Single Turbo RX-7's Questions about all aspects of single turbo setups.

Coming along nicely...

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Old Oct 26, 2005 | 12:55 PM
  #26  
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Wow!! Looks great! Congrats on getting everything up and running guys. Comitatus, I know you're happy bro!

Zach
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Old Oct 27, 2005 | 12:20 PM
  #27  
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But i was thinking..... I don't see any wastegate dump to the exhaust on your setup Luke..... are they just venting to atmosphere????
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Old Oct 27, 2005 | 12:46 PM
  #28  
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Yep! That's the way I wanted it... :-)
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Old Oct 27, 2005 | 02:04 PM
  #29  
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that manifold is nice... great work
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Old Oct 27, 2005 | 05:01 PM
  #30  
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Originally Posted by Comitatus
Yep! That's the way I wanted it... :-)
owww my ears.
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Old Oct 27, 2005 | 07:57 PM
  #31  
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holy crap you spent some serious cheese on that setup :x
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Old Nov 1, 2005 | 06:40 PM
  #32  
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Here are some pics from the other day when I let it idle for a bit...
Attached Thumbnails Coming along nicely...-dscf0244-small.jpg   Coming along nicely...-dscf0245-small.jpg   Coming along nicely...-dscf0248-small.jpg   Coming along nicely...-dscf0249-small.jpg  
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Old Nov 1, 2005 | 11:20 PM
  #33  
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i'm not sure whats up with BDC's site (or my computer) but the videos keep crashing my internet explorer. can anybody else link them for me so they dont stream?
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Old Nov 3, 2005 | 02:10 AM
  #34  
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Yeah, I've been trying to find a way to download the vids myself...
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Old Nov 3, 2005 | 03:03 AM
  #35  
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Right click - Save as
http://bdc.cyberosity.com/d/5104-3/MVI_3419.avi
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Old Nov 9, 2005 | 08:00 PM
  #36  
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Nice!!!

Luke,

Your engine looks absolutely awesome. Good Work!!! I am hoping to have mine runningagain before the next RR.

Take care

Michael
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Old Nov 11, 2005 | 06:52 PM
  #37  
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Looks very nice. When is the tune? Carl
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Old Nov 11, 2005 | 10:45 PM
  #38  
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Got any dyno numbers yet?
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Old Nov 11, 2005 | 11:31 PM
  #39  
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Uhm, uh guys, why was that engine running with no coolant?

I have no problem running an engine for a couple of minutes with no waterpump belt or radiator or whatever, as long as the block is full of coolant which will still absorb quite a bit of heat. What is going to absorb the heat created during that runtime, though short? I see no way to fill the block with coolant, so I assume there was none...

Looks and sounds awesome other than that Brian always does a great job on his porting and building.
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Old Nov 12, 2005 | 01:52 AM
  #40  
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If it only ran for a minute or two then its probably fine. The specific heat capacity of the cast irons is probably sufficent for a very short run time. I wouldnt run it for 5+ minutes though.

CJG
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Old Dec 24, 2005 | 11:23 PM
  #41  
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Any updates luke?
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Old Dec 25, 2005 | 02:37 PM
  #42  
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I've been following this thread for a while and I must say, WOW! I wish I had that! But I gotta ask you, do you have the water pump belt installed correct? IT looks like you have it routed outside the water pump pulley instead of inside. If it is wrong, is that a big deal? Water flowing in the opposite direction?
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Old Dec 25, 2005 | 02:55 PM
  #43  
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He has it installed right, thats how they are routed stock. But i do envy those pullys.

CJG
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Old Oct 4, 2006 | 02:37 PM
  #44  
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Hey guys, thanks for all the compliments again...
Had it tuned and dynoed in the spring.
She put down about 470whp at 18.5psi on race gas. It was a conservative tune by BDC as well.
We actually had to adjust some things on my boost controller to not allow the boost to come on so quick...this thing built boost CRAZY fast, almost too fast for the data logs to keep up.
Justin's manifold is awesome, I love it! Thanks to his hard work and engineering the design, my motor can breath like its meant to.


Here you can check out some pics and vids.
http://bdc.cyberosity.com/v/Tuning/Ohio_June06/
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Old Oct 6, 2006 | 06:50 PM
  #45  
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Originally Posted by Comitatus
Hey guys, thanks for all the compliments again...
Had it tuned and dynoed in the spring.
She put down about 470whp at 18.5psi on race gas. It was a conservative tune by BDC as well.
We actually had to adjust some things on my boost controller to not allow the boost to come on so quick...this thing built boost CRAZY fast, almost too fast for the data logs to keep up.
Justin's manifold is awesome, I love it! Thanks to his hard work and engineering the design, my motor can breath like its meant to.


Here you can check out some pics and vids.
http://bdc.cyberosity.com/v/Tuning/Ohio_June06/


Can't wait to finish my project
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Old Oct 6, 2006 | 07:12 PM
  #46  
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Originally Posted by Comitatus
Oh, and HPC is a coating similar to Ceramic coating, I believe mine is good up to about 16-1700 degrees or some crazy number.
I hope it's good for more than that----my EGTs are measured in the downpipe and typically reach a peak of 1400 degrees, and higher temps aren't unheard of, especially in the manifold and turbine housing.

A good friend of mine is a ceramic coater, and he tells me that the cerama-chrome he offers isn't ideal for exhaust components because it tends to yellow over the course of a few months, and always recommends his cerama-black for manifolds, turbines and downpipes. Here are the temp ratings for his coatings:

<<We have three kinds of Ceramic Coating available in order to offer thermal protection for all applications:

Cerama-Chrome: a Chrome Like Finish with 1600 Degree Finish Protection.

Cerama-Gray: a Flat Gray Finish with 2000 Degree Finish Protection.

Cerama-Black: a Flat Black Finish with 3600 Degree Finish Protection.>>
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