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Old 11-26-2009, 03:25 PM   #1
atprex
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Join Date: Oct 2009
Default 2.5 built motor questions

Im planning on putting a built ej257 in my wrx. I was wondering if these parts on my ej205 can be used for the new 2.5.

Just these for parts for now

camgears ?
crank pulley-alt pulley-powersteering pulleys and belts ?

is it also recommended to get a new idlers and tensioner kit even if theres nothing wrong with the ones on the 2.0lt ?

Also is a better timing belt guide required ?
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Old 11-28-2009, 02:26 AM   #2
Ensi
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Chapter/Region: NWIC
Location: Lake Stevens, Wa
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05 Sti
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If you have anything more than 35k you should get new idlers, tensioner, oil pump, oil cooler(you can reuse yours if you didn't spin a bearing on your old block), waterpump, and timing belt. Consider it semi cheap insurance.
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Old 11-28-2009, 12:44 PM   #3
atprex
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Quote:
Originally Posted by Ensi View Post
If you have anything more than 35k you should get new idlers, tensioner, oil pump, oil cooler(you can reuse yours if you didn't spin a bearing on your old block), waterpump, and timing belt. Consider it semi cheap insurance.
Wow thanks man appreciate it exactly what i was tryn to find out.
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Old 11-29-2009, 12:23 AM   #4
roc sti 13
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i just spun a bearing in my 05 STI and am amazed it took me 80,000 miles to do it w the way i drive ....time to start planning the street monster blue print
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Old 11-30-2009, 05:26 PM   #5
atprex
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Alright ive come to the question of what 400whp (mustang dyno HP /not dynopack) bolt on turbo should i get that will get me to this goal . id like that turbo to get me that number on pump fuel and perferably not running over 24 psi. and then want it to get as close to 450 on race fuel before 28psi.

I realise there a quite a few turbos out their that will do that. So which one should i get ?
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Old 11-30-2009, 06:50 PM   #6
rexworx
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Join Date: Dec 2005
Chapter/Region: Tri-State
Location: GTX3576R 05GD, GTX3076R'd FXT
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GTX 3071R'd 11WRX
PPG,4.44,LSD,E85,6spdx3

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New blouch 3.0XT-R, Or OG 3.0R with the 10cm^2 turbine housing. Or ATP 3076, or 35r

FP hta green or larger to name a few.

Do you plan on any head work?
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Old 12-01-2009, 12:17 AM   #7
atprex
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Quote:
Originally Posted by rexworx View Post
New blouch 3.0XT-R, Or OG 3.0R with the 10cm^2 turbine housing. Or ATP 3076, or 35r

FP hta green or larger to name a few.

Do you plan on any head work?
Yes most definatly, will have full pnp- complete valvetrain upgrade-cams-1mm oversized valves. ect .

would all that have a bearing on which turbo i should go for ?
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