A Good strong base engine for Turbo?

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  1. A Good strong base engine for Turbo? 
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    Hi there guys and girls!

    Just looking at a few ideas on a good starting point for the turbo/track project.

    Now I have pretty much sorted all the main bits for the build but just wondering if it might be worth while building an engine out of the car ready for some big boost

    Sooooo, in short:

    What would be the best block to start with thats 2.8 or above in CC for approx 550bhp.

    Don't really want to be messing around with block sleeves if I can help it.

    Or is the current M52 328 engine with Warranty replacement block good enough?

    Mike
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    Have a look at this link mate....
    http://www.bmwturbo328.com/
     
     

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    I think, the usa 328 blocks are cast but euros are aliminum. so do not look what us people do with 328i for turbo applications.
     
     

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    A good base engine to consider would be the M50 325,Its an Iron block so has the strength to deal with pressures
     
     

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    Quote Originally Posted by bmmrr View Post
    I think, the usa 328 blocks are cast but euros are aliminum. so do not look what us people do with 328i for turbo applications.
    Can anyone confirm this??

    I was under the impression the Euro 328 was a cast block
     
     

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    Quote Originally Posted by Boostist View Post
    Can anyone confirm this??

    I was under the impression the Euro 328 was a cast block
    Yep, the 323 and 328 are alloy blocks with liners boss...

    320 and 325 are cast blocks....
     
     

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    Boostist (22-09-2009),xXxStKxXx (21-09-2009)

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    Quote Originally Posted by steve23002 View Post
    Yep, the 323 and 328 are alloy blocks with liners boss...

    320 and 325 are cast blocks....
    Well bugger me!!
    Will have to drop an m3 engine in then

    Cast iron block and solid as a rock
     
     

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    RYM (22-09-2009)

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    what about a m535 lump, how strong are they
     
     

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    hi, im just starting a long term turbo project, and from my research the m50 iron blocked engine is the best to use, but i think you can use the m52 crank and rods(which are forged?) to make it a 2.8. and with just a thicker head gasket and arp rod/head bolts can take 500bhp
     
     

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    Quote Originally Posted by BillyTheKid View Post
    hi, im just starting a long term turbo project, and from my research the m50 iron blocked engine is the best to use, but i think you can use the m52 crank and rods(which are forged?) to make it a 2.8. and with just a thicker head gasket and arp rod/head bolts can take 500bhp
    I believe you can go even better and use the US M3 cams too
     
     

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