V6 v V8 sound

[Mr E]

The distinctive classical sound of an (american) V8 comes from its 2 plane crankshaft. There are single plane cranks also (ferrari V8 for example) which don't have that distinctive "wuffle" but more of a single note. http://en.wikipedia.org/wiki/V8

You learn something every day - thanks

 

[BTB 500]

The V6 in my Sharan sounded great, part of it is down to the gearbox though ... with a manual you can change up at higher revs without giving it full throttle.

 

[whitenemesis]

Dropping a cylinder here, but what contributes to the distinctive sound of a 5 pot engine? The Scuby for example. Even my 270 has a (rather muted) characteristic "wub-wub" note

 

[Bobby Dazzler]

Dropping a cylinder here, but what contributes to the distinctive sound of a 5 pot engine?

Simply unbalanced!! Audi Quattro's a great example.

 

[BTB 500]

Dropping a cylinder here, but what contributes to the distinctive sound of a 5 pot engine? The Scuby for example. Even my 270 has a (rather muted) characteristic "wub-wub" note

Eh? Subarus are mostly flat-fours.

5 cyls are mean to "warble"

My dad had a 5-cyl Passat - that did sound nice.

 

[whitenemesis]

Eh? Subarus are mostly flat-fours.

5 cyls are mean to "warble"

My dad had a 5-cyl Passat - that did sound nice.

You are quite right..

Did I mean the EVO?

Either way, I rather like the sound of my cylinder deficient oil burner!

 

[BTB 500]

Did I mean the EVO?

No they're 4-cyl as well!

 

[Bobby Dazzler]

Did I mean the EVO?

Audi Quattro was though - the car that started the 4x4 turbo road/rally specials.

Subaru does have a unique sound though, albeit not a straight five. Boxer engines (flat engines) are fairly unusual these days (of course 2CVs, Beetles, etc meant they were popular years ago). They don't require a balancer shaft because the forces are equalised due to the pistons hitting Top Dead Centre at the same time on both banks.

 

[stats007]

A flat-four still has some imbalance due to the cylinder spacing.

 

[cjab98]

Boxer engines (flat engines)

A Boxer engine is a type of flat engine, but what many people often don't realise is that a flat engine isn't necessarily a boxer.
A flat engine can also be a 180 Degree Vee (usually with 8 or more cylinders), where two opposing pistons share the same crank pin as is found on more conventional vee engines. So two opposing pistons will be in a different position (when one is at BDC the other is at TDC).
A Boxer engine has two pistons that hit top/bottom dead centre at the same time since they're on different crank pins 180Deg appart.

Its a bit difficult to explain without pictures so I hope that all makes sense

 

[st4]

Oops, and nearly forgot. My favourite engine/exhaust noise is without doubt a BMW 3.0 straight-6 fitted in a nice E46 3-Series Coupe. A wonderful noise. Surprised I've never had one.

I had that engine in my 1st X5 and truth be told it was more tuneful than the V8 that replaced it. Quiet when it needed to be, racious on demand

 

[recycled]

My best noise is a corvette zo6. 7.0l V8

 

[BIGjoe]

This sounds nice to
http://www.youtube.com/watch?v=v4Q2O7EUk2E&feature=related

 

[renmure]

Can't beat a Screaming F355 V8 with Tubi and Decat at full chat

http://www.youtube.com/watch?v=T2oEbsJQkz4

 

[A210AMG]

Have to say my straight 6 330 sounded good roof down, with a CAI

A CSL sounds quite nice also, saying that an SL55 sounds great a full chat.

 

[W210 Fan]

my 2 pence,

http://www.youtube.com/watch?v=cRU2lDCSfBU

V8 turbo lexus engine running at around 11,000RPM, a real screamer,

or the classic BRM V16

http://www.youtube.com/watch?v=fZMPDCNyQxE

 

[C240Sport97]

I have been playing with my Boxster ..

Thought I would miss the AMG V8, and I do but, here's what I wrote about the engine sound on boxa.net:

2. The noise it makes after 3k rpm -- have only gone to 5k rpm -- like a very refined high precision turbine yelling politely. The way it howls louder and up the scale, as if saying "let me go" -- my only complaint is the way the sports exhaust is quiet at certain speeds between 2k and 3k rpm.

I could listen to the engine all night long (unlike Lionel Ritchie's "hit" song). Can't wait to get to 6k and then 7k. Very different to the AMG V8, and just as, if not more, intoxicating. Probably more, because it sings sooner, more soulfully and for longer. Who needs music or BOSE when you have the engine soundtrack? As if to prove the point, I have not played a CD in the car yet or even listened to the radio.

 

[whitenemesis]

Ok, hows about this?

http://uk.youtube.com/watch?v=CVFMX0y6EBE&feature=related

Great cars and bike (lunatic) but can anyone identify the soundtrack?

 

[stats007]

The 911 with PSE was awesome. The Maser is also something else .

 

[c240yaz]

The majority of the sound you hear is from the exhaust while tick over. You only hear the input (whoosh) when you rev it. Basically, perfect crank and piston firing order. Personally, a V6 sounds more powerfull when revving. But other will disagree !