fmic
16 November 2007, 05:54 PM
#1
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fmic
hi guys been trying to find out all afternoon about, is it worth fitting one 2 a 03 sti as some people as saying the standerd tmic sti are up to the job also what are the loss or gain /benifits 
running 340brake looking for up to or near 400bhp in few months
running 340brake looking for up to or near 400bhp in few months
16 November 2007, 06:13 PM
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Still o.k. around 400 bhp, but an FMIC looks nice....
I got one but it's not nice when you shut the throttle quickly the car "shudders", I think due to air-flow problems.... then there is the lag, it doesn't go away. You just have to use the gears properly !
Dunx
P.S. When you really give it some on a hot day the TMIC can't cope and "backs off" the power to save the engine.... FMIC doesn't that's a plus !
I got one but it's not nice when you shut the throttle quickly the car "shudders", I think due to air-flow problems.... then there is the lag, it doesn't go away. You just have to use the gears properly !
Dunx
P.S. When you really give it some on a hot day the TMIC can't cope and "backs off" the power to save the engine.... FMIC doesn't that's a plus !
16 November 2007, 10:36 PM
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Not completely, mine is dead at 30 mph in top, you have to use the gears or it will take all day to reach positive boost, and then all hell breaks loose 
Overall mine isn't 100% user friendly, but boy does it shift !
Cos I can't afford to change my car I'm gradually heading for 400 bhp, so bought the biggest FMIC on the market.... next headers and a Ball Bearing turbo, and that needs another re-map....
but hope it doesn't require bigger injectors.
Dunx
Overall mine isn't 100% user friendly, but boy does it shift !
Cos I can't afford to change my car I'm gradually heading for 400 bhp, so bought the biggest FMIC on the market.... next headers and a Ball Bearing turbo, and that needs another re-map....
but hope it doesn't require bigger injectors. Dunx
17 November 2007, 12:18 AM
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so worth having if i am going for new turbo and remap so i can reach 400mental horseys also thinking porting headers
also thinking porting headers
17 November 2007, 08:36 AM
#6
worth keeping in mind that on an 03sti you will have to chop the big fat (metal) cross member just behind the bumper into bits, and it may not be as strong structurally in a collision. All except the very, very expensive front mounts seem to require this modification.
I'd stay on TMIC up to 400bhp (this is what e.g. Andy Forrest recommends, I believe).
I'd stay on TMIC up to 400bhp (this is what e.g. Andy Forrest recommends, I believe).
17 November 2007, 09:11 AM
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cheers m8 but must be something that can be fabricated to strenghen back up
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17 November 2007, 11:04 AM
#9
worth keeping in mind that on an 03sti you will have to chop the big fat (metal) cross member just behind the bumper into bits, and it may not be as strong structurally in a collision. All except the very, very expensive front mounts seem to require this modification.
I'd stay on TMIC up to 400bhp (this is what e.g. Andy Forrest recommends, I believe).
I'd stay on TMIC up to 400bhp (this is what e.g. Andy Forrest recommends, I believe).
And as Henrik rightly says, many FMICs require you to chop out the metal cross member behind the bumper. When I ditched my FMIC to go back to TMIC, this was the first thing I put right - definitely structurally weaker
17 November 2007, 11:17 AM
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Mine's gone completely !
Haven't noticed any structural compromise tbh.... too busy "hanging on"
Dunx
Do have a front strut brace on it tho'
Haven't noticed any structural compromise tbh.... too busy "hanging on"
Dunx
Do have a front strut brace on it tho'
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