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

My dry sump s475 powered p-port build.

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Old Jul 27, 2009 | 02:53 PM
  #51  
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Originally Posted by Chaotic_FC
ok, i'll keep that in mind.

As far as the aluminum welds go, do you think i should re-make the fittings? It was a first attempt, and so far, i am only really pleased with the way it looks visually.
It looks pretty solid. I was just throwing out ideas in case you want to make another version down the road. What you have will work. I think you should finish up your project with what you have done. You have a lot of other things to worry about.

When its all done and you get to the testing you might want to data log the oil pressure during whatever type of driving your going to do.
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Old Jul 30, 2009 | 09:20 PM
  #52  
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do you think i should go with individual oil pressure sensors for each of the scavenge pumps?
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Old Jul 30, 2009 | 11:08 PM
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you've done quite an impressive job with this project so far. love the fact that YOU do the work yourself in terms of design and machining things. however, if i had to choose a part to drool over it would be the oil pan/plate. i can't wait to see the intake manifold.

good luck and keep up the awesome work.
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Old Jul 31, 2009 | 12:49 AM
  #54  
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Originally Posted by diabolical1
you've done quite an impressive job with this project so far. love the fact that YOU do the work yourself in terms of design and machining things. however, if i had to choose a part to drool over it would be the oil pan/plate. i can't wait to see the intake manifold.

good luck and keep up the awesome work.
thank you very much, it means the hell of a lot to me.
and i cant wait to see the intake mani either!
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Old Aug 2, 2009 | 05:51 PM
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Originally Posted by Chaotic_FC
do you think i should go with individual oil pressure sensors for each of the scavenge pumps?
It doesn't matter if the scavenge lines run dry for a little bit. What you should worry about is the oil tank running out of reserve oil for the pressure pump. No pressure = spun bearings. I'd figure out a way to log a pressure sensor tapped into the pressure line just before the engine.
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Old Aug 2, 2009 | 07:51 PM
  #56  
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Originally Posted by PvillKnight7
It doesn't matter if the scavenge lines run dry for a little bit. What you should worry about is the oil tank running out of reserve oil for the pressure pump. No pressure = spun bearings. I'd figure out a way to log a pressure sensor tapped into the pressure line just before the engine.
ok, so all i have to do is make sure my oil tank is big enough that its not possible for the system to run dry? I mean, in theory, if there isn't enough space for the oil to go, then it'll never run dry.
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Old Aug 12, 2009 | 07:18 PM
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Originally Posted by Chaotic_FC
ok, so all i have to do is make sure my oil tank is big enough that its not possible for the system to run dry? I mean, in theory, if there isn't enough space for the oil to go, then it'll never run dry.
Just a small note I think might make a difference. Does oil decrease in volume when it heats up?
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Old Aug 12, 2009 | 08:20 PM
  #58  
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Originally Posted by g14novak
Just a small note I think might make a difference. Does oil decrease in volume when it heats up?
seems like common logic would explain that it increases.. but hell, mabey it plays the same game as water and ice.
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Old Aug 13, 2009 | 12:27 AM
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Looks good Chaotic. You are really thinking outside the box. I wish you the best of luck and hope everything turns out well for you!
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Old Aug 13, 2009 | 07:54 AM
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oil increases in volume over temp rise...hence checking oil in trans or engine is always done at OP temps....
And oil tends to overflow a dip stick when hot if overfull,,,,,,,,,
this is due tp the wax crystaline structure of oil as it cools and heats up..of course that also is related to viscosity (wax crystals) but is alos directly related to voulume as well
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Old Aug 13, 2009 | 08:20 AM
  #61  
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Originally Posted by 13B-RX3
Looks good Chaotic. You are really thinking outside the box. I wish you the best of luck and hope everything turns out well for you!
thank you, i hope so too
Originally Posted by ziig
oil increases in volume over temp rise...hence checking oil in trans or engine is always done at OP temps....
And oil tends to overflow a dip stick when hot if overfull,,,,,,,,,
this is due tp the wax crystaline structure of oil as it cools and heats up..of course that also is related to viscosity (wax crystals) but is alos directly related to voulume as well
thats what i thought..

what do you think is a good size for a dry sump tank?
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Old Aug 13, 2009 | 09:21 AM
  #62  
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thought mabey you guys would enjoy these drawings of mine, of what my engine will look like when its done:





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Old Aug 13, 2009 | 11:02 AM
  #63  
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ok... thats just too much damn free time.
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Old Aug 14, 2009 | 01:06 AM
  #64  
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Originally Posted by Chaotic_FC
thought mabey you guys would enjoy these drawings of mine...
Those fenders look an awful lot like what I designed for my vert. Should I get a set made up for you
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Old Aug 14, 2009 | 01:39 PM
  #65  
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Originally Posted by RX-Heven
Those fenders look an awful lot like what I designed for my vert. Should I get a set made up for you
thats because they are the ones you made for your vert.

i'll hit you up when i have the extra 2400$.. that is the plan
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Old Aug 15, 2009 | 06:03 AM
  #66  
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Originally Posted by Chaotic_FC
thought mabey you guys would enjoy these drawings of mine, of what my engine will look like when its done:






Yea have to get one of those intakes... Sick man, sick.
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Old Sep 1, 2009 | 08:50 PM
  #67  
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Pics or GTFO. Come on man I wanna see this get together, looks exciting.
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Old Sep 2, 2009 | 10:51 AM
  #68  
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well since you asked sooo nicely..

the s475 next to a holset hx35 (which is for sale)
for size reference the tiles are 1' squares.




some better pics of my dry sump:



got the other piece of the plenum tacked up, sitting in place:



a whole bunch of AN fittings, 6an aluminum hardline, and 4 stainless steel injector bungs (bottom right)




unfortunatly this isn't going to progress too much for a little bit, due to my inability to find a good paying job.
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Old Sep 2, 2009 | 04:28 PM
  #69  
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I heard that. Fortunately I'm moving to Jax fairly soon. if I can find a nice place that's good and inexpensive. A job would be nice too.
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Old Sep 2, 2009 | 10:27 PM
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that's a huge turbo! good luck with this project!
hey pm me a price for that hx35...and specs/pictures...


thanks....
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Old Sep 7, 2009 | 02:41 AM
  #71  
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Check out Delslow's build, he had the same turbo I do beleive on his p-port. Might help with your build. Looks great thus far, good luck!

Ty
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Old Sep 7, 2009 | 06:02 PM
  #72  
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Originally Posted by Trjackson
Check out Delslow's build, he had the same turbo I do beleive on his p-port. Might help with your build. Looks great thus far, good luck!

Ty
yeah delslow is a big inspiration for what i am building. he however has the s480, not the s475.

and thank you!
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Old Oct 3, 2009 | 09:13 PM
  #73  
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Looks like a hell of a project. Love that you are doing all the work. Good luck on everything coming up!!!
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Old Oct 4, 2009 | 02:15 PM
  #74  
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Originally Posted by Cgotto6
Looks like a hell of a project. Love that you are doing all the work. Good luck on everything coming up!!!
thank you
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Old Oct 4, 2009 | 03:35 PM
  #75  
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lol adam is so behind... with his 12a and here goes u with this build lol what happend to the porsch???
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