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2.0lt built cdb to fit 2.5lt sti heads

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Old 05 October 2009, 10:07 PM
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k_duraman
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Default 2.0lt built cdb to fit 2.5lt sti heads

hi everyone, i have an 06 hawkeye sti with ppp producing 316bhp. i have recently bought a cdb and i want to build and replace it with my 2.5 block and use the current heads and ecu. will it work? what kind of difficulties are lying ahead?
thanx
Old 05 October 2009, 10:35 PM
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dazdavies
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pointless exercise unless you're going for 600 bhp plus
Old 05 October 2009, 10:47 PM
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al02uk
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Have to agree mate,

your 2.5 can handle 500bhp with the right internals fitted plus supporting mods.

Obviously if you are wanting 600bhp there will be alot of work involved. Daz is doing a big build with a CDB so have a look on his project.

If your wanting 500bhp have a look at my link which has all the bits I need for a 500bhp capable long block.

https://www.scoobynet.com/scoobynet-...y-arrived.html

Last edited by al02uk; 05 October 2009 at 10:49 PM.
Old 06 October 2009, 12:40 AM
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dazdavies
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Actually I'm going for 600 bhp with a strengthened EJ257

Stock liners!!
Old 06 October 2009, 07:01 AM
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al02uk
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bloody hell, I didn't know you could do that, nice one!

I take it you had to have the 14mm head stud conversion too?

Andy

Last edited by al02uk; 06 October 2009 at 07:04 AM.
Old 07 October 2009, 10:10 PM
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k_duraman
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the main reason i am going for the cdb is for tax purpuses, the laws have changed here in greece and i will have to pay crazy amounts of income tax if i am to keep the 2.5lt . however if i go 2lt and do a stroker kit upto say 2.2 , on paper it is still a 2000cc. and i do have plans for a 550bhp build.
Old 07 October 2009, 11:18 PM
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dazdavies
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Originally Posted by al02uk
bloody hell, I didn't know you could do that, nice one!

I take it you had to have the 14mm head stud conversion too?

Andy

Yep 14 mm stud conversion, Cosworth pistons, Cosworth Rods and some block strenghtening but the liners are remaining untouched!!
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