Oil cooled VS. Oil & Water Cooled - Page 2 - 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 07-02-2008, 04:58 PM   #21
Boost Pope
iTrader: (8)
 
Joe Perez's Avatar
 
Join Date: Sep 2005
Location: Delicious and Moist.
Posts: 26,328
Total Cats: 1,926
Default

Oh, great- you just gave away or big power secret. Give it six months, and the folks over at CR will be proclaiming how they picked up 45 HP just by welding their turbo to the manifold...
Joe Perez is offline   Reply With Quote
Old 07-02-2008, 05:17 PM   #22
Boost Czar
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,900
Total Cats: 1,793
Default

Quote:
Originally Posted by zoom2zoom View Post
fwiw, srt4's only have oil lines from the factory and they produce more power in stock form than 80% of the cars on here.

never judge by a Neon always judge by a Porsche race car
Braineack is offline   Reply With Quote
Old 07-02-2008, 05:17 PM   #23
Murderator
iTrader: (76)
 
18psi's Avatar
 
Join Date: Apr 2008
Posts: 36,206
Total Cats: 2,587
Default

Quote:
Originally Posted by zoom2zoom View Post
fwiw, srt4's only have oil lines from the factory and they produce more power in stock form than 80% of the cars on here.
im sorry, but you really didnt think that one through.
Quote:
Originally Posted by Newbsauce View Post
That really means nothing. ****, they also weld their turbo to the manifold. Since they make more power then 80% of the cars on here I better get welding.
hey while you're in there, sti's have a boxer engine and make more power as well, better cut your engine in half and weld it together in boxer formation
18psi is offline   Reply With Quote
Old 07-02-2008, 06:36 PM   #24
Elite Member
iTrader: (3)
 
Mach929's Avatar
 
Join Date: Oct 2004
Location: lansdale PA
Posts: 2,500
Total Cats: 0
Default

Quote:
Originally Posted by Braineack View Post
never judge by a Neon always judge by a Porsche race car
hmmm, what about air-cooled porsches?
Mach929 is offline   Reply With Quote
Old 07-02-2008, 06:40 PM   #25
I'm Miserable!
iTrader: (5)
 
Join Date: Sep 2005
Location: SLC, Utah
Posts: 1,591
Total Cats: 0
Default

Quote:
Originally Posted by 18psi View Post
im sorry, but you really didnt think that one through.

hey while you're in there, sti's have a boxer engine and make more power as well, better cut your engine in half and weld it together in boxer formation
Dude, what was your point? Do you even own a Miata? If you are going to find fault with something, you need to say why. Otherwise you just look like an idiot!! But I guess you have already proven that one....
zoom2zoom is offline   Reply With Quote
Old 07-02-2008, 06:44 PM   #26
Elite Member
iTrader: (14)
 
Join Date: Mar 2006
Location: Edmonton, AB
Posts: 4,921
Total Cats: 0
Default

Quote:
Originally Posted by zoom2zoom View Post
Dude, what was your point? Do you even own a Miata? If you are going to find fault with something, you need to say why. Otherwise you just look like an idiot!! But I guess you have already proven that one....
Yes you have looking like an idiot down to an art form.
jayc72 is offline   Reply With Quote
Old 07-02-2008, 07:32 PM   #27
!!! NOT CONFIRMED !!!
Thread Starter
 
Join Date: Jun 2008
Location: Auburn, CA
Posts: 18
Total Cats: 0
Default

Quote:
Originally Posted by zoom2zoom View Post
fwiw, srt4's only have oil lines from the factory and they produce more power in stock form than 80% of the cars on here.
Mopar designed the SRT-4 to not have water lines so I'm sure its fine, plus Im pretty sure they have an oil cooler. Mazda on the other hand did not design the Miata for a turbo.
David_LB is offline   Reply With Quote
Old 07-02-2008, 07:35 PM   #28
I'm Miserable!
iTrader: (5)
 
Join Date: Sep 2005
Location: SLC, Utah
Posts: 1,591
Total Cats: 0
Default

Quote:
Originally Posted by David_LB View Post
Mopar designed the SRT-4 to not have water lines so I'm sure its fine, plus Im pretty sure they have an oil cooler. Mazda on the other hand did not design the Miata for a turbo.
Are you even familiar with the history of the Miata engine?
zoom2zoom is offline   Reply With Quote
Old 07-02-2008, 08:27 PM   #29
Elite Member
iTrader: (17)
 
Join Date: May 2007
Location: NY
Posts: 1,614
Total Cats: 2
Default

there's a storm a brewing in here...getting popcorn for 2 episodes of "mt.net bashing" thats heading our way in 4-3-2-....
TonyV is offline   Reply With Quote
Old 07-02-2008, 08:28 PM   #30
!!! NOT CONFIRMED !!!
Thread Starter
 
Join Date: Jun 2008
Location: Auburn, CA
Posts: 18
Total Cats: 0
Default

Quote:
Originally Posted by zoom2zoom View Post
Are you even familiar with the history of the Miata engine?
I would love to hear about the history of the Miata engine, but that is neither here nor there. The engine in my car was not factory turbocharged. Are you talking about the BPT? Anyone have any info of the BPD? I haven't been able to find anything on either ones. Ive never taken one apart so I may be wrong, but I'm willing to bet its quite a bit different then the one in my car. Can anyone tell me for sure? Sorry for any nubness. I'm learning as fast as I can!

Last edited by David_LB; 07-02-2008 at 08:49 PM.
David_LB is offline   Reply With Quote
Old 07-02-2008, 08:35 PM   #31
I'm Miserable!
iTrader: (5)
 
Join Date: Sep 2005
Location: SLC, Utah
Posts: 1,591
Total Cats: 0
Default

Quote:
Originally Posted by David_LB View Post
That is neither her nor there, the engine in my car was not factory turbocharged.
But I hope you are familiar with the history of the car you drive.
zoom2zoom is offline   Reply With Quote
Old 07-02-2008, 09:31 PM   #32
!!! NOT CONFIRMED !!!
Thread Starter
 
Join Date: Jun 2008
Location: Auburn, CA
Posts: 18
Total Cats: 0
Default

Quote:
Originally Posted by zoom2zoom View Post
But I hope you are familiar with the history of the car you drive.
Give me some time lol. I joined this platform a week ago.
David_LB is offline   Reply With Quote
Old 07-02-2008, 09:41 PM   #33
Senior Member
iTrader: (5)
 
Join Date: Nov 2007
Location: Troy, MI
Posts: 860
Total Cats: 13
Default

Why all the commotion? Its pretty simple: if you're willing to change your oil regularly and idle the engine for atleast 30 secs before shutting down the vehicle, a coolant feed might not be required.

But I would think that a CHRA designed for oil/coolant feed should not be run without coolant, one because the oil supply is restricted (typically with a hole as small as 0.065") on such CHRA's, two because the cooling passages are designed with a view towards running coolant through them. Oil-only turbos have more of the CHRA surface area exposed to the air, unlike the ones with coolant passages.

Further, vehicles used on the track may not require the use of a water-cooled CHRA, because the latter's primary function is in the post-shutdown "heatsoak" phase, where danger of coking is the highest. Since racing vehicles are not subjected to frequent stop-go cycles and are allowed the luxury of proper warm-up/cool-down time, a water-cooled CHRA becomes more of a necessity on street-driven vehicles, which is what most of us have.

Hence, the verdict is clear, if your turbo has provisions for coolant in/out, use them! Its simple enough on the miata engine, how much lazier can one get?

Oh, and I got most of this information from my room-mate who was an application engineer for Cummins Turbo Technologies (Holset).

Last edited by The_Pipefather; 07-02-2008 at 09:53 PM.
The_Pipefather is offline   Reply With Quote
Old 07-02-2008, 10:01 PM   #34
!!! NOT CONFIRMED !!!
Thread Starter
 
Join Date: Jun 2008
Location: Auburn, CA
Posts: 18
Total Cats: 0
Default

Quote:
Originally Posted by The_Pipefather View Post
Why all the commotion? Its pretty simple: if you're willing to change your oil regularly and idle the engine for atleast 30 secs before shutting down the vehicle, a coolant feed might not be required.

But I would think that a CHRA designed for oil/coolant feed should not be run without coolant, one because the oil supply is restricted (typically with a hole as small as 0.065") on such CHRA's, two because the cooling passages are designed with a view towards running coolant through them. Oil-only turbos have more of the CHRA surface area exposed to the air, unlike the ones with coolant passages.

Further, vehicles used on the track may not require the use of a water-cooled CHRA, because the latter's primary function is in the post-shutdown "heatsoak" phase, where danger of coking is the highest. Since racing vehicles are not subjected to frequent stop-go cycles and are allowed the luxury of proper warm-up/cool-down time, a water-cooled CHRA becomes more of a necessity on street-driven vehicles, which is what most of us have.

Hence, the verdict is clear, if your turbo has provisions for coolant in/out, use them! Its simple enough on the miata engine, how much lazier can one get?

Oh, and I got most of this information from my room-mate who was an application engineer for Cummins Turbo Technologies (Holset).
I can see if a turbo was designed to be water cooled it will cool better with them, but i still havent picked out my turbo (hence this thread). My concern was how the engine was affected. If I decided to go oil cooled only I wouldn't use a Turbo with a watercooled CHRA.
David_LB is offline   Reply With Quote
Old 07-06-2008, 11:23 PM   #35
Junior Member
 
Join Date: Feb 2007
Location: Winona, MN
Posts: 198
Total Cats: 0
Default

This is kinda on topic. But im running water and oil cooling my turbo. And on a cold start up if you hit boost at all, it heats to coolant on the block so fast that the thermostat wont open and it gets to 3/4 to the hot side before opens. Replaced the thermo and no help. Might just remove it so it wont spike.
LOOINEY is offline   Reply With Quote
Old 07-06-2008, 11:46 PM   #36
Guest
iTrader: (6)
 
Join Date: Sep 2007
Location: Vaughan, On, Canada
Posts: 1,092
Total Cats: 0
Default

I know many people who don't run coolant on their Garrett BB Turbos. I never ran coolant on my GT4088 at 27psi on my Honda. No issues!
M-Tuned is offline   Reply With Quote
Old 07-06-2008, 11:57 PM   #37
Murderator
iTrader: (76)
 
18psi's Avatar
 
Join Date: Apr 2008
Posts: 36,206
Total Cats: 2,587
Default

Quote:
Originally Posted by zoom2zoom View Post
Dude, what was your point? Do you even own a Miata? If you are going to find fault with something, you need to say why. Otherwise you just look like an idiot!! But I guess you have already proven that one....
and your comment was so ******* smart? I did find a fault with the stupidity you wrote: you mentioned a car that has NOTHING to do with miata's and said "if its running this configuration and making lots of power, then......." Its stupid, not thought through, and I called you on it.. the boxer engine remark was just stirring the pot a bit more, as people seemed to be having fun from your stupid remark at your expense.

are you seriously not seeing the failed logic here? If a turbo is made to be cooled with water as well as oil, dont you think it was designed that way? if it was just made to be cooled with oil then it wont even have the water line hook ups. plain and simple....just cause many are not water cooling theirs and drive around fine doesnt mean that its the way the turbo was made to operate.

ps: me not owning a miata at the moment has nothing to do with it. kthnxbye
18psi is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
OTS Bilstein to motorsports ASN conversion stoves Suspension, Brakes, Drivetrain 5 04-21-2016 04:00 PM
Expected intake temps on the track? tazswing Race Prep 20 10-03-2015 12:04 PM
Moroso Air Oil Separator Catch Can Aroundcorner Miata parts for sale/trade 2 10-01-2015 04:20 PM


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 09:07 AM.