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Custom V-mount with Cold Air Ducting

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Old 01-06-09 | 08:57 PM
  #26  
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I'm in the process of doing the full PS to manual conversion. Just have to bolt everything back again. We will see how much of a difference it makes. I drove the car for a few years with it looped.
Old 02-27-09 | 09:26 PM
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My idea is coming to fruition, the v-mount is almost done. The raditor is already fixed in place and the intercooler is roughly where its going to be. It is not hitting the hood in the position it is in and has a very good angle for airflow.






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Old 02-28-09 | 12:48 AM
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Nice lookin. I'm surprised to see how much of an angle the rads on (I own an FC so no reference). I guess the idea is that the incoming air will get trapped into the V so as it builds it's forced to turn and some goes down some up?
Old 02-28-09 | 12:53 AM
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Thats the job of the ducting to make sure it has no where else to go except radiator, intercooler, and intake. I'm also gonna add an adjustable splitter to guide the air more to the intercooler or the radiator depending on temps.

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Old 02-28-09 | 12:53 PM
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Marco, I hate to say this, but the plastic bags are going to hurt performance

Old 02-28-09 | 12:56 PM
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Originally Posted by classicauto
Marco, I hate to say this, but the plastic bags are going to hurt performance

I'm trying something new, it will work, you'll all see! Plastic bags provide hidden heat dissipation efficiencies.

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Old 02-28-09 | 01:36 PM
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Originally Posted by thewird
I'm trying something new, it will work, you'll all see! Plastic bags provide hidden heat dissipation efficiencies.

thewird
heat dissipation doesn't mean jack if you have no air entering the engine ;D

I've thought about vmount, but cant justify buying a new hood and replacing the sexiness of the stock t2 hood.

It looks good. can't wait to see it finished.
Old 02-28-09 | 03:57 PM
  #33  
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Sorry to take away from your thread, but maybe you can helmp me with my FC Vmount.
I bought a summit rad, where should I plumb the heater core return line?! lol
Old 03-14-09 | 11:25 PM
  #34  
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Updates?
Old 03-14-09 | 11:51 PM
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Still the same as in the pictures. It should be ready this week although ducting might be missing. Ducting might be ready the week after but I'm gonna be driving the car this week as soon as everything is fixed in place and my suspension is setup .

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Old 03-15-09 | 12:52 AM
  #36  
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That thing looks ugly
Old 03-15-09 | 12:56 AM
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Originally Posted by 7_rocket
That thing looks ugly
Not gonna be reeling in the ladies with my V-mount lol , just needs to be functional

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Old 03-19-09 | 09:42 PM
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More updates, just needs one coupler hose and ducting...

My car will be ready tomorrow for driving (no ducting) so I'll take better pics with a non-camera phone.






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Old 03-20-09 | 12:56 AM
  #39  
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i am in the middle of building the same setup, just curious how you ran the hose on the lower front closest to the bmpr? pics? did you run it under the rad behind the fans or did you mod the rad so both hoses come out at the top now closest to the water pump?
Old 03-20-09 | 04:00 AM
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Originally Posted by baggedoutmazda
i am in the middle of building the same setup, just curious how you ran the hose on the lower front closest to the bmpr? pics? did you run it under the rad behind the fans or did you mod the rad so both hoses come out at the top now closest to the water pump?
If your talking about the return on the radiator, the pipe was cut and re-welded so it would go backwards under the radiator.

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Old 03-20-09 | 09:43 PM
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ur piping is shorter than mine, but its because u have a full single kit and because ur ic core is smaller length wise....but man that IS short!
Old 03-21-09 | 02:05 AM
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Originally Posted by 2Fierce
ur piping is shorter than mine, but its because u have a full single kit and because ur ic core is smaller length wise....but man that IS short!
Looks like it paid off too. I did some quick tuning to 14 PSi tonight just so I could have some fun. I now get full boost by 3800 RPM! With my old setup it would only get full boost by 4200-4300 RPM. Thats a 400-500 RPM difference just by changing the intercooler setup and pipes! I wonder if I'll make more power now

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Old 03-21-09 | 04:18 AM
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v-mount OR bust!
Old 03-21-09 | 07:52 AM
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Originally Posted by thewird
Looks like it paid off too. I did some quick tuning to 14 PSi tonight just so I could have some fun. I now get full boost by 3800 RPM! With my old setup it would only get full boost by 4200-4300 RPM. Thats a 400-500 RPM difference just by changing the intercooler setup and pipes! I wonder if I'll make more power now

thewird
Originally Posted by 2Fierce
v-mount OR bust!
Firstly, you guys both need to get more sleep... say of the midnight to 8AM persuastion....it will help you ease into the 'older and greying' phase a little more efficiently 10 years from now....

thewird, the results are very interesting. You didn't mention if the ambient conditions were exactly the same. If not, I'd be curious to find out what the difference would be if the ambient temperature was closer to what it was the last time you tuned it.
Old 03-21-09 | 11:42 AM
  #45  
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I think it was actually colder. I only drove the 500R one day last year on December 5th. According to the weather network, the min temp was -8*C that day. We'll go with the minimum temps since both times were late at night. Yesterdays minimum temp was -6.4*C. So for the sake comparison we can assume its the same.

However, I believe my intake temps were slightly colder from last time. I was reading -2*C AIT and 69*C water temp and when I did WOT, my water temps would actually drop to 68*C at speed lol. I need to put some cardboard in the in front of the oil coolers or something while its still cold. The car definitely feels better and is more responsive even though its running mostly rich.

For the sake of completeness there were some other changes on the car. I swapped in my Greddy Iridium Pro plugs, tightened the BOV to just before compressor surge, have a bigger K&N filter that is in front of the rad getting cold air (but thats due to vmount design), and moved the AIT sensor to post-intercooler pipe. Also, to note, my IC pipes are now bigger, 3" in, 2.75" out and are shorter/smoother, as well the intercooler is shorter and thicker but that is part of the design and my goal.

I'll post a new pic soon that shows the intake an all. Just need to wash the baby

Also, I now do believe it will make more power. When I was adjusting the tune, I was doing changes across the RPM range equally since the fuel curves should be similar to the last time. But I noticed where it would get rich down low, it would get leaner up top. So I'm very curious to see what it does on the dyno now.

thewird
Old 03-21-09 | 03:00 PM
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so you'll blow it up real good??
Old 03-21-09 | 05:12 PM
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Originally Posted by 2Fierce
so you'll blow it up real good??
Yes, thats the first thing on my mind.

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Old 03-21-09 | 08:15 PM
  #48  
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Beauty and functionality can coexist.

But first you must believe.
Old 03-21-09 | 10:57 PM
  #49  
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After spending ~3 hours carefully washing the car I forgot to take a picture . Tomorrow guys for sure hehe.

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Old 03-22-09 | 11:16 AM
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Unfortunately that V mount is mostly useless without ducting to control air flow. It's been 'working' not because of the design but simply because of the sub zero ambient temps, the charged air is obviously not putting any heat stress into the aluminum.

Not syaing it's a bad job, just an unfinished one. Come the warmer temps and you will notice a rise in water and charge air temps over the OEM setup.



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