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Custom V-Mount ... YAY :) ... need feedback!

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Old Aug 23, 2010 | 01:21 PM
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Custom V-Mount ... YAY :) ... need feedback!

Hey guys... just finished my custom V-Mount Setup! ... what do you guys think!? ...

Well im not quite finished yet still have to do some minor modifications!..: Awayting alloy intercoolerhoses including the greddy elbow and a greddy injectorholder pipe... plus i have to do some ducting on the sides ... but what do you guys think so far!?

Mounts have been CNC machined so that everything is nice and solid ... C&C please!


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Old Aug 23, 2010 | 01:26 PM
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looks good so far, great job on sealing the gap between the rad and intercooler. Also make sure you seal up the sides of the rad and the frame so air doesnt go out the sides.

keep us updated with the finished product
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Old Aug 23, 2010 | 01:53 PM
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looks good, could you take pix a little further back from the front without the front bumper =) and more details! =D
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Old Aug 23, 2010 | 02:32 PM
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Looks real nice. more pics. And pics of the c n c work.
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Old Aug 23, 2010 | 06:07 PM
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looks really good! what intake are you going with?
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Old Aug 23, 2010 | 06:11 PM
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Nice, however you should try to remove as many of those bends to the I/C as possible....
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Old Aug 23, 2010 | 06:50 PM
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^^Agree. It looks really good, but those are some crazy bends in the piping. The flow path should be as straight as possible. Man I wish I had access to a cnc...
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Old Aug 23, 2010 | 08:19 PM
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Fitment looks good. You mentioned that you are doing the proper ducting, and that is good.

As others have said, the bends are killing it. I realize with the core you used, the outlets were on the side. I would have considered going with a different core.

The bends with a combination of the longer piping will affect your spool. V-mounts are great for cooling, but they also have very short piping due to their placement which helps with spool greatly.

Definitely not downing your work man... I can see you put a lot of work into this, and it does show..... just trying to give you some thoughts.
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Old Aug 24, 2010 | 02:51 AM
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Thanx a lot guys! I will post pics in the evening when ill get back from work!

Yeah piping (mostly on the passenger side (its a rhd ) has way to many bends in it! ... Thats why i ordered the greddy elbow and an injector holder... they will straighten things out ...

@XLR8 yea an other core with the in and outlet mounted on top instead of on the sides like all the other Vmounts would def. allow less piping... But i had that intercooler lying arround from one of my other projects and i thought id give it a try ... Im waiting for the Greddy Injector Holder so that i will finally be able to install my 2 SARD 850cc injectors and dynotune the Emanage Ultimate! Ill let you guys know about the results ...

I fill keep the Apexi intake for now! ( I know its not a good idea as it will suck even more hot air as their position will be moved a bit! but thats ok as im planning to go single next ... so ill have one intake less to take care of

Last edited by JDM-AREX7; Aug 24, 2010 at 02:59 AM.
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Old Aug 24, 2010 | 03:04 PM
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looks good! as far as the bends go its hard to say if its better to have those long bends or if its better to have an IC with endtanks that force the air through a 90* bend
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Old Aug 25, 2010 | 12:34 AM
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hope you modified the radiator correctly (didnt just buy a koyo and re-mount it)
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Old Aug 25, 2010 | 09:57 AM
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Looks good. In regards to the air filters/intake set up; I'm intrigued to see how that works out.
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Old Aug 25, 2010 | 11:25 AM
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Originally Posted by jonnyrx7
hope you modified the radiator correctly (didnt just buy a koyo and re-mount it)
I curious to know what you mean by modifying the radiotor for v-mount. What exactly does this require?

Jose
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Old Aug 25, 2010 | 11:30 AM
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Originally Posted by jonnyrx7
hope you modified the radiator correctly (didnt just buy a koyo and re-mount it)
+1

I'd suggest sealing up the side inlet/outlet and having a new ones made on the top of the end tanks. This will allow you to use a lot less piping and hopefully fit proper air filters. Looks like you rotated the Y pipe so now you'll have to use tiny intake filters which will suck in all that heat that raises to the top of the engine bay You also may want to think about investing in an "efini" y-pipe (the metal one.)

Good start, now finish strong.

Originally Posted by 180sx-x
I curious to know what you mean by modifying the radiotor for v-mount. What exactly does this require?

Jose
Stock radiator has the inlet at the top and the outlet at the bottom. If you flip the stock style radiator over you will then have one pipe hanging dangerously low to the ground. It's not the right way to do it at all....


Stock style radiator


Old SakeBomb Garage prototype v-mount radiator
Attached Thumbnails Custom V-Mount ... YAY :) ... need feedback!-img_0568-medium-.jpg  
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Old Aug 25, 2010 | 12:26 PM
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Hey everyone sorry for the late post but ive been really busy at work and havent done much to the car since!... today i installed the air intake and went for a test drive! ... ( monitoring everything with the Emanage ultimate and my laptop ...)

So Watertemps are the same as before... same datalog map when cruising and when racing like before! not much difference! slightly cooler actually when racing! about 2-3 degrees C° ! Intaketemps (even though i have that heat soaking intake) stay much cooler...about 10 C° ... boostcurve is same as before which surprised me because of the 5 times larger intercooler and the pipework! So i have to say im really glad with my setup so far as everything works great! Car behaves wonderfull and i would defenitly say there is a gain in power ... I guess ill see some more gains after proper ducting is done !?

Also im planning on a ram air hose that will lead to the intakes... might help a little bit :/ ...

Dont consider efini y pipes or anything as im going single in about 2 months (when my baby gets locked up in a garage) so this is just the final setup for the last quartermile race in october this year ... hoping to beat my bros supra ...

Also to be honest i think those large bends on the side of the intercooler are actually better in flow than 2 90° opening that would force air to hit the wall on the backside... if you get what i mean!? so i think ill keep the in and outlet on the side like that! ... as i relocated the battery to the trunk theres no other point in my view to change em!? .... what do you guys think!?

And finally... the radiator...

... i thought about ordering a v-mount radiator! but then i thought .. hey why not check if mine will work also!? ... so i flipped the radiator 180 degrees vertical and 180 horizontal .... and fabricated custom piping! ... it is true! it sits about 1.5" lower now than before... but i dont think thats toooo low as my car is not scraping low anyways... yeah i know alot of you guys will disagree with me but honestly... to rip that return pipe off the radiator first you have to rip off the bumper and a few other things before that happens... so as im not planning on outback rallying that car im not concearned about it that much :P ...



ill unmount the bumper on the weekend again to install my C2 front and sideskirts yei ! ... so ill make pics of the mounts and everything by then! ... if anyones interested for a writeup just let me know ...

Last edited by JDM-AREX7; Aug 25, 2010 at 12:33 PM.
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Old Aug 25, 2010 | 12:28 PM
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+1 with all the feedback. Seal the sides, as little bends as possible on the IC pipes. Try testing the pressure drop as well and IC temps before and after the IC. You might figure out the IC efficiency compared to other brands.

You might also try changing all your other IC pipes to hardpipes, those will start to go bad soon from the heat.
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Old Aug 25, 2010 | 12:30 PM
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Why did you ask for our advice again? Seems like you've got everything figured out.
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Old Aug 25, 2010 | 12:40 PM
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looks similar to mine...i used same radiator but set it up the intercooler a bit differently...having the piping go over to side like that might be a little bit restrictive, but i really dont know that for sure, just a guess i'm making from looking at it

dont look at all the missing covers and wires hanging around, i'm not done yet lol



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Old Aug 25, 2010 | 12:41 PM
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Originally Posted by 97SupraTwinTurbo
+1 with all the feedback. Seal the sides, as little bends as possible on the IC pipes. Try testing the pressure drop as well and IC temps before and after the IC. You might figure out the IC efficiency compared to other brands.

You might also try changing all your other IC pipes to hardpipes, those will start to go bad soon from the heat.
yepp cant wait for the greddy elbow and injector holder... that will get rid of all the ugly bends on the right side and silicon hoses...

ive got some old maps of intake temp from my old intercooler is that ok for comparisson or are the ic temps a lot different?!

planning to be done with sealing by the weekend as ill remove the bumper and have any access i need ...

@ scrub!

Sorry mate dont get me wrong im really thankfull for every advice! And as i just said your totally right on the radiator thing! i noticed that it sits a little lower and was concearned about this at first... i also know that there are alot of other users that would be bothered with such circumstances! But at least on my setup i dont think it is really that dangerous! ... ill post some pics of the ground clearance tomorrow just to show you guys how "low" it really is! if you have anything else apart from that point that you could tell me dont hesitate! im not new to tuning cars but def. new to rotors as its my first rx7 and i dont wanna do anything wrong! As im pretty sure you guys know a lot more im really thankful for any comment and any critic!!!
Thanks a lot to everyone so far!

And also for the intercooler pipes im not 100% sure its just my 2cts! but of what i know the flow is better this way than it would be if i would weld the current in/outlets shut and weld new ones on top!?!?!? ... intakepiping would be shorter but flow would decrease!??!?! What do you say!?
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Old Aug 25, 2010 | 12:51 PM
  #20  
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From: Germany / NRW / Lüdenscheid
@ curacaosfinest ... looking really good as far as i can tell ... but let me ask u somethin... is that water feed line going to the bottom of the radiator?! So that the water would have to travel from tha bottom to the top when in the radiator!??!!?
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Old Aug 26, 2010 | 04:17 PM
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Originally Posted by Scrub
Why did you ask for our advice again? Seems like you've got everything figured out.
Don't mind him; he's always grumpy.
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Old Aug 26, 2010 | 10:23 PM
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Originally Posted by JDM-AREX7
i noticed that it sits a little lower and was concearned about this at first... i also know that there are alot of other users that would be bothered with such circumstances! But at least on my setup i dont think it is really that dangerous! ... ill post some pics of the ground clearance tomorrow just to show you guys how "low" it really is!
You're not the first person to use an unmodified stock style radiator, but anyone looking to do it the right way should have a custom one made. Look at curacaosfinest setup. The radiator looks weird with some random pipe sticking out in the front bumper.

Originally Posted by mrb63083
Don't mind him; he's always grumpy.
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