Clocking SR T25 Help - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


Insert BS here A place to discuss anything you want

Reply
 
 
 
LinkBack Thread Tools Search this Thread
Old 03-17-2007, 09:59 PM   #1
Senior Member
Thread Starter
 
Join Date: Apr 2005
Location: NAS Oceana/VA
Posts: 759
Total Cats: 0
Default Clocking SR T25 Help

Well, I went to put in my SR T25 today and had to clock it. Call me stupid but I thought all you had to do was remove the 4 bolts on the exhaust housing and the center part rotates. Cause thats what I did and there was no rotating going on. I soaked the bitch in PB Blaster and busted out Mr. Hammer and even he couldnt get it to move. All the bolts are loose so what the **** am I missing? This really messed my day up. Oh well, its St. Drinking Day so off to do that whole thing.
getsidewaysd1 is offline   Reply With Quote
Old 03-17-2007, 10:21 PM   #2
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

Get a bigger hammer.
Seriously though it should turn, loosening those bolts will allow the center section to turn, not the compressor side. I haven't had any stick real bad. Though when tearing down my SR20 T25 i clamped the turbine housing in a vise and turned the bearing housing with a big pair of channel locks.
cjernigan is offline   Reply With Quote
Old 03-17-2007, 10:49 PM   #3
Elite Member
iTrader: (9)
 
Join Date: Aug 2006
Location: Concord, North Carolina
Posts: 4,173
Total Cats: 5
Default

That should work the same way for a GT2554r?
miatamania is offline   Reply With Quote
Old 03-17-2007, 10:56 PM   #4
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

Don't see why not. It depends on how the bearing housing is held to the turbine housing. Either way you just lossen up the fastening device that holds them together, turn it, tighten it back up.
cjernigan is offline   Reply With Quote
Old 03-17-2007, 11:00 PM   #5
Elite Member
iTrader: (9)
 
Join Date: Aug 2006
Location: Concord, North Carolina
Posts: 4,173
Total Cats: 5
Default

Quote:
Originally Posted by cjernigan View Post
Don't see why not. It depends on how the bearing housing is held to the turbine housing. Either way you just lossen up the fastening device that holds them together, turn it, tighten it back up.
awesome.
miatamania is offline   Reply With Quote
Old 03-18-2007, 12:52 AM   #6
Newb
 
Join Date: Mar 2007
Posts: 9
Total Cats: 0
Default

I called up Corky at Bell because my T25 would not move and I thought I was beating the hell out of it. He said to soak it with WD40,PB blaster, Liquid wrench for a few days then beat it harder. Came loose but I thought I was going to break it. It is not a natural thing to beat on a turbo.
confuzzled is offline   Reply With Quote
Old 03-18-2007, 01:00 AM   #7
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

Use a dead-blow hammer or a lead hammer if you're real worried about hurting something. Don't break the compressor housing if that's what you're beating on.
cjernigan is offline   Reply With Quote
Old 03-18-2007, 01:10 AM   #8
Elite Member
iTrader: (7)
 
samnavy's Avatar
 
Join Date: Apr 2006
Location: VIRGINIA BEACH, VA
Posts: 6,020
Total Cats: 175
Default

Yes, soak in PB Blaster for a day. Then put the turbo in the freezer overnight. The following morning, hit the opposite side of the housing with a torch... trying to keep the CHRA cool. Get the housing hot and the metal will expand... it'll come off with a nice smack with a rubber mallet. DON'T USE A HAMMER ON THE CHRA!!! Only use the hammer on the housing. I ruined my first turbo with the "just hit it harder" method.
samnavy is offline   Reply With Quote
Old 03-18-2007, 01:20 AM   #9
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

Quote:
Originally Posted by samnavy View Post
I ruined my first turbo with the "just hit it harder" method.
That sucks. Do you think that was part of the reason behind your seals leaking?
cjernigan is offline   Reply With Quote
Old 03-18-2007, 01:30 AM   #10
Elite Member
iTrader: (9)
 
Join Date: Aug 2006
Location: Concord, North Carolina
Posts: 4,173
Total Cats: 5
Default

Quote:
Originally Posted by cjernigan View Post
That sucks. Do you think that was part of the reason behind your seals leaking?
I'd go with maybe?

So if its stuck, we can beat the exhaust housing only?
miatamania is offline   Reply With Quote
Old 03-18-2007, 01:46 AM   #11
Elite Member
iTrader: (7)
 
samnavy's Avatar
 
Join Date: Apr 2006
Location: VIRGINIA BEACH, VA
Posts: 6,020
Total Cats: 175
Default

No, No, NO!!! My FIRST turbo was ruined. My next four were the ones that didn't work out.

I would clamp the CHRA in a vice, torch the housing, and hit the housing.
samnavy is offline   Reply With Quote
Old 03-18-2007, 02:40 AM   #12
Boost Czar
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

yeah it took a torch to rotate Brad's CHRA from the turbine.
Braineack is offline   Reply With Quote
Old 03-18-2007, 11:24 AM   #13
Elite Member
iTrader: (2)
 
Newbsauce's Avatar
 
Join Date: Jul 2006
Location: NoVA
Posts: 2,304
Total Cats: 2
Default

Quote:
Originally Posted by Braineack View Post
yeah i took a torch to rotate Brad's CHRA from the turbine.
Liar! It took a torch to remove the bolts... and a torch to rotate it.. and I wont be surprised if I have to again.
Newbsauce is offline   Reply With Quote
Old 03-18-2007, 11:35 AM   #14
Junior Member
 
Join Date: Dec 2006
Posts: 85
Total Cats: 0
Default

Quote:
Originally Posted by Braineack View Post
yeah i took a torch to rotate Brad's CHRA from the turbine.
Yep, 5 mins with a torch and she finally rotated the 20* I needed!

I was hitting it like a girl before that, cause i didn't want to break anything! :gay:

By the way, what does CHRA stand for?

60AGS
t25miata is offline   Reply With Quote
Old 03-18-2007, 11:49 AM   #15
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

center housing rotating assembly
cjernigan is offline   Reply With Quote
Old 03-18-2007, 01:58 PM   #16
Senior Member
Thread Starter
 
Join Date: Apr 2005
Location: NAS Oceana/VA
Posts: 759
Total Cats: 0
Default

Good **** guys. Thanks. What did you use for a wastegate?
getsidewaysd1 is offline   Reply With Quote
Old 03-18-2007, 03:06 PM   #17
Elite Member
iTrader: (7)
 
samnavy's Avatar
 
Join Date: Apr 2006
Location: VIRGINIA BEACH, VA
Posts: 6,020
Total Cats: 175
Default

The wastegate is internal to the turbine housing. Did you mean wastegate actuator? If so:

1st post, #4. I live near Wesleyan College. $30. You'll need to drill/tap new holes on the back of the compressor housing. The rod itself needs a little more of a bend... you'll need a vice to hold it while you heat/bend it. I have the tap and die, vice, torch. Let me know.
samnavy is offline   Reply With Quote
Old 03-18-2007, 03:37 PM   #18
Senior Member
Thread Starter
 
Join Date: Apr 2005
Location: NAS Oceana/VA
Posts: 759
Total Cats: 0
Default

Ya, I ment actuator. I've got 4 of them laying around all from various turbo's but thanks for the offer. I do have one off of a DSM T25. You think that one works the best?
getsidewaysd1 is offline   Reply With Quote
Old 03-21-2007, 11:18 PM   #19
Junior Member
 
Join Date: Mar 2007
Posts: 93
Total Cats: 0
Default

so to clock it, you don't have to take the four bolts out of the CHRA, you just can loosen them?
s10383 is offline   Reply With Quote
Old 03-21-2007, 11:25 PM   #20
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

^ Yes, loosen them like a turn or two, should rotate freely.

Last edited by cjernigan; 03-21-2007 at 11:25 PM. Reason: typo
cjernigan is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Project Gemini - Turbo Civic on the Cheap Full_Tilt_Boogie Build Threads 59 12-15-2017 09:00 PM
Garrett Turbo, 1.8 Oil Pan, & Misc. Stuff nbdooey Miata parts for sale/trade 9 08-30-2017 10:50 PM
Another Cast Manifold Corky Bell Prefabbed Turbo Kits 18 11-22-2016 10:01 PM
Noob to Miataturbo from MA JxPhan Meet and Greet 3 10-02-2015 03:17 AM
why is my car running like pewp? (tune/datalog) itsMikey MSPNP 3 09-28-2015 07:40 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 09:49 PM.