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Old 02-18-2009, 10:34 PM   #1
wrxdrivr04
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2004 WRX 2.5 hybrid
FP EVOIII 16g

Question questions about hybrid swap

so im getting ready to do my 2.5 hybrid swap.... imgonna be running stock 2.0 head on a stock 2.5 short bock, 16g with supporting mod... i have heard that i need to change out my radiator for an sti... im trying to do this on a budget and i just need to know so that i cane factor that in to pricing for everything needed?
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Old 02-18-2009, 10:43 PM   #2
Fongers
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no on the radiator, you'll be fine for that. Put the cash into headwork/cams.
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Old 02-18-2009, 10:43 PM   #3
r0n
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I wouldnt see why you would NEED a new radiator just for a 2.5 swap and 16g
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Old 02-19-2009, 12:28 AM   #4
Thug Nasty
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Quote:
Originally Posted by wrxdrivr04 View Post
i have heard that i need to change out my radiator for an sti...
False.
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Old 02-19-2009, 12:29 AM   #5
darksc00by
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Nope. I have a 2.5/2.0 with a 16g. Nasty setup BTW.

I made 260/290 on stock intercooler and sti pinks
of course I have a turboback.

I am running stock 2.5RS radiator.
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Old 02-19-2009, 09:48 AM   #6
Joelo_00
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We did a 2.5/w 2.0 intake and a custom t3/t4 and kept the stock radiator on an '02 WRX, no problems at all.
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Old 02-19-2009, 06:14 PM   #7
wrxdrivr04
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thank guys i will keep you all post on the swap.. im pulling the motor tomorrow after work... should go pretty good considering i work at a shop
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Old 02-19-2009, 06:17 PM   #8
wrxdrivr04
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Quote:
Originally Posted by darksc00by View Post
Nope. I have a 2.5/2.0 with a 16g. Nasty setup BTW.

I made 260/290 on stock intercooler and sti pinks
of course I have a turboback.

I am running stock 2.5RS radiator.

how much boost was you running and what kind of dyno... on my stock turbo and intercooler with my 2.0 with turbo back,cia, 255 fp, protuned by ams in gaitherburg, md on 16.5 psi there dynomite dyno i made 249 awhp and 249 awtq
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Old 02-19-2009, 06:42 PM   #9
suby723
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Quote:
Originally Posted by Joelo_00 View Post
We did a 2.5/w 2.0 intake and a custom t3/t4 and kept the stock radiator on an '02 WRX, no problems at all.
how much did you run with your t3/t4? i have a 60trim on my sr20 that im not using anymore and i have been leaning towards using it for my suby.. how is it as far as the lag goes..it was nice on my sr20 when it spooled but it was laggy.
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Old 02-19-2009, 07:08 PM   #10
darksc00by
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Quote:
Originally Posted by wrxdrivr04 View Post
how much boost was you running and what kind of dyno... on my stock turbo and intercooler with my 2.0 with turbo back,cia, 255 fp, protuned by ams in gaitherburg, md on 16.5 psi there dynomite dyno i made 249 awhp and 249 awtq

14lbs.

dynapack.

I maxed the tmic out at 14 lbs.
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Old 02-19-2009, 07:57 PM   #11
wrxdrivr04
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Quote:
Originally Posted by darksc00by View Post
14lbs.

dynapack.

I maxed the tmic out at 14 lbs.
cool cool..... was it the smaller 16g or the bigger evo III 16g?
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Old 02-19-2009, 08:47 PM   #12
darksc00by
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small 16.
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Old 02-19-2009, 08:57 PM   #13
wrxdrivr04
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wow thats really good i cant wait to see what my big 16g does
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Old 02-19-2009, 09:58 PM   #14
mike4980
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good luck on the build i just did mine and spun another rod bearing with in 800 miles on the new block but i was only running my car on 6lbs with the stock turbo and what difference ... the torque is what made the car i also went with the stock sti head gaskets to bump the compression
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Old 02-20-2009, 01:16 AM   #15
darksc00by
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Quote:
Originally Posted by mike4980 View Post
good luck on the build i just did mine and spun another rod bearing with in 800 miles on the new block but i was only running my car on 6lbs with the stock turbo and what difference ... the torque is what made the car i also went with the stock sti head gaskets to bump the compression
you have to use STi head gaskets. the water and oil jackets require the STi gasket.
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Old 02-20-2009, 01:43 AM   #16
AWDWRXLOVER
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Quote:
Originally Posted by darksc00by View Post
you have to use STi head gaskets. the water and oil jackets require the STi gasket.
sure he means instead of thicker cometic brand
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