Creating a reliable engine........how??
19 May 2011, 11:23 AM
#1
Creating a reliable engine........how??
It seems i will own the scoob until the day it dies so in its final years it will end up on the track so with this in mind, what would need to be done to get a reliable, long lasting engine.
As it stands it's running around 300bhp and that is plenty for the road and should be plenty for the track so i am not looking for big power but i want the car to live a long life and its bound to be a hard one in the later years.
This is something for down the road but thought i would ask now since i am sitting in front of the computer trying to look busy
Ian
As it stands it's running around 300bhp and that is plenty for the road and should be plenty for the track so i am not looking for big power but i want the car to live a long life and its bound to be a hard one in the later years.
This is something for down the road but thought i would ask now since i am sitting in front of the computer trying to look busy
Ian
19 May 2011, 02:45 PM
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Ian, have an engine rebuild but overspecify everything so that the engine can be run safely at higher output with issue.
Just like someone had done recently.
Just like someone had done recently.
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19 May 2011, 03:27 PM
#10
19 May 2011, 03:43 PM
#11
Well, just gave Roger Clark a quick bell and for a basic build its looking like 6k!!!!!
I would have to sell the car to pay for it
The guy on the phone did suggest just letting the engine die one day and then re-build it after that!
I would have to sell the car to pay for it
The guy on the phone did suggest just letting the engine die one day and then re-build it after that!
19 May 2011, 05:49 PM
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IMOA there is no bullet proof engine as they all can blow its just a matter of time as some builds last along time
some dont 
like some people are lucky and some are not leave it and enjoy it
you will be shocked on how much the standard engine can take or last as i have seen some engines go mega miles and some take mega power and refuse to break 
hope this helps
19 May 2011, 07:18 PM
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You could always start buying uprated/forged parts now bit by bit and if the standard ones break then you already have the parts to strengthen it.
19 May 2011, 08:25 PM
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I second that. My WRX had done over 100,000 when I popped a head gasket. Spoke to Alan and ended up with a 2.1 Stroker which is good for 500bhp but I'm running at 345 which is nice and safe. Also great on the road and track.
19 May 2011, 09:29 PM
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20 May 2011, 09:27 AM
#25
i agree with kev that you should just use good oils and regular changes and service
IMOA there is no bullet proof engine as they all can blow its just a matter of time as some builds last along time some dont like some people are lucky and some are not
leave it and enjoy it you will be shocked on how much the standard engine can take or last as i have seen some engines go mega miles and some take mega power and refuse to break
hope this helps
IMOA there is no bullet proof engine as they all can blow its just a matter of time as some builds last along time
some dont like some people are lucky and some are not leave it and enjoy it
you will be shocked on how much the standard engine can take or last as i have seen some engines go mega miles and some take mega power and refuse to break hope this helps
20 May 2011, 11:02 AM
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LOL... Evo's seem to go bang just as much as Subaru's just more scoobies on the road, so u hear about them more...
As lee said think u just got to be lucky, the number of newly forged engines i've heard/read of going bang (subaru & Evo), makes me wonder if u should just take ur chances with the standard one...
As lee said think u just got to be lucky, the number of newly forged engines i've heard/read of going bang (subaru & Evo), makes me wonder if u should just take ur chances with the standard one...
20 May 2011, 05:35 PM
#27
My car is now 12 years old with 108K+ miles, I bought it with 96K and history from the day it was imported "as a new grey import". As you know I am making all the old bits better and replacing as much as I can on the "non oily bits". That will come later.
It had an engine rebuild at 86K with receipts for over £3.5k. Hopefully it has a few more years of life in it but you never know. I would love to give it to the Lee and the lads at Old School Engineering but like you I value my kidneys.
The point I am making is it's up to you what you want to do in the future and if buying bits now may save in the long run. You hear of cars that have been around the moon and back and only needed the usual consumables, even when treated like sh*t. It will become a classic one day and worth a lot if it's been looked after and only had the one owner.
Having said that I wonder if my daughter would miss the grand children
It had an engine rebuild at 86K with receipts for over £3.5k. Hopefully it has a few more years of life in it but you never know. I would love to give it to the Lee and the lads at Old School Engineering but like you I value my kidneys.
The point I am making is it's up to you what you want to do in the future and if buying bits now may save in the long run. You hear of cars that have been around the moon and back and only needed the usual consumables, even when treated like sh*t. It will become a classic one day and worth a lot if it's been looked after and only had the one owner.
Having said that I wonder if my daughter would miss the grand children
Last edited by The Trooper 1815; 20 May 2011 at 05:37 PM.
20 May 2011, 06:00 PM
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I don't think there can be any guarantees on the standard engine once you start uprating the engine performance.
My car has had a quite extensive uprate after the issue that I had, and the JDM twin scroll engine can/should be able to take it according to the general consensus amongst the Impreza community. I didn't go to extremes on the standard engine and it still had a major failure - ok the internals didn't fail but when the head gaskets/bolts failed it warped the crankcase and cylinder head.
I think the only foolproof option once a failure does happen is to uprate nearly everything possible, I hope in doing this when the engine is running 450-470bhp that it will cope well as the engine should be capable of a lot more.
My car has had a quite extensive uprate after the issue that I had, and the JDM twin scroll engine can/should be able to take it according to the general consensus amongst the Impreza community. I didn't go to extremes on the standard engine and it still had a major failure - ok the internals didn't fail but when the head gaskets/bolts failed it warped the crankcase and cylinder head.
I think the only foolproof option once a failure does happen is to uprate nearly everything possible, I hope in doing this when the engine is running 450-470bhp that it will cope well as the engine should be capable of a lot more.
21 May 2011, 01:35 PM
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