safe boost
03 July 2005, 12:26 AM
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Originally Posted by willfal
which impreza do you have mate. Year and model.?
Will
Will
03 July 2005, 12:28 AM
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Originally Posted by stuartf3700
i have a my00 turbo. classic shape. 5 door. got cat back stainless and cotton green filter replacement.
Cookie
03 July 2005, 12:39 AM
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not to sure. only found out today that it wasn't working right. had a kink in the pipe. So not to sure at the moment. is there actually a normal running boost. never had a scooby before so not to sure.
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03 July 2005, 12:57 AM
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i'm assuming your car is a UK model? so with that in mind i believe the boost should be 11.47psi, dropping to 9.47psi after 6500rpm ish. With Fuel-cut @ 14.87psi
i believe the Jap cars run more boost on 1995/6 models on but only very slightly, just over 1psi more i think.
someone may correct me as i have this sneeky feeling the newer uk models had a slight boost increase as well.
Will
i believe the Jap cars run more boost on 1995/6 models on but only very slightly, just over 1psi more i think.
someone may correct me as i have this sneeky feeling the newer uk models had a slight boost increase as well.
Will
03 July 2005, 01:06 AM
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Originally Posted by willfal
i'm assuming your car is a UK model? so with that in mind i believe the boost should be 11.47psi, dropping to 9.47psi after 6500rpm ish. With Fuel-cut @ 14.87psi
i believe the Jap cars run more boost on 1995/6 models on but only very slightly, just over 1psi more i think.
someone may correct me as i have this sneeky feeling the newer uk models had a slight boost increase as well.
Will
i believe the Jap cars run more boost on 1995/6 models on but only very slightly, just over 1psi more i think.
someone may correct me as i have this sneeky feeling the newer uk models had a slight boost increase as well.
Will
i'll have a look tomorrow. yes you are right it is a uk car. so do you know if there is a cut of point apart from the one just stated. i mean one that wont do any damage?
03 July 2005, 01:12 AM
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i dont believe there is mate, and it's very easy to get around the fuel cut off, maybe your car has a super chip fitted which is a fuel cut contoller blown up in price.!!
although aftermarket controllers can be bought for very little money.
i myself am planning on putting the boost up on my own Uk 1995 car, i actually tried it today with a dawes device but i think i was puttng it in all wrong... when i do get it sorted i wont be putting the boost over 14psi.
Will
although aftermarket controllers can be bought for very little money.
i myself am planning on putting the boost up on my own Uk 1995 car, i actually tried it today with a dawes device but i think i was puttng it in all wrong... when i do get it sorted i wont be putting the boost over 14psi.
Will
03 July 2005, 01:21 AM
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Originally Posted by willfal
i dont believe there is mate, and it's very easy to get around the fuel cut off, maybe your car has a super chip fitted which is a fuel cut contoller blown up in price.!!
although aftermarket controllers can be bought for very little money.
i myself am planning on putting the boost up on my own Uk 1995 car, i actually tried it today with a dawes device but i think i was puttng it in all wrong... when i do get it sorted i wont be putting the boost over 14psi.
Will
although aftermarket controllers can be bought for very little money.
i myself am planning on putting the boost up on my own Uk 1995 car, i actually tried it today with a dawes device but i think i was puttng it in all wrong... when i do get it sorted i wont be putting the boost over 14psi.
Will
could you post the details of the before mentioned and a pic if poss so i can see if i have one. thanks and if you can a pic of where your boost guage is connected to. (not an expert but mine dont look right)
stu.
03 July 2005, 01:30 AM
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to be honest mate, i have no idea if 14psi is safe or not...subaru have not given any leeway in my eyes for tuning these things. i've owned cossies, Gtirs and celicas and all were, or at least seem to be more tunable in standard trim than the scoob i have now.
i dont want to blow the thing up either but i cant live with it the way it is just now... it's soooooooo slow. but in saying that all 3 previous cars were over 320bhp the cossie being the highest at over 360, so i dare say it is slow compaired to those.
Will
i dont want to blow the thing up either but i cant live with it the way it is just now... it's soooooooo slow. but in saying that all 3 previous cars were over 320bhp the cossie being the highest at over 360, so i dare say it is slow compaired to those.
Will
03 July 2005, 01:46 AM
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Originally Posted by willfal
to be honest mate, i have no idea if 14psi is safe or not...subaru have not given any leeway in my eyes for tuning these things. i've owned cossies, Gtirs and celicas and all were, or at least seem to be more tunable in standard trim than the scoob i have now.
i dont want to blow the thing up either but i cant live with it the way it is just now... it's soooooooo slow. but in saying that all 3 previous cars were over 320bhp the cossie being the highest at over 360, so i dare say it is slow compaired to those.
Will
i dont want to blow the thing up either but i cant live with it the way it is just now... it's soooooooo slow. but in saying that all 3 previous cars were over 320bhp the cossie being the highest at over 360, so i dare say it is slow compaired to those.
Will
so can you or have you got a photo of where your boost guage is fitted. would be appreciated if you have. post them or mail me.
thanks for your help.
stu
03 July 2005, 01:49 AM
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i dont just now, but i will get you one tomorrow.
on top of the inlet manifold (now the 1995 car is different to yours i belive) anyway there is 3 pipes just below the intercooler on the inlet manifold. the middle one is the one i have t-eed my boost gauge into.
Will
on top of the inlet manifold (now the 1995 car is different to yours i belive) anyway there is 3 pipes just below the intercooler on the inlet manifold. the middle one is the one i have t-eed my boost gauge into.
Will
03 July 2005, 01:57 AM
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Originally Posted by willfal
i dont just now, but i will get you one tomorrow.
on top of the inlet manifold (now the 1995 car is different to yours i belive) anyway there is 3 pipes just below the intercooler on the inlet manifold. the middle one is the one i have t-eed my boost gauge into.
Will
on top of the inlet manifold (now the 1995 car is different to yours i belive) anyway there is 3 pipes just below the intercooler on the inlet manifold. the middle one is the one i have t-eed my boost gauge into.
Will
what you think
stu
03 July 2005, 02:02 AM
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the module you refer to is the solenoid valve the pipe comes from the actuator into that contraption and as far as i'm aware it shouldn't be a problem having it tee'd in there.
although personally i wouldn't have done that.
Will
although personally i wouldn't have done that.
Will
03 July 2005, 02:06 AM
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Originally Posted by willfal
the module you refer to is the solenoid valve the pipe comes from the actuator into that contraption and as far as i'm aware it shouldn't be a problem having it tee'd in there.
although personally i wouldn't have done that.
Will
although personally i wouldn't have done that.
Will
stu
03 July 2005, 02:09 AM
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Originally Posted by TonyBurns
You dont want to run more than about 1.2 bar peak, a remap would be better though.
Tony
Tony
03 July 2005, 10:23 AM
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Originally Posted by stuartf3700
how would i go about doing that then? and what makes it a better option. i'm also looking at doing more mods, what would be the next step?
Whats 1.2 bar in psi? Just titted gauge to my version 5 wrx and getting about 15 psi.
03 July 2005, 10:27 AM
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03 July 2005, 10:50 AM
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[img]file:///C:/Documents%20and%20Settings/User/My%20Documents/My%20Webs/Chiark%20Gauges%20%20Boost%20gauge_files/boost.jpg[/img]
Dont know if that picture will appear I'll get it into my gallery and post again anyway. My RB5 has standard boost and after thorough testing yesterday after install of gauge mine is boosting 12.5 to 13 psi steady. Getting a boost controller to up to 14 this week though. Tried friends old one yesterday but think it was knackered as was getting overboost all the time.
Dont know if that picture will appear I'll get it into my gallery and post again anyway. My RB5 has standard boost and after thorough testing yesterday after install of gauge mine is boosting 12.5 to 13 psi steady. Getting a boost controller to up to 14 this week though. Tried friends old one yesterday but think it was knackered as was getting overboost all the time.
03 July 2005, 10:54 AM
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http://www.chiark.com/scooby/gauges_boost.asp
Try this page, gives an excellent guide. Rest of site is pretty good too
Try this page, gives an excellent guide. Rest of site is pretty good too
03 July 2005, 12:19 PM
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Originally Posted by TonyBurns
Mods and remap are your best way, depends on where your going with your mods though, what do you have in mind?
Tony
Tony
Any suggestions where to go next. only had it for a month or so.
03 July 2005, 12:28 PM
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Get use to the way the car handles first, then look at a full decat exhaust with a DRY panel filter (not an oil one) and a remap, should be good for around 270bhp, id also look at the brakes before doing this, they do need sorting, even the subaru 4 pots (discs and pads are a good way to go but a kit is better 
check out places like www.godspeedbrakes.co.uk )
Tony
check out places like www.godspeedbrakes.co.uk )Tony
03 July 2005, 12:35 PM
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Originally Posted by TonyBurns
Get use to the way the car handles first, then look at a full decat exhaust with a DRY panel filter (not an oil one) and a remap, should be good for around 270bhp, id also look at the brakes before doing this, they do need sorting, even the subaru 4 pots (discs and pads are a good way to go but a kit is better check out places like www.godspeedbrakes.co.uk )
Tony
check out places like www.godspeedbrakes.co.uk )Tony