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V6 vs i6 

 

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 Post subject: V6 vs i6
Posted: Sun Feb 18, 2007 5:40 pm 
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was just woundering, what is better, an i6 engine or a v6 configuration? what are the pros on cons of each? Also ive always woundered is there any reason why they dont produce inline 8 engines?

any insight would be much appreciated :)
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Posted: Sun Feb 18, 2007 5:46 pm 
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My father-in-law believes fords head gasket problems are mainly related to the length of the head. He wonders why Ford haven't chosen a V6 for the falcon.

 

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Posted: Sun Feb 18, 2007 5:50 pm 
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inline 8's would be too long is my guess.

Inline 4's are made as I guess there would be no power in a V4.

Inline 6's seem to produce more tourqe? I'm really only guessing here.
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Posted: Sun Feb 18, 2007 5:56 pm 
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From what I know, I6's produce more torque and are perfectly balanced proving a smoother ride. V6's are more space efficient.

 

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Posted: Sun Feb 18, 2007 5:56 pm 
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Inline 6's are smoother. They are more balanced than a V6, but it is things like the displacement, bore/stroke and head design that effect power and torque so no real comparisons can be made there.

There have been Inline 8's made, but yeah as Darkr said - they are too long.

 

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Posted: Sun Feb 18, 2007 6:03 pm 
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I think it is safe to say that V6s lose a bit of power due to extra counterweights that are used to soften the vibrations that occur due to the motor being off balance, isn't it?
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Posted: Sun Feb 18, 2007 6:17 pm 
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Not really.

It comes down to packaging. An inline 6 is the best configuration for an engine and is the most naturally balanced. V6's and V8's compramise natural balance to make a more compact engine to fit into smaller engine bays.

The head gasket issues are not caused by the size/length of the head either.

 

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Posted: Sun Feb 18, 2007 6:24 pm 
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stockstandard wrote:
Not really.

It comes down to packaging. An inline 6 is the best configuration for an engine and is the most naturally balanced. V6's and V8's compramise natural balance to make a more compact engine to fit into smaller engine bays.

The head gasket issues are not caused by the size/length of the head either.


What about fuel economy? In a same capacity engine in the same car for example would it make a difference? I would also imaging that v6's would be more expensive to maintain.
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Posted: Sun Feb 18, 2007 6:52 pm 
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I'd rather do a head gasket on an inline 6 rather then a east-west mounted V6, especially the bank facing the firewall..

 

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Posted: Sun Feb 18, 2007 7:07 pm 
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Inline 6 is the second smoothest engine, second to a V12 which is two inline sixs.
V6 are made so they can squish them in.
Back in the day I8's were common, V8 now so they can fit them in, as they used to have bloody long bonnets.
Not aware of any V4's, but the Subaru's seem to do a flat 4. Aside from that most 4 bangers are I4's - which says something for the I vs V debate.
Also, look at the best 6 cylinder engines over time. First comes to mine is the Hemi 6 powerful as all nuts (considering age, non-crossflow, etc.), the ever popular Holden 6 (Red, Blue, Black, take your pick), Ford's 6 been around for years and years, they use bigger 6's in the F-trucks in yank land, like 5L capacity. Then you've got recent performance vehicles, BMW's M3's use I6's, powerful engine from factory, Toyota I6's as used in Supras, some big power from them, and of course the Nissan I6's, RB's in the Skylines, etc. Some nuts power there.
Back to the Ford camp, consider Nizpro's 1000kw XR6T, that's a stock block too, don't think any of the yank made V8 Ford blocks handle power like that, usually they end up going to an aftermarket block.

 

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Posted: Sun Feb 18, 2007 7:09 pm 
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68stang wrote:
stockstandard wrote:
Not really.

It comes down to packaging. An inline 6 is the best configuration for an engine and is the most naturally balanced. V6's and V8's compramise natural balance to make a more compact engine to fit into smaller engine bays.

The head gasket issues are not caused by the size/length of the head either.


What about fuel economy? In a same capacity engine in the same car for example would it make a difference? I would also imaging that v6's would be more expensive to maintain.


I can't think of any cars that come with the option of V6 or I6, so that you can compare them...
There's also a lot more to fuel efficency than the engine, such as gearbox, diff ratios, vehicle weight (engine weight would effect that to). Guess it also depends if your doing a fuel efficency test (i.e. engine set up in a lab) or a real world test, actually in the car being driven...
I would believe the I6 would be more fuel efficent, prolly not much in it, reason for saying this is if the engine is smoother and reving smoother etc., it's not having to work as hard to get the same power output, and so would assume it to therefor be using less fuel when achieving the same output.

 

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Posted: Sun Feb 18, 2007 7:11 pm 
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I seem to remember that VW/Audi has made a few V4 engines at some point.

 

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Posted: Sun Feb 18, 2007 7:51 pm 
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The holden V6 motor came out a FRONT wheel drive bewick. The camry's and magna's are both front wheel drive and they use the v6.

I prefer the I6 personally

 

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Posted: Sun Feb 18, 2007 7:56 pm 
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Pretty much all FWD 6's are going to be V6, bit hard to cram an I6 between the front wheels.

 

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Posted: Sun Feb 18, 2007 8:01 pm 
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would certainly be interesting to see an east west i6 lol.

with a BTR auto the car would be 4 metres wide lol

 

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