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Hey guys,

Ive been informed by a pretty knowledgable person pumping out a nice 240kws from a 4 door 34 that I dont need a FMIC if im not making 200+kws ..

Hes told me yes the 32 aND 33 greatly benifit from a FMIC whereas the 34 will be hampered with such a big FM is this true? i plan to get a blitz LM Fm and run to stock piping to reduce lag but dont want to lose alot of power.. I wont be using a powerfc just a S-afc Neo to re-tune the air flow/fuel as all im going to do engine wise is exhaust extension to from the turbo (currently runs 4" from cat and 4.5" dump) and looking at high flow 5" cat and twin dump/front

Also gettin Cold air intake box and pod.. and thats all ill be doing to the engine..

with exception to the fmic which im tossing up .. hes informed me that unless i wack in injectors and turbos etc I wont need to upgrade and im pretty confident hes right.?!

So what do you all think?

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https://www.sau.com.au/forums/topic/165840-does-r34-need-a-fmic/
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Big FMIC create LAG. The SMIC on the 34 is better than that of the 33 or 32.

Get your SMIC flushed and cleaned (if your car has had its fair share of km) and then you will find it will be quite adequate for 200kw.

Get a Intercooler rated under 550hp and you should be fine in terms of lag. Not sure where the LM intercoolers are good for.

Edited by Pauly33GTS-t

All depends on what you want from the car...how much power you want to make and what do you want to use the car for...one thing is for sure...a fmic will NOT hamper the car if you get a good system on there......get an fmic anyway...doesn't have to be massive...cooler air can't hurt...

Edited by limpus

The R34 SMIC is supposed to be good at up to around 200rwkw. I've got just a bit more than that and I'm still using the stock SMIC. I think I will need to get a smallish FMIC when summer comes around as its very borderline now on hotter days with detonation and loss of performance. It's fine when its in the low 20's or cooler though.

With your level of modifications at the moment the R34 SMIC will be fine, don't bother upgrading the IC.

Edited by JustinP

I find it best to have your car setup for what u want it for...

If u are looking at keeping stock turbo and pushing no more then 220kw then keep your stock SMIC.

Their are a few benefits to getting a frount mount and the main one i would say is its there for when u want to upgrade to more power. But you could save your money (for now) and keep the stock SMIC which will be perfectly fine for 220rwkw. And you wont get heat soak with it. With the setup you have described the stock SMIC will be fine and cheaper!

But if you do choose to get a FMIC, let me know and i will be more then happy to buy your SMIC off you!!

Edited by bluey33

As everyone else has said, stockers are supposed to be good for 200kws but I definitely don't agree with the lag comments because I have no (noticeable) lag with my ARC core.

Edited by so_tred

The difference in the stock cooler from the 33 to the 34 is its width... They do come with a SMIC from factory.

This is what one looks like.

http://www.skylinesaustralia.com/forums/in...427&hl=SMIC

The R34 Smic is rated to about 230kw atw and is a direct bolt on for the r33.

I just put in a r34 smic and hoping to reach the 200kw mark.

Although ive noticed that touching the smic after a long drive, it is quite warm. Whereas a fmic would be much colder.

If you are getting a doluck frontbar it might look a bit odd having a large gap in the front with no fmic there. Unless you mesh it up.

If you have no worries about the legalities of an fmic (in terms of cutting holes to pass piping if needed) then id go ahead with the fmic, esp with the front bar.

Sell off the r34 smic for $200~ to a R32/R33 owner :closedeyes:

http://www.skylinesaustralia.com/forums/in...howtopic=158811

^^^^^^^^hah you should really do a search but, fmic - front mount intercooler, smic - side mount intercooler

Ah, ok, thats easy enough, I've just never heard of those things in acronym form....

Leave the stock intercooler there for now. Until you are ready to go large power upgrades (bigger turbo), then work out what you are aiming at purpose wise.

The factory R34 intercooler offers better response over larger upgrade variants, the efficiency at your power levels can't really be improved on.

The whole lag issue is missunderstood. Even without going into the realm of it, if you spend money on something that doesn't make your car go faster then we call that a waste of money?

I would certainly look at the blitz/ARC or whatever once you decide you need a bigger turbo. Then you have an idea of the power goals and use for the car which will help you pick out the right brand/core type/size of intercooler.

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