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#16: Re: M40 engine with supercharge Author: jo-e34, Location: sban

Posted: Wed May 06, 2009 2:19 am
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twin turbo on a four cyclinder thats a bit greedy ......=)

#17: Re: M40 engine with supercharge Author: highwaystar, Location: Kola Lompuer

Posted: Wed May 06, 2009 2:45 am
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bro wlvrn, okay lets think outside the box

you want sufficient power for overtaking but not racing eh? if you want overtake a car which was 1km away you need to race first then overtake hehehe... pravindastar running on M40 1.8 E36. I can say, his car is unbelievable. He always run with us (2.3 and 2.5). Why? because we dont have enough balls to run over KMH180 (during cruising).

WHAT I SUGGEST
Take to the workshop and ask mech diagnose also tune you 1.8 to max. ie: adjust throttle body, upgrade fuel injectors and also fuel pump. This can skip your brake upgrading. Once you done... you will feel satisfied, look for ah foo Optimum Kayu Ara. Cost to do this might be around 500+-

IF NOT SATISFY
Okay, SC or TC you need more than 5k. furthermore you must do in a correct way, you need to find compatible intercooler block, SC or TC manifold and most important piggyback ie: SMT6, Greddy etc.
The piggyback also cost around 2k. Conversion?

OR you can convert your entire engine to M42 or M44 1.8 also which halfcut cost around 5K, installation lets make it 2k

MMMMMM.....

Good luck

#18: Re: M40 engine with supercharge Author: evilnickwong, Location: TTDI, KL

Posted: Wed May 06, 2009 3:25 am
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What upgrade can be done to fuel injectors and fuel pump for M40?
For throttle body, I assume as long as your valve opens max when u floor your gas pedal, it's good already right?

BTW, I think pravindastar's one is M43, not M40. Smile

#19: Re: M40 engine with supercharge Author: highwaystar, Location: Kola Lompuer

Posted: Wed May 06, 2009 4:00 am
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evilnickwong wrote:

What upgrade can be done to fuel injectors and fuel pump for M40?
For throttle body, I assume as long as your valve opens max when u floor your gas pedal, it's good already right?

BTW, I think pravindastar's one is M43, not M40. Smile

HAHAHAHAH.. i thought all this while is M40 ADOOIIII.... my bad sorry..
called prav and he said it is M43. mmmm superb engine!!!!!

#20: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 4:37 am
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ok looks like i will need to explain a lot of things that have been said in here in a bit more detail and i am going to reply a couple of posts directly so guys be prepared for a long dicussion......

#21: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 4:38 am
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jo-e34 wrote:

pros-xtra torque and power..........
cons-engine life shorter.........

overall satisfying.......=)

This is very true.......ain't nothing like the feel of boost kicking in....forced induction is the bomb....

#22: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 4:39 am
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chriseunos wrote:

supercharge the m40...after the engine kong....change to m42....if kong again....m44... xD

Very pessimistic larr u dei.......there is such a thing as an overhaul....

#23: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 4:45 am
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wks79 wrote:

3-4k . on an m40 ? ..it'll still be slower than an m20 2.5 ..
...

Not really larr bro......

when u supercharge / turbocharge an engine you effectively gain 60 - 100 additional horses taking in mind the right tuning.

An m20b25 is only a 170hp engine.....if even you get 60 additional hp on an m40 you in total get 115hp plus 60 hp making it 175hp. You would thrash the living daylights out of an m20b25 because the 6 cylinder weights a bloody ton and the m40 combined with a SC/TC still would weight nothing....balance still maintained close to 50/50 unlike the front heavy 6 cylinder cars.

And with a SC you get no lag as power comes in as early as 1500 rpm making it behave like a bigger cc NA....

#24: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 4:47 am
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datsunnismo wrote:

i think m10 is the right playground for turbo or scharge

No larr for goodness sake.....currently dont know anyone reliable enough to tune an m10 as its uses a mechanical fuel injection system...good luck trying to force induce that an getting to do anything.......

#25: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 4:49 am
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wlvrn wrote:

chriseunos wrote:

supercharge the m40...after the engine kong....change to m42....if kong again....m44... xD

dude, i dont print money at hope larr... Laughing

you are saying dont? it will over stress the old engine? i've seen E34 doing this supercharging and so far no problem...but it's just a light setting...main objective is to make easy for me to overtaking during normal drive. not for racing bro....i will be looking at the levin 1.6cc supercharger or if i could find the 1.8cc version it will be better...but i still need some advice....only 50/50 for doing it

true bolting on any form of forced induction would put stress on an older engine. will explain in detail shortly......

#26: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 4:50 am
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chriseunos wrote:

but to be honest, if u want extra power, still a 6 cyclinder 2.5CC is the way.

ha ha....your head !

#27: Re: M40 engine with supercharge Author: chriseunos,

Posted: Wed May 06, 2009 4:56 am
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pravin, u talk too much....xD

#28: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 5:12 am
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evilnickwong wrote:

I don't think JPJ will approve an increase from 1.8 to 2.5. But if you do not mind that, then by all means, that's a valid option as well.

I do think a significantly lighter, SC-ed M40 might be a good alternative to the heavier, older M20. Laughing

*cabutz*

cannot believe you guys are trying to convince someone to change to a m20b25....!!!!! on a 36 somemore....

actually a 1.8 to 2.5 conversion is not allowed tecnically but on a bmw jpj allow it most times....i know lots of guys doing this some even 2.8.....some people declare and some don't and just continue paying 1.8 roadtax.....

as for a m20....please enlighten me on the last time someone actually saw a perfect m20b25 which could idle correctly.....it takes far too much time effort and money to get one to be close to perfect....its old technology brothers....!

#29: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 5:16 am
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evilnickwong wrote:

If only can still find that style of SC ala Downing-Atlanta where the unit is integrated into a custom intake manifold.

weiiiiii.......for four cylinder thats the only way possible to do it larr Nick.....again will explain in detail in a while.....and btw here got.....he he he...racun !!!!!!!

#30: Re: M40 engine with supercharge Author: pravindastar, Location: Petaling Jaya, Selangor

Posted: Wed May 06, 2009 5:19 am
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wlvrn wrote:

:twisted:

OMG..........turbo supercharged....turbo lag is eliminated by supercharge, wow

no this does not work like that.......this system works like an old Nissan March superturbo........

will explain after lunch....am hungry already......

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