Whether the singular application of a variable intake manifold length system can actually ‘dramatically’ or even significantly improve the CAMPRO engine’s performance… I don’t think so. It’s just too small a variable.

The ancillary ‘benefits’ touted by Proton ie. (i) weight reduction – please don’t make me laugh. A couple of kilos won’t make a huge difference. (ii) smoother airflow and better air/fuel mix… Unless Proton has re-designed the manifold with better air/fuel results in mind, simply changing the material used to plastic will have no benefits at all.

This 2 is big different~

Honda sure the best than proton, is nothing or fight abt it.

Proton at least got some improvement, just see how proton do for the future, the people who like proton then go suuport proton, the people who dont like proton just let it be. Give some support, at least proton was malaysia product.

"Oh, and Joe, don’t bother. I know what you’re going to type before you type it so I don’t need to read what you’ve already written a squillion times already. Besides, I wouldn’t be too surprised if I’m not the only one with similar precognitive abilities. I’d say “give it a rest”, but you couldn’t on a bet."

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So you treat this blog and make it not look like Taiwanese House of Reps but "WWE ring" for you to rambling ….. put up "Royal Rumble" but no titile fight with no spectators!

So, use some one as "punching bag" to show you are saint because of "speaking the truth" and other at "fault/ugly" because get "bruised and blue black eye" by your punching!

In political science perspective, this approached is notoriuosly employed by dirty politician to advance their power based and dubious/selfish ideology! It is term as "accuse and deny", "blame-shifting tactic" and of course try to carry out character assasination design to inflict irreparable damage to other! Stop here 1st,……………………

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Back to topic, the "negligible" improvement by P1 in its CamPro engine definitely won't reverse its falling fortune. Or it will not boost its car sales simply because, 1st it is not new and 2nd there are so many new tech/features in other car manufacturer new model. This improvement is "too-slow-too-little"!

No matter how much Proton's getting the bashing, the reality is that we can see the numbers keep on growing on the roads. Every here and there we would see savvs, gens, wirs and the 'boxies'. Lack of choice or being faithful on the product is not the question, the fact is the numbers are BIG. I do sincerely hope the management walk the talk and make the brand not far away than the Koreans, by least.

To Paul for costing you time to delete my posts, and Khairy for the 'emo', thousand apologies. I didnt mean it though. Peace.

Matthew, Spot on mate.

do not make any stupid modification on ur car (especially engine) & put so much accessories.. the car maker have done so many tests to get the best CD.. not need to waste ur money for make up..

ps:thats why i choose vios 1.5E.. 14" rims serve me just fine.. don't care so much about accessories….

CPS would mean whole Campro head redesign and R&D cost. With that the vehicle cost will not be cheap.

Cheap no good; good no cheap

If the variable intake manifold not just boosts top end power and reduces harmfull emissions but improves fuel economy then it is the correct step. Why pay for more for a slight improvement in power if the engine cannot deliver better fuel economy? At times like these fuel efficient cars are highly sought after so let us see what happens next.

Having light intake manifolds will improve fuel economy? yes but only a small small fraction; dun expect a miracle. You want better FC?

-maintain stock rims or smaller,

-change with recommended lubs and filters at recommended service intervals,

-maintain correct tyre pressure,

-select better time to travel with less traffic,

-feather throttling,

-drive within 90km/h – anything higher than that FC will worsen as the more engine power is used to overcome wind resistance.

-if you want to drive with window open, drive within 60km/h. anything higher than that will be additional wind resistance to your car.

contradictory to popular belief, this myth of driving with windows up or down has been proven by the mythbusters over at discovery.

-check/change at recommended intervals for sparkplugs, air filters

-dun put tons of tons of ICE in the car. Similar results can be done with proper planning and selection but with minimal weight penalty.

-dun set the aircon at "north pole" mode but set to moderate instead. the compressor takes up 1-2hp worth of useful kinetic energy.

-etc etc etc

Proper maintenance and usage is the key. There is nothing more truthful than that.

What about performance enchancing items like tablets and additives? well its up to you. If the cost of the product if translated to litres of petrol, with that set amount if the additives itself can have better mileage than the petrol equivalent, then its a good buy. other than that dun bother.

penny wise pound foolish.

Lets hope the revised engine will deliver

We can make 1001 suggestions.. but who want to listen?.. the gov only listen, if one of them or their relatives can make money of it.. agree?.. pls read the newspapers today, about the recent AP scandal!! that is an example la… make me sick!!

variable intake geometry system or what, the fact is p1 is not relevan anymore in auto ind., for instance, theres one proton edar just closed shop after operating so many years, near my office.. so u know what it means la.. more sure gonna close oso….

but p1 still relevan with our overpriced car in bolehland.. but we can close one eye and assume it as patriotic contribution.. bcoz it is still worth to buy expensive japs or conti cars compare to p1.. or at least look for 2nd hand cars… & use it for the rest of ur life..u won't regret…

11/10/06

To counter this, maybe P1 opt to have a soft turbo added in to bridge the gap?

Using plastic manifold not only reduces weight (which is cruicial for fuel economy {FC} ), but it also ensure that the air/fuel flow into the combustion chambers are smooth and swirled appropriately.

Casted manifolds in mass production is usually pledged with production related roughness, that at places cannot be reworked. Thus, creating an interupted air flow, equals poorly burnt fuel , equals no power & high FC.

I think, not only P1 is in an infant stage. The whole automotive industry is, with some fat retarded ones hodging the lanes.

Imagine, a technology that have since being used almost half a decade ago, and we still need 1 1/2 years to copy and produces it.

Have you heard of China? They can clone a whole engine block within a month at max !

Pride aside, to survive we need to be smart, and not to re-create an old item and claimed credits for it later on.

Even though just about everyone has NOT bothered to read source material (linked on this page), it's on for young and old with a litany of white noise about Proton AND other users with no basis in fact. For instance, comments on driveability and performance of the Proton engine with the variable intake track system from people who haven't even seen the gizmo, let alone driven a car with it.

And, of course, mindless Proton bashing aplenty. When you clowns aren't bashing each other, that is.

Did anyone notice that the Bernama source was based on a release from EPMB, NOT from Proton? Of course not, because nobody bothered to read it. Proton is mentioned, it MUST be Proton speaking, right? I just can't figure if Paul's Place is salted with a limited number of people who know (and care) about cars or a considerably greater number of mouth-breathing morons who are the digital version of a schoolyard bully, pushing others around because they can't get along with anybody. The parallels are there: posting without reading, making proclamations utterly without information and assuming one's own experience is shared by all others. To an outsider this place probably looks more like the Taiwanese house of reps than an automotive blog.

But the scariest part is that there are a LOT of people posting here who make George W appear intelligent. Now that's horrifying.

I was going to share what I know about the project and how similar variable-track intact systems have worked where used in other cars with CamPro-like torque shortfalls at critical engine speed ranges, but from what I've read here, none of this would be in keeping with the theme of this hijacked thread.

Oh, and Joe, don't bother. I know what you're going to type before you type it so I don't need to read what you've already written a squillion times already. Besides, I wouldn't be too surprised if I'm not the only one with similar precognitive abilities. I'd say "give it a rest", but you couldn't on a bet.

Last but not least, I'd like to thank Paul: it was a damn good try, but methinks this thread needs to be euthanised and a "let's bash Proton" thread be established for the benefit of users so inclined so those of us who actually want to share information (as opposed to opinion) can.

The variable intake length idea is long long time ago technology. It has nothing to do with VTEC and variable valve timing. No doubt it works. It is cheap, but really depends how much homework p1 has made.

Campro engines from what I've heard and read lacks tremendously at high RPMs so I reckon the variable intake length system is used to improve the high rev section of the engine; my best guess that about 5ps of gain and slight torque gains through variable intake geometry (it sounds so tacky for a intake with just two different intake lengths lol).

Mileage performance? should be about the same. Heck we might end up with a louder engine.

October 10, 2006 @ 12:50 am

I am not trying to defend anyone here, but each time Paul Tan posts something about Proton, the comment section will certainly be full of unconstructive criticisms. A lot of Malaysians know how to criticise, but how many of us have suggested solutions?

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agreed…

szw, as paul has said “Lower end power will also be better”. anyways, we can only see it 2nd half 2007"

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the word "better" is very subjective, Hope Proton will release the figure to their supporter and basher.

P/S: We want to se their torque/power graph.

On the camless question, Lotus has already been meddling with this technology since a few years back."

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Almost all engine manufacturer/designer has already been meddling with this technology one way or another. However that doesnt mean their version of camless engine are going to be mass produced.

BMW, Merc and Renault however are going to introduce their version of camless engine in not too distant future.

do you guys think it is possible to have more than just two different length?"

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It is possible and if im mistaken, its already in the market (3 stage). Perhaps the continiouos version (stepless) will be on the future engine.

szw, as paul has said "Lower end power will also be better". anyways, we can only see it 2nd half 2007

Imagine the long distance journeys. I wonder if it could withstand the test of time and torture. Hope the results are good but highly doubt overall effectiveness.