Drilling out the turbine housings flange - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


DIY Turbo Discussion greddy on a 1.8? homebrew kit?

Reply
 
 
 
LinkBack Thread Tools
Old 02-06-2010, 01:13 PM   #1
Junior Member
Thread Starter
 
Join Date: Jun 2009
Posts: 79
Total Cats: 0
Default Drilling out the turbine housings flange

Hi guys I'm currently installing my turbo and in my infinite wisdom I sent my manifold to corky to get worked on (he did a great job!) and the manifold looked to have already been drilledto fit a 10mm stud. I assembled the manifold and mounted it on the car, then I went to put the turbo on and noticed the holes for the studs were too small and despite the manifold being drilled for 10mm they accepted 8mm stude

No machine shops are open during the weekend so I'm kinda screwed. Can I just take this to a buddy with a drill press, or use a hand drill, should I just wait until monday? I'm trying to not screw up my turbine housing.

Any help is appreciated and I'm already prepping my flame suit.
5:04 is offline   Reply With Quote
Old 02-06-2010, 01:17 PM   #2
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

Clamp it down well on the drill press, use alot of cutting fluid or you'll burn the drill bit very very quickly, and go slow with it.

If you have a way to hold it and don't mind taking your time you could do it with a hand drill. It's going to suck either way. Lots of patience and cutting fluid will get he job done. If you don't have a fresh drill bit or two for the job i suggest buying brand new ones.
cjernigan is offline   Reply With Quote
Old 02-06-2010, 02:30 PM   #3
Junior Member
 
Join Date: Jun 2007
Location: Lenexa, KS
Posts: 129
Total Cats: 0
Default

We used a hand drill on mine took a whole 5min. Just make sure to thoroughly clean up any and all metal shavings.
crnrhrd is offline   Reply With Quote
Old 02-06-2010, 02:43 PM   #4
Elite Member
iTrader: (10)
 
Join Date: Oct 2008
Location: Seattle, Wa
Posts: 1,780
Total Cats: 30
Default

+1 on hand drill. While you are in there, helicoil that bish.
Jeff_Ciesielski is offline   Reply With Quote
Old 02-06-2010, 04:07 PM   #5
Junior Member
iTrader: (1)
 
Join Date: Apr 2008
Location: Bristol
Posts: 442
Total Cats: 0
Default

Why helicoil the turbine housing when he is trying to fit a larger stud?
Duckie_uk is offline   Reply With Quote
Old 02-06-2010, 04:11 PM   #6
Elite Member
iTrader: (13)
 
cjernigan's Avatar
 
Join Date: Oct 2006
Location: Atlanta, GA
Posts: 8,147
Total Cats: 6
Default

There is nothing to helicoil, it will be a through hole. His manifold has already been drilled and tapped for 10mm studs.
cjernigan is offline   Reply With Quote
Old 02-06-2010, 04:21 PM   #7
Junior Member
iTrader: (1)
 
Join Date: Feb 2006
Posts: 196
Total Cats: 1
Default

Get a hard metal bit. It took me no time at all to do mine with a hand drill.
sicklyscott is offline   Reply With Quote
Old 02-06-2010, 04:56 PM   #8
Junior Member
iTrader: (3)
 
Join Date: Apr 2009
Location: McDonough Ga.
Posts: 356
Total Cats: -26
Default

I used a bridgeport with an angle plate and drilled mine that way,the importnat part is to insure that the drill is square on both axis before drilling.Of course be sure that you leave no chips in the housing...Blow it out with air-then run it through your dish washer 2x...just dont get caught doing that.
(G)
Reverend Greg is offline   Reply With Quote
Old 02-06-2010, 10:52 PM   #9
Junior Member
Thread Starter
 
Join Date: Jun 2009
Posts: 79
Total Cats: 0
Default

Thanks for the advice guys, as it turns out I have two friends with drill presses so I'm going to go get set up now.
5:04 is offline   Reply With Quote
Old 02-06-2010, 10:56 PM   #10
Elite Member
iTrader: (10)
 
Join Date: Oct 2008
Location: Seattle, Wa
Posts: 1,780
Total Cats: 30
Default

Quote:
Originally Posted by cjernigan View Post
There is nothing to helicoil, it will be a through hole. His manifold has already been drilled and tapped for 10mm studs.
Why? Because I fail at reading, thats why!
Jeff_Ciesielski is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Another Cast Manifold Corky Bell Prefabbed Turbo Kits 18 11-22-2016 10:01 PM
My solution for Oiltemp and Oilpressure input into Megasuirt (MS3) Zaphod MEGAsquirt 41 01-24-2016 01:25 PM
Back to Stock Part Out!! Turbo Parts, MS2 Enhanced 01-05, Suspension, and MOAR! StratoBlue1109 Miata parts for sale/trade 16 10-02-2015 10:39 AM
MT detectives, help me ID my old POS turbo AlwaysBroken DIY Turbo Discussion 3 09-21-2015 02:44 AM


Thread Tools

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 08:05 PM.