fmic overkill - Subaru WRX Forum
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post #1 of 20 Old 07-21-2006, 09:45 AM Thread Starter
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fmic overkill

i was just wanting some of your guys opinions on a front mount intercooler for my 06 wrx now i dont have the turbo upgraded and im buying a ton of parts for it. do you think a fmic would be overkill for the stock turbo or pointless????

buying mods\

tanabe concept blue turbo back exhaust
k&n typhoon intake with heat shield
XS engineering power pack 2
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post #2 of 20 Old 07-21-2006, 09:47 AM
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Not necessary for your mods...

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post #3 of 20 Old 07-21-2006, 10:07 AM Thread Starter
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would i loose power or gain if i did put a fmic on with the mods i have??
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post #4 of 20 Old 07-21-2006, 10:22 AM
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i do not have a fmic. but from what i understand, if you run one with your mods, stock turbo. you may lose alittle low end, but the cooling difference should make up for it.
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post #5 of 20 Old 07-21-2006, 10:48 AM
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A larger fmic will cause you a little lag. There's a lot more piping now that has to be taken into account.

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post #6 of 20 Old 07-21-2006, 10:49 AM
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Hold off on the FMIC until you do a turbo swap. The added Tube Length will increase your spool up time. The Larger Core will increase your spool up time and you have to hack up your front bumper to install it.. Lastly the inter-cooler is in front of the radiator causing the engine to run a little hotter and thus it also gets hit with road debris.. Until you need it don't spend the money on it...

02 WRX.. "It's fun when it runs.. Problem is that it hardly ever does..."
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post #7 of 20 Old 07-21-2006, 10:52 AM
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good point shoaf, i always wondered about the FMIC and if it effected engine cooling. i see alot of people in here get turbo, and fmic, but does ANYONE even upgrade there radiator? makes a big cooling difference, no cooling, big problems!
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post #8 of 20 Old 07-21-2006, 11:40 AM Thread Starter
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thanks for all the info guys i will take everything into consideration.
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post #9 of 20 Old 07-21-2006, 01:14 PM
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If you really want to you can upgrade your TMIC and that will be cheaper, easier to install, not get destroyed by the road debris, and not really affect your spool too much.

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post #10 of 20 Old 07-21-2006, 04:46 PM
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Since most cores now are bar and plate style cores, they're very durable and are not going to be as easily damaged as the stock tube and fin design. At least I've never damaged one. As for upgrading the IC for the stock turbo, I wouldn't do it because of the above posts. Lag is going to increase and the stock turbo just doesn't justify the install.

My car is well, it's like 10 lbs of shit in a 5 lb bag...

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post #11 of 20 Old 07-22-2006, 12:08 PM
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if you are even of thinking of upgrading the turbo or turning up the boost on the stock turbo then you need a front mount intercooler, keep the pipe diameters reasonable, 2 1/4 on the hot side and 2 1/2 on the cold side and you will hardly notice the difference in boost threshold. why buy a top mount now and a front mount later, i dont know why these guys are telling you to hold off on a front mount intercooler, i have never witnessed a topmount equipped car being quicker than a similarly spec'd car with a front mount. Cars have gears so that you can keep it on the boil anyway, the factors which should affect your decision are these.
1. how much money do i want to spend?
2. Do i want more power than stock?
3. how serious am i about getting power?

i never buy a part which does not fit into my final goal, why make your parts obsolete every time you make a new change. get a plan and stick to it, if you want more than 300hp then get a fmic, sure a top mount will support that but what happens when you get bored with 300hp.
dont buy parts more than once!!!!

Nothing makes Torque like 1.7Bar of Boost
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post #12 of 20 Old 07-22-2006, 12:15 PM
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I'll agree with the above only on one point, that's about buying parts more than once. Like stated above, find out what your final goal for the car is and then mod accordingly. Both are going to have their drawbacks, but if you're not going for a 400+hp, a fmic just isn't necessary. Do they look sweet, hell yes they do, but can you do the same with a tmic? Yes you can.

Also,

I personally don't see the need for a fmic on a turbo smaller than a 20g.

My car is well, it's like 10 lbs of shit in a 5 lb bag...

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post #13 of 20 Old 07-22-2006, 01:24 PM
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A decently sized TMIC will support up to 400 whp but above that a FMIC is required.. I proved that already. Most "Tuners" generally don't shoot for more then 400whp so for most a TMIC will be sufficient...

02 WRX.. "It's fun when it runs.. Problem is that it hardly ever does..."
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post #14 of 20 Old 07-22-2006, 02:32 PM
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Quote:
Originally Posted by LiL Shoaf
A decently sized TMIC will support up to 400 whp but above that a FMIC is required.. I proved that already. Most "Tuners" generally don't shoot for more then 400whp so for most a TMIC will be sufficient...
I agree with that totally... figure out your goals and if they are over 400 whp then go to the fmic now.

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post #15 of 20 Old 07-22-2006, 05:31 PM Thread Starter
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my goal is about 400-450 awhp i have donesome homework andcameto the conclusion that a fmic will be the way i will go for the fact that i will be running about 15-17 pounds on that i have also been told by top shops in my area that when i do the down pipe up pipe combo i will gain 1.5 psi without tuning up the boost and if i go the cross pipe i will gain another .5 psi thats 2 psi just from the exhuats upgrades. the stock 06 wrx run 13.5 psi out of the box and dropps to 12.1 psi at redline so by the exhuast upgrade i should be at a steady 15.5 psi with a apexi avcr boost controller so the psi doesnt drop at high rpms.

iv also talked to cobb and turboxs and they all agreed that the apexi avcr is almost equivalent to thier products but apexi has the ability to up the boost at ## fingure tips.
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