272 cams etc let me know what you think

polskaboys · 10-01-2010, 05:25 PM

Im purchasing this for my Hybrid build... this weekend

2.5 brand new shortblock with Wiseco 99.5 mm pistons (STD bore)
11mm oem oil pump
oil cooler
BC 272 cams
Cosworth valve springs set

looking for the right head gasket kit (help)

an any imput will help this is all going into a 2004 wrx

currently ill be runnin a vf39, dw750 injectors, walbro 255fp injen cold air intake, injen fmic, hks exhaust an dp. will upgrade parts once the funds come in

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rexworx · 10-01-2010, 05:30 PM

IMO BC's arent nearly as aggressive as advertised and most people think.

What are you trying to figure out? What do you do with the car? What kind of powerband are to looking for? "now and down the road"

sense of nature · 10-01-2010, 05:31 PM

Oem gaskets are the way to go IMO .. You could use the 1996-1998 EJ25D gaskets & help lower the compression a bit
If you can get the GSC cams they are a much better cam IMO ...

polskaboys · 10-01-2010, 05:39 PM

Just seeing if im heading to the right direction with this build. ill be happy to make 300hp or more for now till i upgrade the trans an go with a bigger turbo down the road, reason for doing this swap is i just spend 6 grand on a rebuild that didnt last 1200 miles cause the shop FAILED. what would be the ratio going oem gasket? wouldnt the higer ratio cause more det?

kasra007 · 10-01-2010, 07:57 PM

gsc or crawford.

sidewayz · 10-01-2010, 10:08 PM

Bc cams are fine but are more like 264's

Concillian · 10-02-2010, 02:19 AM

OEM HG. Search for Cometic HG failures here. I bet you find at least as many as stock HG failures, and there are THOUSANDS more OEM HGs out there than Cometics.

You really do not want to lower compression with the gasket. get the compression back by having a machinist take a few ccs out of your heads by moving the sides out to ~99mm or with piston dish if you don't already have pistons.

10-01-2010, 05:25 PM	#1
polskaboys Scooby Newbie Member#: 221147 Join Date: Aug 2009 Chapter/Region: MWSOC Location: Windy City Vehicle: 2011 STI LIMITED WHITE	272 cams etc let me know what you think Im purchasing this for my Hybrid build... this weekend 2.5 brand new shortblock with Wiseco 99.5 mm pistons (STD bore) 11mm oem oil pump oil cooler BC 272 cams Cosworth valve springs set looking for the right head gasket kit (help) an any imput will help this is all going into a 2004 wrx currently ill be runnin a vf39, dw750 injectors, walbro 255fp injen cold air intake, injen fmic, hks exhaust an dp. will upgrade parts once the funds come in * Registered users of the site do not see these ads.

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10-01-2010, 05:30 PM	#2
rexworx Scooby Guru Member#: 103232 Join Date: Dec 2005 Chapter/Region: Tri-State Location: EWG3071KelfordCams276/272 Vehicle: MY05 GDA, MY04 FXTI 2.5ltr,PPG,Front LSD,4.44	IMO BC's arent nearly as aggressive as advertised and most people think. What are you trying to figure out? What do you do with the car? What kind of powerband are to looking for? "now and down the road"

10-01-2010, 05:31 PM	#3
sense of nature Scooby Guru Member#: 112759 Join Date: Apr 2006 Chapter/Region: MWSOC Location: In the V hole! Vehicle: 02 Srp STi... R ur Boltz to long????	Oem gaskets are the way to go IMO .. You could use the 1996-1998 EJ25D gaskets & help lower the compression a bit If you can get the GSC cams they are a much better cam IMO ...

10-01-2010, 05:39 PM	#4
polskaboys Scooby Newbie Member#: 221147 Join Date: Aug 2009 Chapter/Region: MWSOC Location: Windy City Vehicle: 2011 STI LIMITED WHITE	Just seeing if im heading to the right direction with this build. ill be happy to make 300hp or more for now till i upgrade the trans an go with a bigger turbo down the road, reason for doing this swap is i just spend 6 grand on a rebuild that didnt last 1200 miles cause the shop FAILED. what would be the ratio going oem gasket? wouldnt the higer ratio cause more det?

10-01-2010, 07:57 PM	#5
kasra007 Scooby Specialist Member#: 225361 Join Date: Sep 2009 Chapter/Region: MAIC Location: ashburn, va Vehicle: 2006 wrx sti beige	gsc or crawford.

10-01-2010, 10:08 PM	#6
sidewayz Scooby Specialist Member#: 5810 Join Date: Apr 2001 Chapter/Region: Tri-State Location: Easton PA Vehicle: 2001 S366 2.5RS	Bc cams are fine but are more like 264's

10-02-2010, 02:19 AM	#7
Concillian Scooby Guru Member#: 4414 Join Date: Feb 2001 Location: Dublin, CA Vehicle: 2002 WRX Sedan Midnight Black	OEM HG. Search for Cometic HG failures here. I bet you find at least as many as stock HG failures, and there are THOUSANDS more OEM HGs out there than Cometics. You really do not want to lower compression with the gasket. get the compression back by having a machinist take a few ccs out of your heads by moving the sides out to ~99mm or with piston dish if you don't already have pistons.