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Old 02-21-2008, 03:27 PM   #1
anthonyrb98
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Default does the v7 sti tmic have more fin rows than the usdm sti tmic?

i'm having probems trying to research the differences between the v7 sti tmic and the usdm sti tmic. i know the v7 tmic is supposedly much bigger than the usdm tmic, but after looking at pictures of both, it appears they both have the same # of fin rows? if that is the case, then how is it that the v7 tmic supposedly flows more than the sti tmic? i'm guessing the # of rows is the same, but the v7 core size is just bigger? any comparison pics? i would love to see the v7 sti tmic next to a usdm unit.
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Last edited by anthonyrb98; 02-21-2008 at 03:42 PM.
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Old 02-21-2008, 04:15 PM   #2
twizzstyle
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I'm not sure it flows better, I think it just cools better because its larger (more surface area)
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Old 02-21-2008, 04:25 PM   #3
JCooper702
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Do a search. I think in Unabombers TMIC faq it shows a side by side comparison of the USDM and JDM STi intercoolers.
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Old 02-21-2008, 06:34 PM   #4
thrasher
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15% larger sticks in my mind
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Old 02-21-2008, 07:27 PM   #5
ezzzey
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Quote:
Originally Posted by thrasher View Post
15% larger sticks in my mind
bigger iC doesnt mean itll work better... if its to big to much pressure drop... it should be matching with the turbo.... so dont get a iC x2 big as the sti thinking itll work wonders.
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Old 02-21-2008, 07:44 PM   #6
IIdiceII
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i think subaru did their research when they made the i/c's...15% larger isnt like putting on an aps fmic with a stock turbo.
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Old 02-21-2008, 07:49 PM   #7
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I have a JDM STi TMIC and it provided gains over the eBay TMIC which has shown gains over a USDM STi TMIC.
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Old 02-22-2008, 01:51 AM   #8
Buster05
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I had a Ver 7 JDM TMIC on for a while and when I sold it I borrowed a USDM STI TMIC and could feel the difference. If you really want a good one go to japan parts and check out the spec C TMIC, awesome TMIC for the money and is good up to an 18g.

And to answer the OP, yes it does have more rows. its almost an inch taller.
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Old 02-22-2008, 01:56 AM   #9
anthonyrb98
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so the length is the same, but the v7 one is wider...
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Old 02-22-2008, 03:00 AM   #10
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Quote:
Originally Posted by anthonyrb98 View Post
so the length is the same, but the v7 one is wider...
The other way. Width is the same, length (front to back ) is approx 17mm longer.

So it has the same number of rows but the rows are longer. And its not any thicker. The only reason the US got a smaller one is due to the DBW TB being longer than the std TB.
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Old 02-22-2008, 06:57 AM   #11
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spec c or not, jdm ones are same

V7 is the biggest
V8 is little smaller (still bigger than USDM)
V9 has improved design for better air flow
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Old 02-22-2008, 10:14 AM   #12
JCooper702
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I've got a JDM STi topmount on my WRX. It is Stg 2 (not protuned) and I think I could feel a little difference when going from my stock TMIC to the Ver 7 TMIC.
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Old 02-22-2008, 09:16 PM   #13
anthonyrb98
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Quote:
Originally Posted by GDR View Post
The other way. Width is the same, length (front to back ) is approx 17mm longer.

So it has the same number of rows but the rows are longer. And its not any thicker. The only reason the US got a smaller one is due to the DBW TB being longer than the std TB.
this answered my original question perfectly. thanks!
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