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Posted
Yes.

How does it affect your ride?

Sent from my XT910 using Thaivisa Connect App

With out doubt the ride runs smoother and quieter. 100%.

The fuel also cleans the crap from the fuel system. Seems fuels are to meet this specification in LOS but don't think it has happened yet.

Posted
Yes.

How does it affect your ride?

Sent from my XT910 using Thaivisa Connect App

With out doubt the ride runs smoother and quieter. 100%.

The fuel also cleans the crap from the fuel system. Seems fuels are to meet this specification in LOS but don't think it has happened yet.

...so,transam,do you always run on Shell V-Power,or just periodically to clean the injectors?

Posted
Yes.

How does it affect your ride?

Sent from my XT910 using Thaivisa Connect App

With out doubt the ride runs smoother and quieter. 100%.

The fuel also cleans the crap from the fuel system. Seems fuels are to meet this specification in LOS but don't think it has happened yet.

.... do you always run on Shell V-Power, or just periodically to clean the injectors?

Shell V-Power is the only fuel I run on.

Posted
Yes.

How does it affect your ride?

Sent from my XT910 using Thaivisa Connect App

With out doubt the ride runs smoother and quieter. 100%.

The fuel also cleans the crap from the fuel system. Seems fuels are to meet this specification in LOS but don't think it has happened yet.

...so,transam,do you always run on Shell V-Power,or just periodically to clean the injectors?

Being near a Shell station is a problem for me at fill time, soooooo, no, l put in other stuff at the time and for sure there is a difference. BUT, a full tank of V-power when l can get it will/does work wonders, when l can get it. smile.png
Posted
Yes.

How does it affect your ride?

Sent from my XT910 using Thaivisa Connect App

With out doubt the ride runs smoother and quieter. 100%.

The fuel also cleans the crap from the fuel system. Seems fuels are to meet this specification in LOS but don't think it has happened yet.

If it is 100% quieter, does that mean you can't hear it?

I can't tell the difference in the Isuzu

Posted
Yes.

How does it affect your ride?

Sent from my XT910 using Thaivisa Connect App

With out doubt the ride runs smoother and quieter. 100%.

The fuel also cleans the crap from the fuel system. Seems fuels are to meet this specification in LOS but don't think it has happened yet.

If it is 100% quieter, does that mean you can't hear it?

I can't tell the difference in the Isuzu

I gues that's because an Isuzu is still noisy when using the best quality diesel.
Posted

I always use vpower. Why? They say it makes more power and driving a pick up I need all the help I can get. :-)

Posted
Yes.

How does it affect your ride?

Sent from my XT910 using Thaivisa Connect App

With out doubt the ride runs smoother and quieter. 100%.

The fuel also cleans the crap from the fuel system. Seems fuels are to meet this specification in LOS but don't think it has happened yet.

If it is 100% quieter, does that mean you can't hear it?

I can't tell the difference in the Isuzu

It's the Placebo effect.

Posted

I always use vpower. Why? They say it makes more power and driving a pick up I need all the help I can get. :-)

They say many things.

Posted

Isn't v-power more expensive than regular diesel? If there is a REAL effect, does the cost difference justify it's use? It's like me running 91 regular in my car - the small increase in performance/fuel economy can't compensate for its much higher cost.

Posted

If it is 100% quieter, does that mean you can't hear it?

I can't tell the difference in the Isuzu

I guess that's because an Isuzu is still noisy when using the best quality diesel.

.... only in the context that Isuzu uses the more stronger/durable steel timing chain compared to the reinforced rubber based timing belts of other vehicle models.

Posted

If it is 100% quieter, does that mean you can't hear it?

I can't tell the difference in the Isuzu

I guess that's because an Isuzu is still noisy when using the best quality diesel.

.... only in the context that Isuzu uses the more stronger/durable steel timing chain compared to the reinforced rubber based timing belts of other vehicle models.

My Vigo is chipped so a little noisier than stock when in it's power band and for sure V-Power makes it run smoother and quieter. Please do not compare an Isuzu with a Toyota engine. laugh.png

As for Isuzu having a timing chain, it's a bit like the rest of the ride, out of date. laugh.png

Timing belts have less HP drain than a chain and remain quiet through their life.

Anyone heard of a 3.0ltr Toyota belt failure before it's recommended change period.?smile.png

Posted

Isn't v-power more expensive than regular diesel? If there is a REAL effect, does the cost difference justify it's use? It's like me running 91 regular in my car - the small increase in performance/fuel economy can't compensate for its much higher cost.

To the length of time one chooses to keep a vehicle, '91' regular over ethanol based fuel is the better choice because there is comparatively less 'upper engine' lubrication in ethanol fuels than 'regular' based ones: Less lubrication results in comparatively shorter operational lifespan than that of an engine not using ethanol.

As with many topics, this subject seems to be one that gravitates into the area of 'subjectivity' where what's true for one will not always be true for all - people have different perspectives.

Speaking from the perspective of an enthusiast who cares about the long term operation, ( to >300,000 km), and performance of one's vehicles, using Shell V Power diesel for its purported increased gas mileage, engine efficiency and cleaner exhaust emissions makes it a no-brainer fuel choice.

In my personal comparison to the 3.0L BMW engine, the best engineered performance engine I have ever driven, I can state that after having driven more than 5,000 km in my new Isuzu 3.0L, for its build and using only Shell V Power diesel, this is also a smooth running and nice performing engine. I must note that I also changed the transmission and engine oils to synthetic oil.

Posted

If it is 100% quieter, does that mean you can't hear it?

I can't tell the difference in the Isuzu

I guess that's because an Isuzu is still noisy when using the best quality diesel.

.... only in the context that Isuzu uses the more stronger/durable steel timing chain compared to the reinforced rubber based timing belts of other vehicle models.

My Vigo is chipped so a little noisier than stock when in it's power band and for sure V-Power makes it run smoother and quieter. Please do not compare an Isuzu with a Toyota engine. laugh.png

As for Isuzu having a timing chain, it's a bit like the rest of the ride, out of date. laugh.png

Timing belts have less HP drain than a chain and remain quiet through their life.

Anyone heard of a 3.0ltr Toyota belt failure before it's recommended change period.?smile.png

Noise!?? What noise? My MU-7 runs relatively quiet in my estimation, (and I do have excellent hearing tongue.png), with the chip and while running V-power.

That's the point!: There is no timing belt 'change period' on this trusty 'ole Isuzu 3.0L because in this respect, it's truly "built to last" the life of the engine. It's one of it's better selling points. smile.png

I can drive all day long, way out in the boonies, for the life of this engine and not ever have to think about whether or not I'm nearing the end of its timing belt's lifespan...and a potential blown engine! whistling.gif

Even with its steel timing chain's Hp drain, I'm pretty sure my 4x4 still gets better gas mileage than the smaller Fortuner 4x4 .... I know it puts out more Hp when comparably totally modded.

Maybe I should be the one saying: 'Please do not compare a Toyota diesel 3.0L with an Isuzu 3.0L diesel'! laugh.pnglaugh.png But I won't ..... the Toyota diesel would be my 2nd choice!

  • Like 1
Posted

<p>

So why don't Toyota continue to use old timing chain technology. ?

This answers your question and proves the point:

http://vsm.skf.com/en-US/Catalog/~/media/Files/enUS/Automotive/457702_Web_PDF.ashx

The focus should be, at least IMHO, the results that the component in question produces when it does its job: in an engine, picture the strength exuded by a steel timing chain meshed in the sprockets of the gears on the ends of the crank shaft and the camshaft .... now picture a rubber based timing belt performing the same task. Unless one has a pension for disposable engines, it should be obvious which scenario (photo) best performs the task and endures for the long term.</p>

post-80480-0-17657500-1348405534_thumb.j

post-80480-0-95815000-1348405545_thumb.j

Posted

<p>

<br />

So why don't Toyota continue to use old timing chain technology. ?<br />

<br />

<br />

As consumers, without a corp edict, we can only venture to guess a company's perspective: Steele vs rubber based .... corp cost savings and vehicle weight reduction (resulting in improved fuel economy) .....<br />

<br />

The focus should be, at least IMHO, the results that the component in question produces when it does its job: in an engine, picture the strength exuded by a steel timing chain meshed in the sprockets of the gears on the ends of the crank shaft and the camshaft .... now picture a rubber based timing belt performing the same task. Unless one has a pension for disposable engines, it should be obvious which scenario (photo) best performs the task and endures for the long term.</p>

Nooooooooooooo, does an Isuzu have a double true roller chain as your photo. I don't know ?

Does the belt do the job and drain less HP ?

Would Toyota risk a problem ?

Posted

So why don't Toyota continue to use old timing chain technology. ?

It is a fact that the Vigo is one of the few Toyota models that use a timing belt, since 90% of the other models use a chain.

It is also a fact that most of the bigger Manufacturers, BMW, Nissan , Mercedes, just to name a few have turned away from the timing belt and are using chains again.

I personally had a BMW 318i about 23 years ago, which had a timing belt , and it broke 3 times in the first 100.000 Km.And I wasn't the only one with this issue.Manual required change at 80.000 km.

The next model used timing chain again.

Posted

So why don't Toyota continue to use old timing chain technology. ?

It is a fact that the Vigo is one of the few Toyota models that use a timing belt, since 90% of the other models use a chain.

It is also a fact that most of the bigger Manufacturers, BMW, Nissan , Mercedes, just to name a few have turned away from the timing belt and are using chains again.

I personally had a BMW 318i about 23 years ago, which had a timing belt , and it broke 3 times in the first 100.000 Km.And I wasn't the only one with this issue.Manual required change at 80.000 km.

The next model used timing chain again.

Many engine designers have had problems with their belt technology. Many failures have been via after market belts. I know sad.png .

The Toyota diesel has had very few problems with their belt engine design. smile.png

Posted

So why don't Toyota continue to use old timing chain technology. ?

It is a fact that the Vigo is one of the few Toyota models that use a timing belt, since 90% of the other models use a chain.

It is also a fact that most of the bigger Manufacturers, BMW, Nissan , Mercedes, just to name a few have turned away from the timing belt and are using chains again.

I personally had a BMW 318i about 23 years ago, which had a timing belt , and it broke 3 times in the first 100.000 Km.And I wasn't the only one with this issue.Manual required change at 80.000 km.

The next model used timing chain again.

Many engine designers have had problems with their belt technology. Many failures have been via after market belts. I know sad.png .

The Toyota diesel has had very few problems with their belt engine design. smile.png

My problems with the beamer didn't have anything to do with aftermarket.I made on average more than 100.000 Km a year at that time, so it were all genuine belts replaced by BMW under warranty.

I don't argue with you that the Vigo has very few problems with the belt, yet you should ask the question why 90% of the Toyota models use a chain, and that includes models that have been designed years after the Vigo.

Posted

In my 10 year old Ranger XLT, no discernible difference in power or noise. No discernible difference in smoke. It has been adjusted to keep the smoke down. No difference in mileage. 10.4 km to the liter on the highway whether running V-Power or any other brand. The truck runs great on anything.

Posted

So why don't Toyota continue to use old timing chain technology. ?

It is a fact that the Vigo is one of the few Toyota models that use a timing belt, since 90% of the other models use a chain.

It is also a fact that most of the bigger Manufacturers, BMW, Nissan , Mercedes, just to name a few have turned away from the timing belt and are using chains again.

I personally had a BMW 318i about 23 years ago, which had a timing belt , and it broke 3 times in the first 100.000 Km.And I wasn't the only one with this issue.Manual required change at 80.000 km.

The next model used timing chain again.

Many engine designers have had problems with their belt technology. Many failures have been via after market belts. I know sad.png .

The Toyota diesel has had very few problems with their belt engine design. smile.png

My problems with the beamer didn't have anything to do with aftermarket.I made on average more than 100.000 Km a year at that time, so it were all genuine belts replaced by BMW under warranty.

I don't argue with you that the Vigo has very few problems with the belt, yet you should ask the question why 90% of the Toyota models use a chain, and that includes models that have been designed years after the Vigo.

Because a certain engine design has a problem with a belt. Don't ask me why cos l do not design engines, BUT, there is a reason for everything and am sure Toyota made their decisions after oooooooooooooooodles of tests. smile.png
Posted

Because a certain engine design has a problem with a belt. Don't ask me why cos l do not design engines, BUT, there is a reason for everything and am sure Toyota made their decisions after oooooooooooooooodles of tests. smile.png

You're exactly right!: Page 7 here (http://vsm.skf.com/en-US/Catalog/~/media/Files/enUS/Automotive/457702_Web_PDF.ashx) answers that question: They say, in effect, that rubber-based timing belts allow them easier flexibility and adaption to design engine variations that they don't have with steel based timing chains.

One thing I have to say about the discussions in this forum; we usually come out of it learning something.

Posted

When I got the Mitsubishi pick-up I ran it on Vmax diesel for a time. Then I changed to Caltex, which I am still using. The difference is......I can't tell if there is any difference! If there is it's minuscule.

Posted

When I got the Mitsubishi pick-up I ran it on Vmax diesel for a time. Then I changed to Caltex, which I am still using. The difference is......I can't tell if there is any difference! If there is it's minuscule.

I also try to use Caltex if possible. Significant better milage than PTT, but I guess any brand is superior to PTT.
Posted

Since switching to Shell V-Power diesel our 2012 Isuzu seems to run much more smoothly and anecdotally with improved km/L (yet to be mathematically proven).

Mind you, it seems to run better too, after a washing.

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