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How much boost will a STI8 TMIC take

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Old 21 March 2007, 07:22 PM
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cookstar
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Default How much boost will a STI8 TMIC take

Have heard they can break up under too much boost, is this true
Old 21 March 2007, 07:28 PM
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Wouldnt use one over 300-350bhp mate to be honest
Thought you would have had a FMIC or uprated top mount ie hyperflow or APS
Old 21 March 2007, 07:31 PM
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am considering going for APS front mount, but money is the restriction now, new engine bill is coming in at 5K+
Old 21 March 2007, 07:38 PM
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Originally Posted by cookstar
am considering going for APS front mount, but money is the restriction now, new engine bill is coming in at 5K+
I would go for the Lateral FMIC or Hyperflow Moster front mount mate if paying that sort of money on an engine.

Must be a beast of an engine, what is it?
Old 21 March 2007, 07:47 PM
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swifty.....!
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the sti top mount is a good intercooler and can run 390bhp so will be able to handle your tdo5 16g
Old 21 March 2007, 07:50 PM
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Originally Posted by swifty.....!
the sti top mount is a good intercooler and can run 390bhp so will be able to handle your tdo5 16g
might be able to run 390bhp but not efficiently mate so that is bollox
im sure paying 5k on an engine you wont want to be running one
Old 21 March 2007, 07:55 PM
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MD321T has been ordered
Old 21 March 2007, 07:56 PM
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Originally Posted by cookstar
MD321T has been ordered
Nice, i think someone is looking to get 400+bhp am i correct?
Old 21 March 2007, 07:57 PM
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Originally Posted by scoobboy
might be able to run 390bhp but not efficiently mate so that is bollox
im sure paying 5k on an engine you wont want to be running one
sorry mate i can only go on info i have and cars mapped with the sti top mount have a look here AndyForrestPerformance which andy says is capable of over 380bhp.
and RLE on here has his car running at over 380
but i'm sure you must know better
Old 21 March 2007, 08:01 PM
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the type25 has 400+ with STI top mount
Old 21 March 2007, 08:07 PM
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Originally Posted by cookstar
the type25 has 400+ with STI top mount
like i said before alot of the tuners say 400 is in its range
Old 21 March 2007, 08:09 PM
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Cookstar read some previous posts on comparing fmic to top mounts.

Im sure 400bhp is possible yes but im sure acts and heatsoak would be high

There are various threads

ie this one https://www.scoobynet.com/general-te...c+vs+top+mount

Im sure andy forrest would recommend a fmic to an sti8 running 400bhp

Im running 400bhp Cookstar on my STI 7 and have replaced the STI intercooler for a Hyperflow as massive in comparison volume wise and far more efficient.

If i decide to go for around 450-500bhp mark will invest in a Lateral FMIC or Hyperflow monster front mount

Last edited by scoobboy; 21 March 2007 at 08:12 PM.
Old 21 March 2007, 08:14 PM
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400s fine and on that turbo youd only need about 1.5bar to do it. No problems there....

A top mount car only really suffers in stop start situations, if the cars moving most of the time then it should be fine?
Old 21 March 2007, 08:15 PM
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I plan to have 450/450 so it looks like fm is inevitable
Old 21 March 2007, 08:59 PM
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if your staying 2.0 dont expect 450lbft....(not sure what your engien plan is tho so i apologise if thats wrong!)
Old 21 March 2007, 11:33 PM
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My StiV3 ran (at Well Lane) 407 bhp on a 20g at 1.5 bar.
After 3 consecutive runs on the RR the power dropped off due to heat build up.
I went to a Hybrid FMIC and the car is much much better as it can tolerate far more lengthy runs at full chat (I race the car) and at 1.6 bar.
Start line heat soak does not exist.

Go straight to a FMIC, £450.
Old 21 March 2007, 11:51 PM
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persona;lly after trying lots of intercoolers !! the aps dr725 is in a different league and will save your car more than an sti8 intercooler !! plus you will get so so much better figures !!
Old 22 March 2007, 12:29 AM
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As mentioned above, a TMIC can give you the figures you want, especially if all you're interested in is a one-shot 'headline' power figure. But the power you WANT to have is what can be sustained, day in day out, under all conditions. Hit your power target with a FMIC and it's reliable, repeatable, useable power.
Old 22 March 2007, 12:43 AM
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i ran my old old car with a 20g turbo and a sti8 tmic and it was hitting 90 on the power fc commander due to a faulty maf sensor !! i then changed the tmic to an HKS fmic all the knock dissapeared !! the maf was still faulty but the chance of blowing my engine up was gone
Old 22 March 2007, 01:02 AM
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Cookie

I'd go for a FMIC but if funds are tight how about water injection / aquamist ......

Shaun
Old 22 March 2007, 01:17 AM
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still undecided, maybe leave it another month and go fm
Old 22 March 2007, 07:49 AM
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Wise cheaper-in-the-long-run dicision
Old 22 March 2007, 09:20 AM
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Cookie, Fit an air charge temp gauge and actualy see what temps your getting. If you see heat soke etc. or issues when running, then change to FMIC. Otherwise leave as is.
If your planning lots of track use, then FMIC could very well be the way to go, but make sure you pick a good one, as some FMIC will see higher charge temps than the STI TMIC.
For the sake of a cheap gauge, you can arm yourself with the right informtaion as seen in your car with your conditions.
Old 22 March 2007, 09:51 AM
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Originally Posted by swifty.....!
sorry mate i can only go on info i have and cars mapped with the sti top mount have a look here AndyForrestPerformance which andy says is capable of over 380bhp.
and RLE on here has his car running at over 380
but i'm sure you must know better
mmm.....

I think the rest of the guys have cleared things up now and advised that you can run the top mount on 400bhp but it is a better more reliable option to go for the FMIC. Thanks for the even though you were being sarcastic as have been there done that running various top mounts and front mount options
Old 22 March 2007, 09:56 AM
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Yeah your right there are a few bad ones on ebay and stuff and some cheap tube intercoolers, I had the hybrid FMIC on my old classic which was a good option from Harvey Smith but if i was doing it again i would say Lateral, APS or Hyperflow FMIC
Old 22 March 2007, 10:12 AM
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or you could always fit one of these APS Dual Entry Intercooler

this will be in the for sale section in the next few weeks, once i come back from the "Ring"

regards "MADDOG"
Old 22 March 2007, 02:16 PM
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I have just put on a splitter, temps are at least ambient or below on a run (as tested so far) and temps drop very quickly after standing.
Its for a classic to sti8 upgrade and is adjustable so the whole core gets a good airflow through it.




PS: running 1.4-1.5 bar vf28 (still holding fine)

Last edited by Power Junkie; 22 March 2007 at 02:28 PM. Reason: info
Old 22 March 2007, 02:23 PM
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Originally Posted by MADDOG";6770378]or you could always fit one of these [URL="http://www.airpowersystems.com.au/wrx/apswrx-tmi06/tmic.htm
APS Dual Entry Intercooler[/URL]

this will be in the for sale section in the next few weeks, once i come back from the "Ring"

regards "MADDOG"

hi mate, what kind of money are you after for the ic
Old 22 March 2007, 04:12 PM
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Cookstar

i went from



to




do your self a favour and go front mount, fit your self as its not to difficult
save money in the long run
Old 22 March 2007, 04:31 PM
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Originally Posted by Power Junkie
I have just put on a splitter, temps are at least ambient or below on a run (as tested so far) and temps drop very quickly after standing.
Its for a classic to sti8 upgrade and is adjustable so the whole core gets a good airflow through it.




PS: running 1.4-1.5 bar vf28 (still holding fine)
Where did you source the splitter?


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