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stock fmic efficiency not good?

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Old Oct 25, 2005 | 07:06 AM
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stock fmic efficiency not good?

I dont own an evo yet ive owned many 1g's that ive built and love the platform. I currently have a 98 supercharged m3 that im selling so i can buy an evo but had a few questoins. Ill ask one at a time hehe

I notice that alot of people upgrade the fmic quickly. In the first or second batch of mods. Whats the reasoning for this? The mitsu fmic has a bad design? Is it already pushed to its limits with stock power? Just something ive been wondering and would like to know before i buy my car and start modding it, thanks in advance!
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Old Oct 25, 2005 | 07:11 AM
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you really don't need an aftermarket fmic with the stock turbo. the stock fmic is pretty efficient as it is. now it doesn't hurt to get an aftermarket fmic...
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Old Oct 25, 2005 | 07:13 AM
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Originally Posted by killr evo 8
you really don't need an aftermarket fmic with the stock turbo. the stock fmic is pretty efficient as it is. now it doesn't hurt to get an aftermarket fmic...
thats what i figured, but on a stock turbo your not gonig to see any diff in an aftermarket fmic, so why would you spend the money on one? Id rather spend the money on supporting mods to get the car prepared for a larger turbo. Not that an fmic isnt one of the supporting mods but just from the size of the stock one, id think that its good for 500whp
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Old Oct 25, 2005 | 07:16 AM
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Originally Posted by Kerndog8
thats what i figured, but on a stock turbo your not gonig to see any diff in an aftermarket fmic, so why would you spend the money on one? Id rather spend the money on supporting mods to get the car prepared for a larger turbo. Not that an fmic isnt one of the supporting mods but just from the size of the stock one, id think that its good for 500whp
Well it depends whatp ower you are making with the stock turbo. I agree that the stock FMIC is pretty darn good for stock. My firend is making 400whp with it with no problems.
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Old Oct 25, 2005 | 07:18 AM
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Originally Posted by Kerndog8
thats what i figured, but on a stock turbo your not gonig to see any diff in an aftermarket fmic, so why would you spend the money on one? Id rather spend the money on supporting mods to get the car prepared for a larger turbo. Not that an fmic isnt one of the supporting mods but just from the size of the stock one, id think that its good for 500whp
yup with the stock turbo fmic will get ya about 10-15 awhp assuming you have supporting mods like intake and exhaust. true that you should save your money and get the other supporting mods for a turbo upgrade but be prepared to spend a shiny penny on a new fmic once you do get a turbo upgrade. i still have the stock fmic so i know it's pretty efficient and have heard it's good up to 400 awhp.
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Old Oct 25, 2005 | 07:18 AM
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Originally Posted by VTECH8TR
Well it depends whatp ower you are making with the stock turbo. I agree that the stock FMIC is pretty darn good for stock. My firend is making 400whp with it with no problems.
yeah exactly, i mean if its not getting heat soaked why spend the grand or so on a new fmic.



This post started because i saw a memebers "new mod list" and couldnt understand why he spent that money on an fmic instead of other things
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Old Oct 25, 2005 | 07:40 AM
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Originally Posted by Kerndog8
yeah exactly, i mean if its not getting heat soaked why spend the grand or so on a new fmic.



This post started because i saw a memebers "new mod list" and couldnt understand why he spent that money on an fmic instead of other things
LOL... dude it wasnt my first set of mods. I replaced almost everything else on the car you could replace within reason. FMIC was not even on my list till I got an EXTREMELY sweet deal on the one I bought. I have been mod'ing the car for going on 2 years. This is far from my first group of mods. My 1G will probably get the Stock FM from my EVO because it works very well.
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Old Oct 25, 2005 | 07:45 AM
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Originally Posted by BADEVO
LOL... dude it wasnt my first set of mods. I replaced almost everything else on the car you could replace within reason. FMIC was not even on my list till I got an EXTREMELY sweet deal on the one I bought. I have been mod'ing the car for going on 2 years. This is far from my first group of mods. My 1G will probably get the Stock FM from my EVO because it works very well.
yeah i wasnt saying YOUR first batch i just see alot locally with fmic's and fuel pumps thats it LOL. In your case i understand, youve got a healthy batch of mods, i dont know about your plans, but your ready for a larger turbo now, so it was good timing, expecially if you got a good deal. The topic i started from reading your post but it just sparked my question in general, not specificaly your situation.


same goes for srt-4's there was one here at dodge for sale, yellow with a bov and upraded fmic...whats the point? lol
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Old Oct 25, 2005 | 07:56 AM
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Originally Posted by killr evo 8
you really don't need an aftermarket fmic with the stock turbo. the stock fmic is pretty efficient as it is. now it doesn't hurt to get an aftermarket fmic...
not completely true. i hear if you upgrade the FMIC and have minimal mods you're going to see a pressure drop.
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Old Oct 25, 2005 | 08:01 AM
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If lag is a power mod, then it is a good one
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Old Oct 25, 2005 | 08:06 AM
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I've noticed a lot of noobs lately putting on mods that aren't neccessary and wasting their money. If you keep reading and searching, you will be able to identify who knows what they are talking about and will receive better direction.

I notice that alot of people upgrade the fmic quickly. In the first or second batch of mods. Whats the reasoning for this? The mitsu fmic has a bad design? Is it already pushed to its limits with stock power? Just something ive been wondering and would like to know before i buy my car and start modding it, thanks in advance![/QUOTE]
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Old Oct 25, 2005 | 08:22 AM
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Originally Posted by Kerndog8
I notice that alot of people upgrade the fmic quickly.
Where have you noticed a "lot" of people doing that? I have seen that very few people do this at all on the stock turbo, and far fewer do it before already having a significant number of supporting mods. The only ones who do it early are the wannabe ricers who think a big FMIC looks cool and don't mind spending $600-900 for no power gains. There are some who have already maxed out the stock turbo and have nothing left to do but FMIC, which is fine, and also those who get in accidents where insurance pays to fix/replace the stock FMIC, so they just get an aftermarket one for the same price (smart).

But I certainly wouldn't say that a lot of people upgrade it quickly, especially since EvoM is the Land of the 2F2F and Home of the Ricer, yet it's not a common mistake even here. The most common mistake of first mods is the infamous intake/bov route...

As you've already heard, upgrading the stock FMIC is not needed on the stock turbo, for you can spend that money on more useful mods en route to 400whp. After that, it's something to look at...
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Old Oct 25, 2005 | 08:25 AM
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ok, i was just makeing sure that what i thought was correct and there wasnt something wrong with the mitsu fmic. thanks for the re-assurance guys.



oh and for the people thinking about upgrading that dont have alot fo power over stock, just upgrade your pipes, you will notice more of a diff with solid pipes then you will with a bigger fmic, i think thats what most notice when they upgrade anyway, since they put hard pipes on with there upgraded fmic's
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Old Oct 25, 2005 | 08:37 AM
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Originally Posted by Kerndog8
oh and for the people thinking about upgrading that dont have alot fo power over stock, just upgrade your pipes, you will notice more of a diff with solid pipes then you will with a bigger fmic, i think thats what most notice when they upgrade anyway, since they put hard pipes on with there upgraded fmic's
Actually, that's another common mistake on the Evo. On our beloved 1G/2Gs, the UICP was one of the first and most important mods, but a UICP on an Evo provides no measurable gains on the stock turbo. It is very efficient despite having sections that are braided hoses. The LICP, on the other hand, is a great mod that I always recommend, but many people don't do that until after cams or so...
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Old Oct 25, 2005 | 06:36 PM
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Originally Posted by Kerndog8
I dont own an evo yet ive owned many 1g's that ive built and love the platform. I currently have a 98 supercharged m3 that im selling so i can buy an evo but had a few questoins. Ill ask one at a time hehe

I notice that alot of people upgrade the fmic quickly. In the first or second batch of mods. Whats the reasoning for this? The mitsu fmic has a bad design? Is it already pushed to its limits with stock power? Just something ive been wondering and would like to know before i buy my car and start modding it, thanks in advance!

One of the reasons is the unlike the DSM's you can use the stock pipeing with an upgraded FMIC, so an upgraded FMIC is substantially cheaper than putting an FMIC into a DSM. The stock core is not bad, but it is a cheap mass produced tube and fine design. Virtually all of the upgrads are a more expensive bar and plate design.

Keith
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