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forged 2.5 or 2.1 stroker??

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Old Jul 18, 2012 | 07:10 AM
  #31  
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Is there not an over-size bore for the 2.5 as there is for the 2.0 (2.1) and 2.2 (2.35)?.
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Old Jul 18, 2012 | 07:29 AM
  #32  
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Originally Posted by Kwik
Is there not an over-size bore for the 2.5 as there is for the 2.0 (2.1) and 2.2 (2.35)?.
Yes, aswell as stroker kits to take them to 2.7 if you really wanted to.
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Old Jul 18, 2012 | 09:41 AM
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Seen a few 2.7 impreza on nasioc forum
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Old Jul 18, 2012 | 10:28 AM
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I bet the torque on them are decent. What's the engine tuners up to date 2.1 price on a CDb drive in drive out
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Old Jul 18, 2012 | 11:05 AM
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Originally Posted by sonic93
I bet the torque on them are decent. What's the engine tuners up to date 2.1 price on a CDb drive in drive out
+1 on the 2.1 drive in/out price please Alan/Martyn.

Last edited by WhiteWagonMan; Jul 18, 2012 at 11:05 AM. Reason: spooling misteek
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Old Jul 18, 2012 | 11:15 AM
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**** that Glenn
What's the drive in drive out on a 2.7 more info ,specs and limits plz
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Old Jul 18, 2012 | 11:15 AM
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Originally Posted by MartynJ
Yes, aswell as stroker kits to take them to 2.7 if you really wanted to.
If 2.5s are limited to circa 500bhp, what would you say the safe limit for a 2.7 would be?
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Old Jul 18, 2012 | 11:48 AM
  #38  
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Originally Posted by WhiteWagonMan
+1 on the 2.1 drive in/out price please Alan/Martyn.
If i remember correctly prices are around 4k or so.
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Old Jul 18, 2012 | 11:52 AM
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I'd like to see spool on a 2.7
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Old Jul 18, 2012 | 11:53 AM
  #40  
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Originally Posted by sonic93
I bet the torque on them are decent. What's the engine tuners up to date 2.1 price on a CDb drive in drive out
Would you like us to supply the block or do you have your own ?
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Old Jul 18, 2012 | 11:54 AM
  #41  
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Originally Posted by WhiteWagonMan
+1 on the 2.1 drive in/out price please Alan/Martyn.
Many many options, PM with what you have in mind for the car and I'll PM you the price for your desired application !
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Old Jul 18, 2012 | 11:55 AM
  #42  
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Originally Posted by rexguy
If 2.5s are limited to circa 500bhp, what would you say the safe limit for a 2.7 would be?
Depends on block modifications, pins, liners, CDB insert etc etc.
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Old Jul 18, 2012 | 12:07 PM
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My new 2.5 will run AS Performance cnc inserts to close the deck and will see well over 500
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Old Jul 18, 2012 | 12:09 PM
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Originally Posted by MartynJ
Depends on block modifications, pins, liners, CDB insert etc etc.
Isn't 2.7 getting a bit big to be efficient on a four cylinder? For optimum efficeincy individual cylinders shouldn't exceed 600cc.
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Old Jul 18, 2012 | 12:25 PM
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We have had a price of £3k drive in drive out up to now for the 2.1

Last edited by leeroywrx; Jul 18, 2012 at 12:27 PM.
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Old Jul 18, 2012 | 12:27 PM
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And £3100 for drive in drive out 2.5 supplying the block too
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Old Jul 18, 2012 | 01:54 PM
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Originally Posted by leeroywrx
We have had a price of £3k drive in drive out up to now for the 2.1
Who from? I've been quoted £1700, supplying CDB, rods and pistons to the builder.
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Old Jul 18, 2012 | 03:39 PM
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I spoke to smg about 6 months ago and got that price
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Old Jul 18, 2012 | 09:46 PM
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Originally Posted by leeroywrx
We have had a price of £3k drive in drive out up to now for the 2.1
No offence meant, but anyone doing it for £3000 can only be doing half a job.
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Old Jul 18, 2012 | 10:34 PM
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4.5k should be nearer the going rate
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Old Jul 19, 2012 | 09:40 AM
  #51  
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pay cheap, pay twice.
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Old Jul 19, 2012 | 07:20 PM
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i have a 2005 sti uk i am looking at doing one of these options in the winter my mapper has steered me in the direction of 2.5 all sounded good until i read on here now im unsure

i have other cars so my scoob is a toy i drive it as much as possible and like to push it hard i will also be doing 6+ trackdays (and a trip to the ring ) a year currently have mdx321t and supporting mods 1st map 397bhp not got figures for 2nd map yet but guessing about 430bhp ish
i am still on tmic which i will be swapping for fmic

am i right in thinking the 2.3 has all the good points from the 2.1/2.5
and none of the negatives ?

not after monster figures just a good all rounder
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Old Jul 19, 2012 | 07:29 PM
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Perfectly correct about the 2.3 mate,the only negative is the cost.
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Old Jul 19, 2012 | 07:32 PM
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Originally Posted by WhiteWagonMan
Perfectly correct about the 2.3 mate,the only negative is the cost.

how much more would it cost than the other options
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Old Jul 19, 2012 | 07:43 PM
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Originally Posted by Dave-W-
how much more would it cost than the other options
Bare EJ22T block is at least £1k
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Old Jul 19, 2012 | 07:47 PM
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Originally Posted by Dave-W-
how much more would it cost than the other options
need4speed is selling one off here on ebay now. currently 800 quid i think.
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Old Jul 19, 2012 | 07:48 PM
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2.3 just not needed for anything under 600 bhp. 2.1 or 2.5 is the way to go
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Old Jul 19, 2012 | 07:52 PM
  #58  
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Originally Posted by Mad Hammer
2.3 just not needed for anything under 600 bhp. 2.1 or 2.5 is the way to go
anything over 600 and hg issues sooner or later?
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Old Jul 19, 2012 | 09:38 PM
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Nope, I use cossy stopper gaskets and no problems. I know plenty over 600 with no gaskets issues.
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Old Jul 19, 2012 | 09:46 PM
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im having a cdb 2.1 build , and hope that will be around 600bhp.
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