hi guys, not posted on here for a while, wanted some info, had my impreza at a rolling road on saturday, great day, managed too make 318bhp, all thats done too my car is a hi power hks 3"catback system and a hks induction kit, any how the guy told me the cars running pretty lean, does anyone know how to solve this, i dont think its a bad thing but any advice would be great,

 

what year ?

 

Has the car been mapped? Its normally the induction kit causing an airflow change at the air flow metre that causes a problem. A map is the safest and best way to cure your problem and may even give more power. Certainly it will be a better drive through the midrange

 

its a version 4 98 r reg, its no mapped and its still restricted to 112mph

 

not mappable you need a ecu to further sorry to say

 

318 bhp and not mapped???? this cant be right can it

 

That will be the problem. Trouble with the 97/98 cars is the o/e ecu cant be mapped yet. Gonna need an afternarket ecu. Apexi,simtek or similar

 

my next door neighbour got 348bhp without a map out of his sti v3

 

its defo standard apart from the mods a mentioned, av got the print out and its defo 318bhp lol, cars runs perfect, are they mappable ecus expensive? next mods are front decat and front mount intercooler

 

Wouldnt have been anywhere near standard and would have been either a bad rolling road or running like a bag of spanners, not a chance on the standard ecu!

OP, if the car is running lean its not very good, actually its very bad, it means the car is probably detting at some point, det kills engines, your options are to revert back to standard and save the engine or get an after market ecu fitted and mapped, which should save the engine, otherwise it will go bang at some point due to it leaning out

Tony

 

dont know what roller it was on but been told they can be out a lot the car did feel quick and i never sore the printout

 

348 bhp without a map??? come on guys ,, is this a leg pulling thread,,...

 

it will make more power being lean.. the best power on petrol is leaner than would be sensible to run, it will melt a piston or exhaust valvee due to heat, the induction kit, decat and possible old fuel pump will cause it to run leaner.

Refit original air box if you have it or get it mapped

Simon

 

easy to make big power from them but may not last long if driven properly

 

You not answering your messages simon m8?

sorry to nick the thread.

 

next on my list

 

thats what im getting at, we can all bolt things on but surley they must know that it will be running way out and killing the lump who would build such a car without getting it fuelling correcty(map)

 

it was a good spec car but he didnt want to spend a grand on a ecu sold it now though i've not seen the print out but 48bhp over standard aint that much

 

they arent 300 standard on a decent dyno

 

i thought v3 sti's we're ? not saying i'm right but i read it somewhere

 

V3 sti were 280 ps or 276 bhp when run on japanese 100 ron fuel.As an example my postman has had a P1 for 9 years. He has run the car on shell ultimax(v power) for the last 9 years,when he took it to scoobyclinic in 2003 for a remap, the car was initially running 256 bhp,and produced 292 bhp after the remap.

 

280PS = 276bhp

 

Simon - snap

 

lol