Welcome to the North American Subaru Impreza Owners Club Friday August 22, 2014
Home Forums WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
Here you can view your subscribed threads, work with private messages and edit your profile and preferences Home Registration is free! Visit the NASIOC Store NASIOC Rules Search Find other members Frequently Asked Questions Calendar Archive NASIOC Upgrade Garage Logout
Go Back   NASIOC > NASIOC Technical > Factory 2.0L Turbo Powertrain

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.
* Registered users of the site do not see these ads.
Reply
 
Thread Tools Display Modes
Old 12-16-2005, 04:02 PM   #1
Starkiller
Scooby Specialist
 
Member#: 82741
Join Date: Mar 2005
Chapter/Region: NESIC
Location: Bristol, CT
Vehicle:
2002 WRX WRB
2007 350Z Silver

Default How do you check if you need to align bore your block?

Bought blown motor cheap.
Teardown revealed bent crankshaft (.014).
Refer to thread title.
* Registered users of the site do not see these ads.
Starkiller is offline   Reply With Quote
Old 12-16-2005, 04:47 PM   #2
dru_hill
Scooby Newbie
 
Member#: 67661
Join Date: Aug 2004
Chapter/Region: MWSOC
Location: Chicago, IL
Vehicle:
2004 WRX sedan
Blue

Default

I think you answered your own question. If you have a bent crankshaft, you should AT LEAST check the alignment. I would bet a shiny nickel that youll need some kind of machine work on the bottom end if you are 0.014 out of spec. You'd be pretty pissed off if you built the whole motor and then found out you need an align bore.
dru_hill is offline   Reply With Quote
Old 12-16-2005, 05:49 PM   #3
ncarn8
Scooby Specialist
 
Member#: 71419
Join Date: Sep 2004
Default

if its out youll notice out of spec oil clearances. theres no free lunches man so the money you saved really needs to be spent on getting it thouroughly checked out. That is if you want it to be problem free for a decent time. Id also want to crack test it, and have a close look at the deck warpage and condition of bores.
you cant just whack a new crank or a machined one in and hope for the best. drop it off at a truted experienced machine shop and have them do what they do best.
ncarn8 is offline   Reply With Quote
Old 12-16-2005, 08:08 PM   #4
Starkiller
Scooby Specialist
 
Member#: 82741
Join Date: Mar 2005
Chapter/Region: NESIC
Location: Bristol, CT
Vehicle:
2002 WRX WRB
2007 350Z Silver

Default

I've already checked for deck warpage and the bores came out ok.
So really, the only way I'm ever going to know if I need to bore out the mains is by mounting a new crank w/bearings and checking with plastigage?
Starkiller is offline   Reply With Quote
Old 12-16-2005, 11:13 PM   #5
Uncle Scotty
Scooby Guru
 
Member#: 16200
Join Date: Mar 2002
Vehicle:
OK Houston
we have an Uncle

Default

if it is a 205...make a boat anchor out of it and get a 257 shortblock and go from there.
the open deck block is, IMO, junk waithing to blow up anyway
Uncle Scotty is offline   Reply With Quote
Old 12-17-2005, 01:17 AM   #6
jamesfacts
NASIOC Supporter
 
Member#: 51282
Join Date: Dec 2003
Chapter/Region: Tri-State
Location: Brooklyn NYC / Danbury CT
Vehicle:
98 RS
black & blue from parking

Default

Quote:
Originally Posted by Uncle Scotty
if it is a 205...make a boat anchor out of it and get a 257 shortblock and go from there.
the open deck block is, IMO, junk waithing to blow up anyway
Why do you feel that way? I've seen lots of (key here ) well tuned 205s put down 300whp with ease. Not sure I'd bother building a stock one, but that still doesn't mean they're junk.
jamesfacts is offline   Reply With Quote
Old 12-17-2005, 10:17 AM   #7
Starkiller
Scooby Specialist
 
Member#: 82741
Join Date: Mar 2005
Chapter/Region: NESIC
Location: Bristol, CT
Vehicle:
2002 WRX WRB
2007 350Z Silver

Default

Actually, the block is a 257. Its just more people view the 2L forums then the 2.5 forum.
Starkiller is offline   Reply With Quote
Old 12-17-2005, 10:18 AM   #8
Uncle Scotty
Scooby Guru
 
Member#: 16200
Join Date: Mar 2002
Vehicle:
OK Houston
we have an Uncle

Default

Quote:
Originally Posted by americanyouth
Why do you feel that way? I've seen lots of (key here ) well tuned 205s put down 300whp with ease. Not sure I'd bother building a stock one, but that still doesn't mean they're junk.

drive an '06 wrx just once and then tell me you don't want a 2.5 instead of a 2.0.
Uncle Scotty is offline   Reply With Quote
Old 12-17-2005, 10:45 AM   #9
JRSCCivic98
Scooby Specialist
 
Member#: 67080
Join Date: Jul 2004
Default

Quote:
Originally Posted by Uncle Scotty
drive an '06 wrx just once and then tell me you don't want a 2.5 instead of a 2.0.
Ok, splitting hairs here, but this statement has nothing to do with whether or not a 2.5L is stout because of it's semi-closed deck. It has to do with it's displacement. So this statement and the previous one don't exactly go hand in hand.
JRSCCivic98 is offline   Reply With Quote
Old 12-17-2005, 10:53 AM   #10
Uncle Scotty
Scooby Guru
 
Member#: 16200
Join Date: Mar 2002
Vehicle:
OK Houston
we have an Uncle

Default

....no they DO go hand in hand...ya just have to see the connection
Uncle Scotty is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
How do I know if I need new brake pads? Sunny06STi Newbies & FAQs 14 02-15-2010 04:20 PM
How do i check if my shock/struts are going bad? Hyelude Newbies & FAQs 1 07-23-2009 05:14 PM
How do I check if my rings have seated? big67 Built Motor Discussion 6 04-16-2009 11:00 PM
Steering bushings....what do they do and how do you know if you need them replaced? kaisersouse Brakes, Steering & Suspension 4 01-11-2006 11:51 AM
how do i check if i have any warning points? rich728 Newbies & FAQs 5 09-17-2003 09:55 PM


All times are GMT -4. The time now is 03:35 AM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2014 Axivo Inc.
Copyright ©1999 - 2014, North American Subaru Impreza Owners Club, Inc.