Bad idea to piece together a turbo??? - 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 04-25-2012, 12:04 AM   #1
Elite Member
Thread Starter
iTrader: (11)
 
Join Date: Feb 2009
Posts: 2,982
Total Cats: 10
Default Bad idea to piece together a turbo???

If you can get a good CHRA, compressor, and turbine housing separately. IS there any reason not to do this and just buy the hardware (bolts, seals, backing plate) from ATP?

I've got a line on a 2860rs for $275, but it's missing the backing plate, bolts, and seals to put it all together. Parts would be an extra $100 through ATP.

If it's easy to put together, then it seems like it would be worth $375
miatauser884 is offline   Reply With Quote
Old 04-25-2012, 09:25 AM   #2
Elite Member
iTrader: (11)
 
Join Date: Jun 2007
Location: Overland Park, Kansas
Posts: 5,382
Total Cats: 43
Default

I don't see any reason not to, but I'm no expert on turbochargers. Backing plates and hardware don't seem like critical items that would _have_ to match, plus you'd change out some of that if you did a compressor upgrade anyway. Sounds like a sweet deal for a BB trubo!
elesjuan is offline   Reply With Quote
Old 04-25-2012, 03:24 PM   #3
Hear me Meow
iTrader: (3)
 
skidude's Avatar
 
Join Date: Apr 2008
Location: Outside Portland Maine
Posts: 1,993
Total Cats: 13
Default

People replace the compressor and exhaust housings all the time, I don't see why buying them separately would be any different.
skidude is offline   Reply With Quote
Old 04-25-2012, 04:12 PM   #4
mkturbo.com
iTrader: (24)
 
shuiend's Avatar
 
Join Date: May 2006
Location: Charleston SC
Posts: 13,775
Total Cats: 1,106
Default

The question becomes how cheaply you can get the housings. ScottFW might have a spare housing.
shuiend is offline   Reply With Quote
Old 04-26-2012, 12:25 AM   #5
Elite Member
iTrader: (4)
 
Pen2_the_penguin's Avatar
 
Join Date: Dec 2009
Location: Reno, NV
Posts: 3,690
Total Cats: 97
Default

its like an AR-15, you have to source the quality and measurements, but there if done right, its definitely profit
Pen2_the_penguin is offline   Reply With Quote
Old 04-26-2012, 01:18 AM   #6
Elite Member
iTrader: (2)
 
Join Date: Jan 2007
Location: Los Angeles, CA
Posts: 8,782
Total Cats: 119
Default

It is easy as pie. No probemli
Faeflora is offline   Reply With Quote
Old 04-26-2012, 11:34 PM   #7
Junior Member
 
Join Date: Feb 2010
Posts: 277
Total Cats: 4
Default

It's not bad, I built a few hybrids for my FC when I had it, never had any problems with any of them. In fact, one I bought different wheels, housings and CHRAs just to experiment with and found a local diesel shop that rebuilt, assembled and balanced it for $50. It can be a pretty good deal and it's not hard at all especially if you're just changing the housings.
Sam TII is offline   Reply With Quote
Old 04-29-2012, 08:45 PM   #8
Elite Member
Thread Starter
iTrader: (11)
 
Join Date: Feb 2009
Posts: 2,982
Total Cats: 10
Default

Well I just won the auction, and am about to purchase the hold down hardware from ATP. I'll have a complete 2860rs for $350. Hopefully it doesn't explode.

It was either this or a godspeed 3076. After running a 2870 churbo and making 280hp at 19psi I felt that the increase in efficiency couldn't hurt. Plus it will spool faster.

I don't think I'll give up anything to the churbo. If I go bigger later on, it will probably be with a 3071.

I saw a thread the warned against upgrading a compressor wheel because the chra will need to be rebalanced. Depending on the balancing cost, it could be cost effective to upgrade to a 2871. Just a thought.
miatauser884 is offline   Reply With Quote
Old 04-29-2012, 08:48 PM   #9
Slowest Progress Ever
iTrader: (26)
 
thirdgen's Avatar
 
Join Date: Oct 2007
Location: The coal ridden hills of Pennsylvania
Posts: 5,806
Total Cats: 183
Default

Was this the eBay auction for the 2860?
thirdgen is offline   Reply With Quote
Old 04-29-2012, 09:27 PM   #10
Elite Member
Thread Starter
iTrader: (11)
 
Join Date: Feb 2009
Posts: 2,982
Total Cats: 10
Default

Quote:
Originally Posted by thirdgen View Post
Was this the eBay auction for the 2860?
yeah.

60 A/R compressor housing 2860rs CHRA and a .86 A/R exhaust housing.

Was that you running up the turbo price???
miatauser884 is offline   Reply With Quote
Old 04-29-2012, 09:28 PM   #11
mkturbo.com
iTrader: (24)
 
shuiend's Avatar
 
Join Date: May 2006
Location: Charleston SC
Posts: 13,775
Total Cats: 1,106
Default

Link to auction wince you already won?
shuiend is offline   Reply With Quote
Old 04-29-2012, 09:36 PM   #12
Elite Member
Thread Starter
iTrader: (11)
 
Join Date: Feb 2009
Posts: 2,982
Total Cats: 10
Default

Quote:
Originally Posted by shuiend View Post
Link to auction wince you already won?
http://www.ebay.com/itm/300700000104...#ht_500wt_1287
miatauser884 is offline   Reply With Quote
Old 04-29-2012, 09:46 PM   #13
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

Good deal.
hustler is offline   Reply With Quote
Old 04-29-2012, 09:54 PM   #14
Slowest Progress Ever
iTrader: (26)
 
thirdgen's Avatar
 
Join Date: Oct 2007
Location: The coal ridden hills of Pennsylvania
Posts: 5,806
Total Cats: 183
Default

Quote:
Originally Posted by djp0623 View Post
yeah.
Was that you running up the turbo price???
Yup. You shoulda pm'd me and I would backed off...
So what's up with your 2870?
thirdgen is offline   Reply With Quote
Old 04-29-2012, 10:21 PM   #15
Elite Member
Thread Starter
iTrader: (11)
 
Join Date: Feb 2009
Posts: 2,982
Total Cats: 10
Default

Quote:
Originally Posted by thirdgen View Post
Yup. You shoulda pm'd me and I would backed off...
So what's up with your 2870?
Nothing really. I think that a quicker spooling turbo will be more suited to barber motorsports park. I only go to that one track and I find the spool to be a little too slow on the churbo. It's probably me not doing my part to keep the rpms up.

The 2870 put down the power (280+), but it was at 19psi. I'm hoping to put down a little more power, but have it come on sooner. I don't think I will see huge power gains, which could be disappointing. The turbo is still solid, zero shaft play, etc.

I also think the 2860 could be a little more fun around town. I've read that it's efficient until almost 24psi. I'm curious what the numbers will be with my setup.
miatauser884 is offline   Reply With Quote
Old 04-29-2012, 10:29 PM   #16
Slowest Progress Ever
iTrader: (26)
 
thirdgen's Avatar
 
Join Date: Oct 2007
Location: The coal ridden hills of Pennsylvania
Posts: 5,806
Total Cats: 183
Default

Are you gonna sell the 2870?
thirdgen is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
91 1.6l turbo complete part out. Tony the Tiger Miata parts for sale/trade 63 12-29-2016 03:23 AM
Turbo 1995 Miata Low mileage Clean Tekel Cars for sale/trade 29 02-05-2016 05:16 PM
Need ideas mounting IWG actuator JasonC SBB DIY Turbo Discussion 7 09-23-2015 08:25 PM
New here, saying hi, here's what I'm workin with. SuperSneakySecretSquirrel Meet and Greet 5 09-06-2015 09:30 PM


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 07:53 AM.