macauleyp27 Posted August 30, 2016 Share Posted August 30, 2016 Does anyone know what the standard Subaru Impreza internals can handle ? Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Scoobyghost Posted August 30, 2016 Share Posted August 30, 2016 Depends on age, condition, quality of life but general rule suggests 350hp. Every bit of extra power you ask for will take away some durability and reliability. Quote Link to comment Share on other sites More sharing options...
macauleyp27 Posted August 30, 2016 Author Share Posted August 30, 2016 Okay cool coz I was thinking of getting a td05 20g turbo and getting it mapped to 400+ but I will have to get forge internals then yeah ? Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Scoobyghost Posted August 30, 2016 Share Posted August 30, 2016 Not sure what model you have but there is a lot more required than a big turbo and map. You could need injectors, possibly an aftermarket ecu to cope with that sort of power. Fuel pump would be a must. Quote Link to comment Share on other sites More sharing options...
macauleyp27 Posted August 30, 2016 Author Share Posted August 30, 2016 I have that already apart from the ecu Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Scoobyghost Posted August 30, 2016 Share Posted August 30, 2016 You're not far away from it then 😊👍 Quote Link to comment Share on other sites More sharing options...
Tidgy Posted August 30, 2016 Share Posted August 30, 2016 TD05 is pretty old tech, be better chucking an sc42 at it or something similar. Quote Link to comment Share on other sites More sharing options...
macauleyp27 Posted August 30, 2016 Author Share Posted August 30, 2016 I'm new to all this so keep the updated information coming at lol I want to know the best way to get my car to 500 Bhp with blowing it up haha Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Tidgy Posted August 30, 2016 Share Posted August 30, 2016 find a decent tuner, give them your keys and your wallet and leave it with em,,,,, lol 500bhp is alot of power so will need to have a very good spec to get it there. Full custom engine build etc, prob nocking on 20k+ Quote Link to comment Share on other sites More sharing options...
macauleyp27 Posted August 30, 2016 Author Share Posted August 30, 2016 Hahah Jesus Christ the a very expensive upgrade then lol Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Tidgy Posted August 30, 2016 Share Posted August 30, 2016 Yep, also way beyond the capability of most drivers. it's very easy to say i want X power, but its a very different thing to have it and pay for it. your talking £1500 for the turbo, £2000 for the ecu and thats only two things, full engine rebuild for it will mean rods, pistons, head studs, crank bearings, fuel system upgrade, etc etc etc Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted August 30, 2016 Share Posted August 30, 2016 What's the year and model of your scoob ? As that would give us an idea as to what power the standard engine and drive train will cope with . If it's not broke .....upgrade it 😊 Quote Link to comment Share on other sites More sharing options...
Tidgy Posted August 30, 2016 Share Posted August 30, 2016 04 sti im assuming Quote Link to comment Share on other sites More sharing options...
macauleyp27 Posted August 30, 2016 Author Share Posted August 30, 2016 Yeah that's it mate Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted August 30, 2016 Share Posted August 30, 2016 If it's a jdm sti they are semi forged and can handle 450hp ish max (pending on condition and supporting mods ) I think the uk versions are normally good for 400hp but you'd be better off googling that to confirm. At least you'll have the 6 speed box and R180 hubs and diff as standard, which will handle your 500 hp target . So I'd imagine that with a fmic ,turbo, bigger injectors and uprated clutch should you should see 420hp ish . After that you'd probably need bigger brakes and a stronger deck type block with uprated internals for reliable 450hp + . If it's not broke .....upgrade it 😊 Quote Link to comment Share on other sites More sharing options...
macauleyp27 Posted August 30, 2016 Author Share Posted August 30, 2016 Awesome I already have ap racing breaks and mines a wrx mate . It's running 350 atm Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted August 30, 2016 Share Posted August 30, 2016 Sorry I thought it was a 04 sti . In that case the engine is probably at its reliable limit and the 5 speed 04 box is normally pushed at 400hp. So you'll have to add £1.5 k for a 6 speed conversion kit , £3k for engine parts/ stronger block , £2.5k for turbo /injectors /fmic and the cost of the ecu . Unfortunately that's without any labour whatsoever and you can expect just the engine build labour to be £3k + If it's not broke .....upgrade it 😊 Quote Link to comment Share on other sites More sharing options...
macauleyp27 Posted August 31, 2016 Author Share Posted August 31, 2016 Jesus lol it's gonna be a slow procedure then Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
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