sequence and wave. Thus that was my thinking and explaination

Now as you make me think more into it, perhaps I am crazy and wrong
But it wont be the first time ive been wrong But hell if I am gonna settle on crazy hehe

Marc 85Z28

iTrader: (8)

Cylinder 1 has always been used to determine engine TDC for valve timing. So it would make sense to start the firing order with cylinder 1. But once the engine is running, the cylinder firing sequence doesn't care what cylinder fired first, or even last for that matter. The cylinder firing sequence (firing order) for the LS1 and the later Ford V8s are identical I assure you

Dip Stick

iTrader: (1)

shrugs im pretty sure you would know more about it than I do But that doesnt make me feel any better about how well you know it haha

anyways

have a goood d-day and remember the vets

Would be nice to be able to get a muffler or something to mimic the mustangs at times.. that hollow grumble or whatever sound when they are just cruising is simply sexy.

Though i love my lope and how the ls1 sounds.. I get mine confused with some of the nicely done trucks tc etc... the only totally distinctive exhaust barring turbos etc is that mustang note.

Dip Stick

iTrader: (1)

should i add imo )

troopercar

iTrader: (6)

My brother has had 3 Mustangs (2 5.0's and 1 4.6), they all sounded absolutely nasty and all ran mid to high 14's with moderate bolt on's. I would rather sound slow and be fast than the other way around.
I do love the sound of a mustang with good exhaust, but I'm always pulling away so fast I don't get to enjoy it much.

6LITEREATER

iTrader: (56)

Ok, I was searching this myself but just to clear up the firing order issue:

5.0 firing order is 1-3-7-2-6-5-4-8

BUT instead of the cylinders being number 1,3,5,7 driver side and 2,4,6,8 passenger side it starts on the passenger side 1,2,3,4 and continues front to back on the driver side 5,6,7,8

SO, if you were to renumber the cylinders like an LS1 the firing order would be: 2-6-5-4-3-1-8-7 where as the LS1 firing order is 1-8-7-2-6-5-4-3

Please explain how being that the ORDER is the same that they would be firing differently...

01ssreda4

iTrader: (96)

after reading these post if all the info presented is correct then they do fire the same.

blown03mustang

i had like 5 different exhausts on my mustang, with X and H pipes and id take my ls1 any day of the week! ls1s (especially cammed) have more of a muscle car sound and sound way better to me! mach 1s are the only ones that i really luv especially with borla and an x pipe! mmm mmm good!

highway21

iTrader: (2)

its mostly in the way the head/valvetrain is built...they hav two cams as we hav only one...and also someone also said the way the exhaust is setup...true duals sound really gud on a ls1...

Kingc8r

iTrader: (21)

I remember when I was into Mustangs, one of the magazines I subscribed to had a story on the Mustang sound. It said Ford tuned the Mustangs to have the ' Mustang Sound"

Here is a link I found that explains it a little bit....

http://www.fordmuscle.com/archives/2005/03/05Mufflers/