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 Ej25 standard internal capabilities

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iddysti
carl08
Steviedoo
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scoobaru

scoobaru


Posts : 439
Join date : 2011-12-25
Age : 34
Location : Chester-le-street

Ej25 standard internal capabilities Empty
PostSubject: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyThu 30 Oct - 19:08

As many of you may know, I'm buying steve71s hawkeye.
I'm looking to get her mapped straight awAy, what in a sensible/more than comfortably power for the standard internals on the ej25?
Cheers Anth
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Ej25 standard internal capabilities Empty
PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyThu 30 Oct - 22:12

Just noticed that Steve's car is already running at 360bhp with 410lbs torque - I wouldn't go any more than that mate. Plenty on a Hawk with oem internals.
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Steviedoo

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Ej25 standard internal capabilities Empty
PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 7:44

Like mario has already said the car is already mapped to 360bhp so I wouldn't take it too much further with it having only the standard 5 speed Wrx box still fitted as these can easily go once getting towards the 400bhp mark as the are nowhere near as strong as the 6 speed Sti box
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carl08

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Ej25 standard internal capabilities Empty
PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 8:36

As above, that's already a lot of torque through a 5 speed box. Next upgrade should be gearbox before any more power.
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iddysti

iddysti


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Ej25 standard internal capabilities Empty
PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 18:05

anything more than 360-370 on standard internals then your asking for trouble with head gaskets blowing.

some have run then with more but there a time bomb waiting to happen. As stated above if you want more than 400 then 6 speed gearbox, then forged engine with bigger turbo.

lots of money also.
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john_666

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Age : 39
Location : northumberland

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PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 20:10

i blew my box up in 3 weeks at 355bhp on my hawk...
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scoobaru

scoobaru


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Age : 34
Location : Chester-le-street

Ej25 standard internal capabilities Empty
PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 20:22

6 speed box it is then, what price am I looking at? Anth
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john_666

john_666


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Location : northumberland

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PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 20:33

my 6speed box r180 rear end and rear brembos cost £1500
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chrisw




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PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 20:36

The hawk 5speeds are stronger than the other 5speed boxes not the 6 speed levels. Theres people running over 400bhp and 400lbft on the boxes just easy on the launches. The 5speed does give quite long gears and it'll feel nicer than the 5speed in the blobeye.
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scoobaru

scoobaru


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Location : Chester-le-street

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PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 21:44

Cheers for the advice lads!!!! Need to start saving to get her forged
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StickT

StickT


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PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptyFri 31 Oct - 21:48

Leave it alone and enjoy it
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maxboost

maxboost


Posts : 1887
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Location : Driving with a big grin

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PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptySun 2 Nov - 13:13

we ran a tad over 400 bhp & 430ftlb, with a 321t on the hatch, for 3 months but thought we were tempting fate & put the vf48 back on & ran 370/391 without issue for 16month before we sold it, I know people bang on about the 2.5 choccy pistons, but IMO its how you treat it that makes the difference. Smile
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scoobaru

scoobaru


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Location : Chester-le-street

Ej25 standard internal capabilities Empty
PostSubject: Re: Ej25 standard internal capabilities   Ej25 standard internal capabilities EmptySun 7 Dec - 15:41

Your not wrong maxboost, i service my impreza every 1000 miles, plugs,oil,oil filter and a full gearbox and transfer fluid change on try and keep everything cleanly lubricated, its overboosting at the moment so im just driving her canny with minimum boost incase i pop anything
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