My BEGi downpipe is a Piece... - 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 08-16-2006, 09:45 PM   #1
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default My BEGi downpipe is a Piece...

piece of art........

pics tomorrow!
Braineack is offline   Reply With Quote
Old 08-16-2006, 10:49 PM   #2
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

ok I couldn't wait:









Braineack is offline   Reply With Quote
Old 08-17-2006, 01:32 AM   #3
:(
iTrader: (7)
 
Join Date: Jul 2006
Location: nowhere
Posts: 8,281
Total Cats: 2
Default

Sweet 2 peice huh. for a second there i thought you where going to say peice of crap. Glad to see the hype is well diserved atleast as far as looks go we'll see about performance once you install it. good luck
magnamx-5 is offline   Reply With Quote
Old 08-17-2006, 11:03 AM   #4
Senior Member
 
Join Date: Jan 2005
Posts: 737
Total Cats: 0
Default

that is a nice downpipe.
F20turbo is offline   Reply With Quote
Old 08-17-2006, 11:20 AM   #5
Junior Member
iTrader: (8)
 
Join Date: Jun 2005
Location: Lansdale, PA
Posts: 426
Total Cats: 0
Default

Sure is sexy! I'm sure FM's new kit will be nice, but there is something about Corky's products that screams quality craftsmanship.
Stripes is offline   Reply With Quote
Old 08-17-2006, 11:57 AM   #6
Senior Member
 
Join Date: Dec 2004
Posts: 1,450
Total Cats: -1
Default

Kewl...does it use some kind of beehive spring to hold the two pieces together? And why not weld around the entire outside of the turbine outlet flange? Must be just "the way it's done" when welding the main bead on the inside of the flange.
bripab007 is offline   Reply With Quote
Old 08-17-2006, 12:23 PM   #7
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

Quote:
Originally Posted by bripab007
Kewl...does it use some kind of beehive spring to hold the two pieces together? And why not weld around the entire outside of the turbine outlet flange? Must be just "the way it's done" when welding the main bead on the inside of the flange.
They use a really long bolt to pull the two pieces together, you can see the two slots where it would go.

I thought the same thing at first when I saw it, but the main bead is on the inside edge (which I guess is enough), and this way you don't run into problems with the hardware getting too close to the welds.
Braineack is offline   Reply With Quote
Old 08-17-2006, 01:24 PM   #8
Senior Member
 
Join Date: Dec 2004
Posts: 1,450
Total Cats: -1
Default

Yeah, I figured the main weld is on the inside, but why weld the outside at all, then? Or, is it any better/worse to weld the entire outside of the flange and then only a little bit of the inside (the inverse of what was done here)?

Well, upon looking at the pic more closely, I see that the weld could've interfered with the stud/flange hole area.
bripab007 is offline   Reply With Quote
Old 08-17-2006, 01:45 PM   #9
Senior Member
iTrader: (14)
 
brgracer's Avatar
 
Join Date: Nov 2004
Location: Ambler, PA
Posts: 1,275
Total Cats: 1
Default

First off, that DP looks top notch.

Quote:
Originally Posted by braineack
They use a really long bolt to pull the two pieces together, you can see the two slots where it would go.
Ah...was wondering what those little nubs were for.

Quote:
Originally Posted by braineack
the main bead is on the inside edge (which I guess is enough), and this way you don't run into problems with the hardware getting too close to the welds.
Looking again, it looks like the area without welding is right by the bolt holes to avoid any intereference as you said. Talk about attention to detail.
brgracer is offline   Reply With Quote
Old 08-17-2006, 02:37 PM   #10
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

One thing I can see is that the pipe mates all the way to the inside of the flange. I dunno if that's why. Maybe I'll ask Corky next time I give BEGi a call. Either way, it works.


BTW I was right about the source of my manifold cracking. Check out where the flange was welded to the DP. Can you see a problem?

Braineack is offline   Reply With Quote
Old 08-17-2006, 03:00 PM   #11
Junior Member
iTrader: (8)
 
Join Date: Jun 2005
Location: Lansdale, PA
Posts: 426
Total Cats: 0
Default

Quote:
Originally Posted by braineack
BTW I was right about the source of my manifold cracking. Check out where the flange was welded to the DP. Can you see a problem?
[/img]

Ouch! I decided to fab a transmission bracket for my downpipe. 1500 miles later and not a problem. Hopefully it holds up.
Stripes is offline   Reply With Quote
Old 08-17-2006, 03:06 PM   #12
Supporting Vendor
iTrader: (6)
 
Join Date: Mar 2005
Location: Broken Arrow,Ok
Posts: 1,061
Total Cats: 40
Default

the reason that the inside is fully welded and the outside is only partial is also for thermal expansion. I did this on my dp also. corky covers this in his book.
Michael
TheBandit is offline   Reply With Quote
Old 08-17-2006, 03:20 PM   #13
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

Quote:
Originally Posted by Stripes
Ouch! I decided to fab a transmission bracket for my downpipe. 1500 miles later and not a problem. Hopefully it holds up.
As long as it's just holding it in place it shoudl be ok. Mine was suggested by a tuner shop...it physically pulled the DP off the K-member.
Braineack is offline   Reply With Quote
Old 08-17-2006, 03:21 PM   #14
Senior Member
 
Join Date: Dec 2004
Posts: 1,450
Total Cats: -1
Default

Quote:
Originally Posted by braineack
BTW I was right about the source of my manifold cracking. Check out where the flange was welded to the DP. Can you see a problem?
Wait, what did you have welded to that spot on the downpipe?
bripab007 is offline   Reply With Quote
Old 08-17-2006, 03:22 PM   #15
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

sorry bracket* holding the DP to the transmission.
Braineack is offline   Reply With Quote
Old 08-17-2006, 03:31 PM   #16
Senior Member
iTrader: (14)
 
brgracer's Avatar
 
Join Date: Nov 2004
Location: Ambler, PA
Posts: 1,275
Total Cats: 1
Default

Quote:
Originally Posted by braineack
Can you see a problem?
What problem? I see faster spool.
brgracer is offline   Reply With Quote
Old 08-17-2006, 03:40 PM   #17
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

not when the manifold was cracked in 4 places as well..... Self
Braineack is offline   Reply With Quote
Old 08-17-2006, 04:19 PM   #18
Junior Member
 
Join Date: Nov 2005
Posts: 87
Total Cats: 0
Default

What diameter?
tylerdurden is offline   Reply With Quote
Old 08-17-2006, 04:20 PM   #19
Senior Member
iTrader: (1)
 
Join Date: Dec 2005
Location: irvine, ca
Posts: 729
Total Cats: 0
Default

i want corky bell to seed my children.
kung fu jesus is offline   Reply With Quote
Old 08-17-2006, 04:35 PM   #20
Boost Czar
Thread Starter
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,792
Default

Quote:
Originally Posted by tylerdurden
What diameter?
Looks like 2.5" then opening up to 2.75" on the bottom section.

I also failed to mention he was nice enough to weld in a WB bung for me.
Braineack 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
Expected intake temps on the track? tazswing Race Prep 20 10-03-2015 12:04 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
1996 Turbo Build Goldwar DIY Turbo Discussion 2 09-29-2015 10:20 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 05:23 AM.