Why did the impreza come standard with a TMIC ?
09 January 2007, 10:31 PM
#1
Why did the impreza come standard with a TMIC ?
i mean,everyone changes it for a FMIC when they push the bhp up, even turbo diesel vans have a FMIC, so why the intercooler under the scoop if its so poor at getting the charge temps down at high speed etc ?
save money, let the punter fix their errors ?????????
any thoughts
save money, let the punter fix their errors ?????????
any thoughts
09 January 2007, 10:43 PM
#3
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laziness by subaru me thinks as they have got away with it without anyone kicking off and using up old parts bin parts (how many car manufacturers still use the same engine design from 1992 when they first released the impreza) as mush as i love the scooby they could do with a few updates 
09 January 2007, 10:44 PM
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i mean,everyone changes it for a FMIC when they push the bhp up, even turbo diesel vans have a FMIC, so why the intercooler under the scoop if its so poor at getting the charge temps down at high speed etc ?
save money, let the punter fix their errors ?????????
any thoughts
save money, let the punter fix their errors ?????????
any thoughts
Why didn't Subaru make versions to compete with Mitsi Evo"s?
I appreciate not everybody wants to drive a tarmac eater, but as for the newage STI, a few simple mods, and no doubt the fmic fitted also would easily produce 350/350. Then we wouldn't live in the Evo shadow.
09 January 2007, 10:46 PM
#6
Fwdnutz,
I am interested in to why you think the concept of using a TMIC intercooler for a road car at the levels that most cars are either turned out of the factory or tuned to (normal kind of levels, say up to 350bhp) is lazy?
Not a dig, just a genuine question.
I am interested in to why you think the concept of using a TMIC intercooler for a road car at the levels that most cars are either turned out of the factory or tuned to (normal kind of levels, say up to 350bhp) is lazy?
Not a dig, just a genuine question.
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09 January 2007, 10:56 PM
#8
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because subaru are as guilty of parts bin bodging as any manufacturer, i have heard storys of sti`s being fitted with cast pistons because they had no forged ones left whilst car was on the line,
so if they can do this then i think their attitude towards change is poor!
also for your information i have fitted a fmic to my scoob and have hardly any det compared to tmic causing hot air to be pumped in causing det. put a knock sensor on your car and rag it around for a while then park up let the intercooler heat soak then rag it again and watch the knock sensor light up like a xmas tree!
so if they can do this then i think their attitude towards change is poor! also for your information i have fitted a fmic to my scoob and have hardly any det compared to tmic causing hot air to be pumped in causing det. put a knock sensor on your car and rag it around for a while then park up let the intercooler heat soak then rag it again and watch the knock sensor light up like a xmas tree!
09 January 2007, 11:04 PM
#9
fwdnutz,
My car is producing around 380bhp at 1.7bar of boost with the standard STi TMIC. The car has been ran on track in one instance for 60 laps in this state of tune under approximately 27deg ambient temps. I have full datalogging facilities as well as an in car knock link..... never seen any det ever because of an intercooler issue in over 10k miles of use.
IMHO the Newage TMIC is very effecient, although I fully appreciate other versions (previous) are not as good (like on the classics).
My car is producing around 380bhp at 1.7bar of boost with the standard STi TMIC. The car has been ran on track in one instance for 60 laps in this state of tune under approximately 27deg ambient temps. I have full datalogging facilities as well as an in car knock link..... never seen any det ever because of an intercooler issue in over 10k miles of use.
IMHO the Newage TMIC is very effecient, although I fully appreciate other versions (previous) are not as good (like on the classics).
09 January 2007, 11:08 PM
#10
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Mostly It will be down to cost and ease of manufacturing. with a topmount the intercooler and all associated pipe work can be attached to the engine before it is put into the car. And thankfully I have a topmount on my car. As the roads around here are quite bad, And if you look at the front of my car and the amount of damage done by road debris. I`m sure a front mount would of been severly damaged by now.
Jase
Jase
09 January 2007, 11:14 PM
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well in that case m8 you must be one of the lucky ones eithor that or you knock sensor is faulty! if your happy with that then i am pleased for you but if you decide to run higher level of boost/bhp then you will almost certainly need a fmic.
i was`nt having ago i just believe like many others that its about time subaru made an effort, the only other tmic i have seen is on the nissan sunny pulsar gtir and even these get a fmic fitted when they get tuned so if no one else is fitting them doesn`t that tell you something, 
i was`nt having ago i just believe like many others that its about time subaru made an effort, the only other tmic i have seen is on the nissan sunny pulsar gtir and even these get a fmic fitted when they get tuned so if no one else is fitting them doesn`t that tell you something,
09 January 2007, 11:22 PM
#13
fwdnutz,
Not trying to have a dig at you either, just interested in others findings.
As regards to being lucky.... not sure about mate.
I doubt that my knock sensor and knock link (on separate sensor) and DET cans used on my car have been faulty!
The standard Newage TMIC is also man enough for at least 420bhp.... albeit on a more effecient turbo.
The Pulsar GTIR top mount is pants by all accounts, not that I know from personal experience though.
Not trying to have a dig at you either, just interested in others findings.
As regards to being lucky.... not sure about mate.
I doubt that my knock sensor and knock link (on separate sensor) and DET cans used on my car have been faulty! The standard Newage TMIC is also man enough for at least 420bhp.... albeit on a more effecient turbo.
The Pulsar GTIR top mount is pants by all accounts, not that I know from personal experience though.
09 January 2007, 11:28 PM
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09 January 2007, 11:32 PM
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eh! have you ever lifted the bonnet of scoob the flat four yes is a wide engine but it also has one of the shortest crancks used in a production four cylinder to date so front space is not an issue its not exactly a v12 is it 
09 January 2007, 11:33 PM
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I think the Top mount is actually quite efficient - up to a point, i mean the latest Litchfield Type 25 is pushing over 400bhp yet retains the top mount, however another buddy of mine who also owns a Spec 'C' and is also pushing 400bhp with the standard STi top mount, yet now he is going over the 500 bhp mark he told me he had to go the FMIC route.
I read an interesting article in a mag recently where they tested different makes of FMIC - needless to say the cheapo ones off e-bay performed very poorly - in fact worse than the top mount.
Its my belief though if your going over 400 bhp mark a FMIC is a wise choice if only for safety - up to this power level i think a top mount will be fine.
Sorry if you disagree Fwdnutz
but anything that helps keeping the engine cool has to be a good thing.
Shaun do you have Intercooler lifters and a Splitter on your car?
I read an interesting article in a mag recently where they tested different makes of FMIC - needless to say the cheapo ones off e-bay performed very poorly - in fact worse than the top mount.
Its my belief though if your going over 400 bhp mark a FMIC is a wise choice if only for safety - up to this power level i think a top mount will be fine.
Sorry if you disagree Fwdnutz
but anything that helps keeping the engine cool has to be a good thing.
Shaun do you have Intercooler lifters and a Splitter on your car?
09 January 2007, 11:39 PM
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impreza 06 sti ppp max speed 158mph 0-60 4.8 secs
evo ix fq 360 max speed 160mph 0-60 3.9secs
stats taken from jap performance mag road test results
evo ix fq 360 max speed 160mph 0-60 3.9secs
stats taken from jap performance mag road test results
09 January 2007, 11:39 PM
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09 January 2007, 11:46 PM
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But the STi PPP is only running 320bhp ish and tbh 0-60 times are more than just brutal horsepower - power delivery and gearing also play a part.
anyway FWDNUTZ are you saying its all down to the EVO having a FMIC?
09 January 2007, 11:46 PM
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10 January 2007, 12:05 AM
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No what i am getting at is that the evo is still a two litre "production" car for the uk and the sti 06 has had a ppp kit fitted on a 2.5 litre block and its still slower, which answers the who`s playing catch up question!
as for tmic it works well for some but ask yourself why all the top tuners use Fmic if the tmic was better surely that would be their first choice?
as for tmic it works well for some but ask yourself why all the top tuners use Fmic if the tmic was better surely that would be their first choice?
10 January 2007, 12:08 AM
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They use a FMIC when power outputs surpass a certain level i.e. 400+
Dales Spec C never needed it and he ran just short of 400bhp with no probs whatsoever ok now obvioulsy he's going for 650+ he will need that extra cooling.
Dales Spec C never needed it and he ran just short of 400bhp with no probs whatsoever ok now obvioulsy he's going for 650+ he will need that extra cooling.
chief should be interesting to see end results 