Strongest Subaru engine
What is the strongest Impreza engine that subaru make/produce?
I don't mean for tuning, but just as it was made. |
the closed deck block has to be one of them ?
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The bugeye sti probably has the strongest engine, from the factory as it had proper forged pistons.
Banny |
What about the Spec C?? only asking cus i have one..
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the diesel!
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Any Newage 2ltr afaik, as already suggested topped by the JDM Bugeye. But I believe the "forged" pistons in them are not to be confused with other types of forged pistons available aftermarket... again afaik.
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I heard on another forum that the bugeyes engine was the strongest. why is this so. Why did they produce just one strong engine?
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The V7 motor had genuine STI forged pistons in it.
The later STIs had Hypercuetic (SP?) cast pistons in there and were alegidly not has hardy. |
All the newage engine are strong as Shaun states, its just the bugeye had better pistons and are better than the hyperutectic pistons used in the 2003 and onwards cars.
These pistons run much tighter clearences which can lead to issues and also are not good for running high boost due to the silicone content within them. Banny |
Not quite right banny ;)
Those hypereuetic pistons can run high boost quite easily, the problem they suffer from is det, they are not as robust, but they are very strong otherwise, and they dont expand as much as the "forged" pistons which makes them better in many cases. Also the rest of the engine on the JDM cars is an improvement over the bug/blob forged unit, due to upgraded parts (grooved crank for instance for better oil flow), but dont expect either type of engine to be reliable past 450bhp :) Tony:) |
On an alternative note, an engine is only as good as its servicing, strongest lump in the world wont last forever if it isnt cared for
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Originally Posted by frayz
(Post 8217479)
The V7 motor had genuine STI forged pistons in it.
The later STIs had Hypercuetic (SP?) cast pistons in there and were alegidly not has hardy. |
I will state my 2cents worth: the 2.0cdb found in early legacys
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Thanks guys so far. No idea what you are talking about, but it kinda makes sense :wonder:
So what makes a 'blue printed' engine better for any other like on the 22B? |
properly matched parts rather than slack factory tolerences.
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has the wrx bugeye have forged pistons??
wiley |
Originally Posted by wiley
(Post 8218934)
has the wrx bugeye have forged pistons??
wiley Tony:) |
Hope you guys don't mind me resurrecting an old thread, so based on more recent knowledge and more probable facts - what exactly is the difference between the V7 / 2002 STi Type UK bugeye engine vs the JDM? also is the bug engine still seen as the strongest?
Does anyone have any actual facts? It *seems* that the engines themselves are identical. On a side note, I am convinced (though it might just be my bias) that the STi sounds different to a WRX but then again it may just be me convincing myself when it really doesn't in reality, what do you think? |
Wiley's engine's pretty strong..
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Originally Posted by JDM_333
(Post 11344638)
On a side note, I am convinced (though it might just be my bias) that the STi sounds different to a WRX but then again it may just be me convincing myself when it really doesn't in reality, what do you think?
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The 2.5 is EPIC :)
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justy.
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2.5 engine :thumb:
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Originally Posted by Paulo P
(Post 11344861)
Do you mean the twin scroll? If so it will sound different due to the different exhaust manifold design for the turbo.
He's got a UK bug STI, the twin scroll didn't start until the jdm blobs. |
2 litre JDM Bug Engine.
Although I may be bias :) |
Originally Posted by Colinm101
(Post 11345114)
2 litre JDM Bug Engine.
Although I may be bias :) |
Originally Posted by JDM_333
(Post 11344638)
Hope you guys don't mind me resurrecting an old thread, so based on more recent knowledge and more probable facts - what exactly is the difference between the V7 / 2002 STi Type UK bugeye engine vs the JDM? also is the bug engine still seen as the strongest?
Does anyone have any actual facts? It *seems* that the engines themselves are identical. On a side note, I am convinced (though it might just be my bias) that the STi sounds different to a WRX but then again it may just be me convincing myself when it really doesn't in reality, what do you think? |
2006 sti engin and box
New to this but any one on hear intrested in a 2006sti infinite and box 30 thousand mile full history it was taken out my sti that was written on rear end damage was going to scrap the car but mate told me this form would find a buyer offers
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:DWilly wonka 2.5.SJ.
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Didn't the v3 and v4 also have forged pistons as standard?
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