Are WRX\'s even-fire engines?

[Scotty_S-15]

Lately, since so many of the Subaru\'s are running loud soup-can mufflers, it\'s apparent that they have a VERY distictive sound. Distinctive, as in it sounds like an odd-fire engine. And they ALL can\'t have one spark plug wire off! http://www.s10v8.com/images/smilies/icon_razz.gif

............. Sort of like a Harley\'s distinctive sound because of it\'s odd-fire engine.



So, is it an odd fire engine, or..........??

[ZZ4Blazer]

I thought it was because they were boxer engines? Never put much thought into it.

[mzoomora]

On 2006-12-22 16:00, Scotty_S-15 wrote:

Lately, since so many of the Subaru\'s are running loud soup-can mufflers, it\'s apparent that they have a VERY distictive sound. Distinctive, as in it sounds like an odd-fire engine. And they ALL can\'t have one spark plug wire off! http://www.s10v8.com/images/smilies/icon_razz.gif

............. Sort of like a Harley\'s distinctive sound because of it\'s odd-fire engine.



So, is it an odd fire engine, or..........??



Harleys are more because of it being single crank pin, but its basically the same thing. I just thought WRX\'s sounded weird because the run off of rice rather than gasoline. http://www.s10v8.com/images/smilies/icon_biggrin.gif

[Knanthrup]

It\'s the \"boxer rumble\". Not sure about the odd-fire thing, I think it\'s really just the flat engine layout.... then again porsches H boxer motors dont have the same rumble so may be...

[Scotty_S-15]

Where the heck is Andy S10rodder... he\'d know.

.......... I didn\'t know the WRX\'s had a flat four. But that should make for a nice, even fire, (every 180 degrees) you\'d think, right??

.......... But every WRX I hear with the loud mufflers sounds like a four or a six with a plug wire off.

........... Regarding the Harleys, Like Mike said, two rods share the same crankpin like a V8. And if it\'s a 45 deg. V-twin, that means that instead of firing 360, 360, 360, 360, etc. Like an even-fire twin, it\'s firing 405, 315, 405, 315, etc. Hence, the odd-fire sound. Sort of like, putt, putt, wait a second, putt, putt.

............ Maybe it\'s the header design on the WRX\'s that make them sound that way???

[afghanimobilerawks]

well, judging by the subaru webpage, they ahve an even fire engine, however, alot of them do come with a dual exhaust....... so my assumption would be maybe the sounn of duals on a 4 cylinder? i personally like the unique sound of it, especially when done right (one of my friends jsut got a dual high flow put on his legacy, sounds very nice, done properly, of course)

[hoffmandirt]

I don\'t know what it is, but I can tell an unmodified wrx comming from a mile away. I love that sound. I must also say that I just got dual flowmasters on my s-10 and I am pretty sure I love that v8 rumble just a little more http://www.s10v8.com/images/smilies/icon_smile.gif.

[riotpolice75]

in my opinion it still sounds like a subaru. theres some motors that it absoloutely does not matter what you do to it, it still sounds the same. like a mustang. stock exhaust, aftermarket exhaust, no exhaust, open headers. it still sounds like a mustang. subarus are the same way. my parents had 2 back in the day, i had one, my brother has an STi, i know more than a few people who have/had them. every one of em sounds the same. its not necessarily a bad sound, its just how it is.



and yes, its an even fire engine. the firing order is 1-3-2-4. if you stand in front of the car cylinder 1 is on the right front, 3 is behind it. 2 is on the left front and 4 is behind it.



front

2 1

4 3



if you look at it, half the engine fires than the other half fires. thats why it sounds the way it does.



thank god they finally relocated the spare tire.



smith

[bigjnson_2000]

What\'s wrong didn\'t you like the spare tire under the hood? http://www.s10v8.com/images/smilies/icon_biggrin.gif