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Engine Management and ECU Remapping This section is to discuss the various aspects of engine management modification for your Subaru.

advice needed please

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Old 18 November 2013, 11:03 PM
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horsham rc
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Default advice needed please

Hi all
I have picked up a cheap 1 owner uk wrx saloon with 180k on the clock paperwork shows a good service history and engine sounds sweet.
Question is am i asking for trouble buy making engine modifications like a remap to around 270bhp.
Ive allready done the full decat system and air filter and a blow off valve next i was going to service it including a cambelt change before looking at a remap.
Any advice would be great.
Thank.
Old 20 November 2013, 09:04 PM
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MattyB1983
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Modifying a 180K standard unmolested engine is asking for trouble in my opinion.
If it was me, I'd remove the bits you've already put on and enjoy the car.

Also worth considering, a standard'ish 180K uk wrx is worth very little, maybe a grand if you're lucky. Is it really worth throwing hundreds of pounds at it ??
Enjoy it for what it is and save up for something a little more special.

Last edited by MattyB1983; 20 November 2013 at 09:07 PM.
Old 21 November 2013, 07:49 PM
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The Trooper 1815
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Originally Posted by horsham rc
Hi all
I have picked up a cheap 1 owner uk wrx saloon with 180k on the clock paperwork shows a good service history and engine sounds sweet.
Question is am i asking for trouble buy making engine modifications like a remap to around 270bhp.
Ive allready done the full decat system and air filter and a blow off valve next i was going to service it including a cambelt change before looking at a remap.
Any advice would be great.
Thank.
Decat - debatable/MOT failure. JDM cars run catted systems and the later models are 250 bhp out of the box and remap to 280 easily.
Panel filter - yes, K&N/Green Cotton.
Uprated fuel pump - yes.
180k UK car, new clutch - probably.
OE DV is perfect but may be a bit leaky. VTA valves are not a performance enhancement.

But the cheapness of the initial purchase will never in a Month of Sunday be recouped or worth all the extra bits to get to 270bhp. Enjoy what it is and keep smiling.

Last edited by The Trooper 1815; 21 November 2013 at 07:50 PM.
Old 21 November 2013, 08:11 PM
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toneh
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Your asking for a certain amount of trouble modding any car , I personally wouldn't mind modding a car with high miles especially if it was purchased for peanuts , and if it does go Pete tong either fix it , break it or swap the bits that you've invested money in, onto another car and start again
If nothing else it'll be a learning curve , be it good or bad
Old 21 November 2013, 08:28 PM
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Pigman149
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i would guess as long as its done right it should be ok,you can blow a newish car if done wrong

Last edited by Pigman149; 21 November 2013 at 08:33 PM.
Old 21 November 2013, 09:29 PM
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MattyB1983
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If anything, the bits you've already done without a map will be doing more damage than good.
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