Forged pistons
Hi there,
I'm currently purchasing parts for the rebuild of the engine in MY95 STi RA and i'm after some advice on pistons and also trying to find out what make of forged pistons people use on here. As well as which brand people use does anyone have any thoughts on CR etc. that they'd like to share? Brand wise i've heard that there has been one or two problems with JE's I've already bought some Arrow rods and gotten myself a set of commetic gaskets. I need to sort out pistons and possibly a crank depending upon condition. Anyone got any GEN on the v9 crank or will a straight replacement for my v2 be ok? P.S i'm chasing 400-425 bhp ish |
Have a look at the Wiseco piston range Mongo - quality stuff and a reasonable price if you make a few phone calls( API,Lateral Perfermance etc).
As for the V9 crank - its a rear thrust crank and pretty sure your V2 would be a Center Thrust crank. |
Cheers mate. I knew about the thrust washer/bearing and I know of a motorsport company who will do the engineering work on the block for 45+vat.
As I understand wiseco are part of JE group. |
i live in oxford too mongo, are you going to the meet in kidlington sunday?
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hadn't planned to mate. Where and when?
I'm in wantage BTW |
i will find out in the morning , i am meeting the SIDC chairman so he can look over my ra, i am in carterton btw.
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Ah might come along then. Will be in the oil burner though
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How can you buy gaskets, before you have bought the pistons, when you don't know what the CR will be ?
Wiseco, & JE are owned by the same company, but they are very much independent of each other, when it comes to product. I've not heard of any issues with JE, but I do know that Wiseco have been more than proven, being used in two of the 9 second Subaru's in the Uk. The STi9 crank is cross drilled, and heat treated. It's not that much more than a standard crank, so if you can get the block machined, it's worth the little extra. Mark. |
Gaskets are sandard thickness, CR will be altered by piston bowl or combustion chamber size. Having a thicker head gasket will affect squish?
Mark |
I wouldn't suggest going thicker, but depending on the CR you want, you may even fit a thinner gasket, with a lower compression height piston.
You really want to buy something that's "available" rather than having a custom piston made. Personally, I wouldn't want to rely on removing material from the combustion chambers. Mark. |
why anyone consider about Mahlempistons ? I have heard lots of good things about Mahle but i dont know why tuners only prefers JE, Wiseco or CP
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we use Mahle quite a lot, but generally not designed for very high target cars..............................
alyn |
A friend of mine sent these pictures recently. They are wisecos and eagle con rods He told me that everything was right before this happens. I think it mainly an installment issue but I'm not a specialist so not sure.
http://img.photobucket.com/albums/v124/cucuman/2-1.jpg http://img.photobucket.com/albums/v1...n/untitled.jpg http://img.photobucket.com/albums/v1...adarerimis.jpg and the guy looking for darton sleeves in the 2nd picture =) not a good idea |
Originally Posted by SoNiCa
A friend of mine sent these pictures recently. They are wisecos and eagle con rods He told me that everything was right before this happens. I think it mainly an installment issue but I'm not a specialist so not sure.
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Originally Posted by Lateral Performance
I wouldn't suggest going thicker, but depending on the CR you want, you may even fit a thinner gasket, with a lower compression height piston.
You really want to buy something that's "available" rather than having a custom piston made. Personally, I wouldn't want to rely on removing material from the combustion chambers. Mark. Are you a wiseco dealer btw? I might give you a ring for a chat. Mark |
Originally Posted by SoNiCa
A friend of mine sent these pictures recently. They are wisecos and eagle con rods He told me that everything was right before this happens. I think it mainly an installment issue but I'm not a specialist so not sure.
http://img.photobucket.com/albums/v124/cucuman/2-1.jpg http://img.photobucket.com/albums/v1...n/untitled.jpg http://img.photobucket.com/albums/v1...adarerimis.jpg and the guy looking for darton sleeves in the 2nd picture =) not a good idea certainly doesn't look loke a general material failure |
Mark,
Yes I carry a range of Wiseco pistons, and you're welcome to call for a chat. Mark. |
hi mate, your best bet is purchasing from the USA, the exchange rate at the moment is awsome and the prices there just cant be beat anyone in the UK ... I paid less than £400 for a set of eagle rods and arias pistons!!!
I know alot of rally cars that are using these pistons with no problems |
I am using Wiseco pistons and Eagle Rods,
No problems with mine and currently running approx 360 bhp. Although I didnt source mine from Mark at Lateral I can vouch for the Wisecos and I know he's one of the best suppliers in the UK of wiseco scooby pistons. He's your man! Daz |
Originally Posted by Lateral Performance
Mark,
Yes I carry a range of Wiseco pistons, and you're welcome to call for a chat. Mark. |
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