how big is a big intercooler?

turboleg · Post by **turboleg** » Mon Mar 12, 2007 12:45 pm

So I found a FMIC with the following specs:

Core Size, 6.5" X 18.5" X 3.5"
Overall lenght 27.5"
2.5" inlet/outlet
760 CFM flow rate
510 HP efficient
1cfm @ 1.5 psi drop

What is good a "good" size? I'm starting out with the VF11 on the stock EJ22T for now. My initial guess would have been "go big or go home" but the more I think about it, the bigger the IC the more pressure drop, right? My eventual HP goal is 250 WHP will this be efficient enough once I'm done with upgrades?

Sorry if this seems like a stupid question....I'm still turbo stupid!

Thanks!

BAC5.2 · Post by **BAC5.2** » Mon Mar 12, 2007 3:30 pm

That's not a very large intercooler. I assume yours is height x length x width. I think mine was 13" x 27" x 3.5".

I wouldn't use an intercooler that big with a VF11, but you'll have to use a bigger turbo to make that much power anyway.

turboleg · Post by **turboleg** » Mon Mar 12, 2007 3:45 pm

Yes, sorry that is the height x length x width dimension.

turboleg · Post by **turboleg** » Mon Mar 12, 2007 4:57 pm

BAC5.2 wrote:That's not a very large intercooler. I assume yours is height x length x width. I think mine was 13" x 27" x 3.5".

I wouldn't use an intercooler that big with a VF11, but you'll have to use a bigger turbo to make that much power anyway.

Sorry..are you saying you wouldn't use a intercooler as big as yours (13" x 27" x 3.5") with a vf-11, or the dimensions that I stated?

azn2nr · Post by **azn2nr** » Tue Mar 13, 2007 1:42 am

mine is 30x4x12

Adam West · Post by **Adam West** » Tue Mar 13, 2007 2:14 am

Besides not fitting in where you want it physicall. when is an IC too big? Can it ever really be too big? Really? Why?

turboleg · Post by **turboleg** » Tue Mar 13, 2007 11:39 am

Not saying that I'm correct in my assumption...

My assumption was that since a larger IC would take a larger amount of air to fill the space it would require a higher flowing turbo to fill the volume. So in other words unless you have a huge turbo you wouldn't really gain much out of a big IC. The pressure drop would be too great for a smaller turbo. A large intercooler with a small turbo would be like a 1/2 hp single stage air compressor hooked to a 100 gallon tank...it would take forever to fill it to X psi. Whereas a 100 hp screw compressor hooked to a 3 gallon tank would take no time at all to crank up the pressure...it too would be inefficient.

Its definitley not a perfect relationship to turbo's and intercoolers but it makes sense to me...thats just what I'm used to working on.

NICO · Post by **NICO** » Tue Mar 13, 2007 1:47 pm

THE BIGGER THE BETTER!!!!!!! DO IT BIG OR GO HOME LOL.

turboleg · Post by **turboleg** » Tue Mar 13, 2007 1:51 pm

So basically I guess what I want to know is will the formentioned IC do the job on my VF11?

I don't have a problem pulling that IC out and installing a new one with all new piping when I get a bigger turbo.

BAC5.2 · Post by **BAC5.2** » Tue Mar 13, 2007 2:40 pm

It'll work fine.

turboleg · Post by **turboleg** » Tue Mar 13, 2007 2:49 pm

Thanks!

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how big is a big intercooler?

how big is a big intercooler?