SSpeed Posted November 13, 2008 Share Posted November 13, 2008 Or so it claims... Anyway, this weekend I'm installing the Autospeed Intelligent Intercooler Sprayer as an experiment more than anything and I need some help from wagon owners. Here is what I've established already: 1) The sedan washer tank has a slot for the rear wagon pump... 2) The sedan has a connector for the rear wagon pump... 3) The sedan fusebox has a slot for the wagon rear washer/pump AND there is a fuse in it. Additionally I've heard rumor the wire off the second pump connector goes live in to the cabin (ie pre-wired for the wagon). Wagon owners: Where is your rear wiper and washer switch? Has anyone followed it to a connector? The front washer/wiper fuse is a 30A, while the back washer/wiper fuse is a 15A. I assume the fuse is for both wiper and washer pump?... Should make installation easier.. the only thing I have to figure out is where it comes in to the car and exactly how to wire it... I assume it's live already, and I want it to be live only when the controller tells it to be... I need to disconnect it from its power source, while still running it through the fuse and relay. Any input anyone has on that is greatly appreciated. I don't expect a whole lot of people to be interested, but it's a system that activates a pump based on injector duty cycle and intercooler temp vs ambient temp along with a few more algorithms thrown in there, here is an article of someone who installed one: http://www.audiworld.com/tech/eng22.shtml I'll be using a Nordskog IAT gauge in the post-IC end tank to monitor effectiveness. http://store.summitracing.com/partdetail.asp?autofilter=1&part=NRD%2DM9009%2DRB&N=700+115&autoview=sku Link to comment Share on other sites More sharing options...
thebootyhouse Posted November 13, 2008 Share Posted November 13, 2008 I haven't followed it to the connector, but the switch is on the same controller as the windshield wipers coming off of the steering column. Been looking for a nice air temp gauge. Thanks for the tip. ________ Kirsten Link to comment Share on other sites More sharing options...
SSpeed Posted November 16, 2008 Author Share Posted November 16, 2008 Well, I got this done over the weekend... intercooler temps are a lot different than I expected them to be... for some reason the second pump isn't working yet and I didn't have the ambition to take the wheel well apart again to check on it, rather I'll just establish some non-spray baselines until I get to it again... I learned a few things... the sedan doesn't have a hole for a second washer pump, but it does the have the space and the wagon "holder" works on it... I dremeled out a second pump hole to install it.. the connector is there, but good luck finding where it goes in to the cabin. I searched for about an hour, then just gave up and ran my own wire... Pics to follow... Link to comment Share on other sites More sharing options...
SSpeed Posted November 16, 2008 Author Share Posted November 16, 2008 Second pump installed http://i85.photobucket.com/albums/k62/dil222/P1020594.jpg Intercooler with gauge and controller temp probes installed http://i85.photobucket.com/albums/k62/dil222/P1020595.jpg Both front and rear washer pump connectors http://i85.photobucket.com/albums/k62/dil222/P1020596.jpg Gauges at night http://i85.photobucket.com/albums/k62/dil222/P1020602.jpg http://i85.photobucket.com/albums/k62/dil222/P1020604.jpg Gauge cluster with pump activation light http://i85.photobucket.com/albums/k62/dil222/P1020610.jpg The controller itself showing temp tripped http://i85.photobucket.com/albums/k62/dil222/P1020612.jpg Link to comment Share on other sites More sharing options...
snow05gtRI Posted November 17, 2008 Share Posted November 17, 2008 is the temp. gauge next to your boost gauge the IC temps? Link to comment Share on other sites More sharing options...
lookslikeanevo Posted November 17, 2008 Share Posted November 17, 2008 ^i would guess yes Current:MY05 SWP wagon - 253/290 UP, AEM CAI, Invidia Q300, tuned@yimisport OLD: MY06 GRP - 274/314 Link to comment Share on other sites More sharing options...
SSpeed Posted November 17, 2008 Author Share Posted November 17, 2008 Yep, that's the post-IC temp gauge... After a couple days of playing with the system off and just the gauge on, intercooler air temps are different than I would have guessed... For instance, partial throttle high boost gives no rise in temps, full throttle gives a good rise, highway cruising sits about 15-20deg above ambient and slow cruising around the parking lot actually drops temps... weird stuff, this is measuring air temp and not necessarily intercooler metal temp, which could be vastly different... Also makes me wonder how efficient our scoop is... I see snow flakes come up the hood and right over the scoop... I wonder if pressure is high enough inside the scoop that air simply bypasses it and goes over.... Link to comment Share on other sites More sharing options...
vet Posted November 18, 2008 Share Posted November 18, 2008 nterested in your project Have you seen this? http://legacygt.com/forums/showthread.php?t=94878 Link to comment Share on other sites More sharing options...
SSpeed Posted November 18, 2008 Author Share Posted November 18, 2008 nterested in your project Have you seen this? http://legacygt.com/forums/showthread.php?t=94878 I did, I actually started that thread... I was telling my girlfriend that I'd like a Dwyer Magnehelic Differential Pressure Gauge for Christmas... Link to comment Share on other sites More sharing options...
vet Posted November 19, 2008 Share Posted November 19, 2008 I did, I actually started that thread... I was telling my girlfriend that I'd like a Dwyer Magnehelic Differential Pressure Gauge for Christmas... Reading + me = fail Link to comment Share on other sites More sharing options...
SSpeed Posted November 19, 2008 Author Share Posted November 19, 2008 Reading + me = fail Ha ha, on the other hand, I give ya huge bonus points for finding that in the search! Link to comment Share on other sites More sharing options...
Merc6 Posted November 21, 2008 Share Posted November 21, 2008 Also makes me wonder how efficient our scoop is... I see snow flakes come up the hood and right over the scoop... I wonder if pressure is high enough inside the scoop that air simply bypasses it and goes over.... Was told that as well by an sti owner. 2005 Satin White Pearl Subaru Legacy 2.5 GT Unlimited 5EAT (Project Car) 2019 Agate Black Ford Explorer XLT 4WD (DD) Link to comment Share on other sites More sharing options...
SSpeed Posted November 24, 2008 Author Share Posted November 24, 2008 The more data I get from watching the gauge, the more I think that the hoodscoop doesn't do much of anything... it seems that heat coming through the radiator and going back heats the bottom side of the intercooler up or it's causing high pressure behind the intercooler and no air comes from above... I actually see temps go down slightly when I go slower or when I slightly tailgate someone, crazy, never would have thought... Link to comment Share on other sites More sharing options...
Impulse Posted November 24, 2008 Share Posted November 24, 2008 hmmm, interesting... and according to the article you linked to back in sept.. might it be more efficient to block off some of the top part of our grille then? it would *theoretically* create higher pressures lower down in the car and still cool the huge radiator. Link to comment Share on other sites More sharing options...
SeeeeeYa Posted November 24, 2008 Share Posted November 24, 2008 The more data I get from watching the gauge, the more I think that the hoodscoop doesn't do much of anything... it seems that heat coming through the radiator and going back heats the bottom side of the intercooler up or it's causing high pressure behind the intercooler and no air comes from above... I actually see temps go down slightly when I go slower or when I slightly tailgate someone, crazy, never would have thought... Do you have both your engine cover and under cover still in stock configuration? Link to comment Share on other sites More sharing options...
WhatV8 Posted November 24, 2008 Share Posted November 24, 2008 The more data I get from watching the gauge, the more I think that the hoodscoop doesn't do much of anything... it seems that heat coming through the radiator and going back heats the bottom side of the intercooler up or it's causing high pressure behind the intercooler and no air comes from above... I actually see temps go down slightly when I go slower or when I slightly tailgate someone, crazy, never would have thought... I would not doubt that at speed the pressure in the engine compartment is higher than at the inlet of the hood scoop. My SVO Mustang has its intercooler scoop in a similar location to the leading/trailing edges of the hood, albeit offset to the side a bit, as the Legacy GT scoop. Several SVO owners have proven that the airflow actually reverses at speed (i.e.- out the scoop or up through the intercooler) rather than into the scoop. You can tape small 1-2" pieces of yarn to your hood around the scoop and see for yourself as you drive around and watch from a chase vehicle. This is why you try and place one face of your intercooler in a high pressure area, usually in front of the radiator and let the lower pressure behind the radiator pull the air through it. Link to comment Share on other sites More sharing options...
SeeeeeYa Posted November 24, 2008 Share Posted November 24, 2008 I would not doubt that at speed the pressure in the engine compartment is higher than at the inlet of the hood scoop. My SVO Mustang has its intercooler scoop in a similar location to the leading/trailing edges of the hood, albeit offset to the side a bit, as the Legacy GT scoop. Several SVO owners have proven that the airflow actually reverses at speed (i.e.- out the scoop or up through the intercooler) rather than into the scoop. You can tape small 1-2" pieces of yarn to your hood around the scoop and see for yourself as you drive around and watch from a chase vehicle. This is why you try and place one face of your intercooler in a high pressure area, usually in front of the radiator and let the lower pressure behind the radiator pull the air through it. You guys just make my a** want to chew tobacco sometimes, really. http://legacygt.com/forums/showthread.php?t=28971&highlight=hood+scoop+test+video Now, remove your engine cover and things change. Remove your undercover and things change even more. Take both off and Subaru's billion dollars worth of R&D has been replaced with ........ Subaru and its parent company started building aircraft in 1917. Do you REALLY think they do not understand aerodynamics??!! For example, the 2005 Subaru LegacyGt has a Coefficient of drag: 0.29. This is the same as the same model year Corvette. Look under your car, see those tiny 'winglets' near the wheels? More aerodynamic engineering in action. The design of the hood and hood scoop to promote laminar airflow INTO the scoop is not so obvious. Become educated, don't guess. Link to comment Share on other sites More sharing options...
SSpeed Posted November 25, 2008 Author Share Posted November 25, 2008 Who can question impressive aerodynamic engineering such as this... http://retrothing.typepad.com/photos/uncategorized/oldsubaru.jpg http://subaru.pro-motors.ru/content/_large/subaru-1244-1.jpg Link to comment Share on other sites More sharing options...
SSpeed Posted November 25, 2008 Author Share Posted November 25, 2008 The video on the thread you sent is good empirical evidence that air is coming in the scoop. I still wonder why intake air temps in the post-IC end tank increase as I go faster, even while I'm not on boost, and why the post-IC intake temps drop 1-2 while the MAF temps rise 1-2 deg if I slightly tailgate someone... If everything was working as planned you would think it would be the other way around... the whole point of installing a temp sensor in the intake stream was so that I wasn't guessing as you suggest... Link to comment Share on other sites More sharing options...
itsme Posted November 25, 2008 Share Posted November 25, 2008 What you are talking about is why I went with a made a FMIC( it became the XO2 racing fmic prototype) and aslo after talking to the guy from APS. Do you need a tester with a FMIC? I'm running 20g /EWG / fmic with all supporting modds that I installed myself. I also have OS tunning and I datalog to be able to give you more info. Let me know Racer X FMIC for '05-'09 LGTs, '08+ WRX and '10+ LGT,'14+ FXT, and '15+ WRX TMIC Racerxengineering.com Link to comment Share on other sites More sharing options...
SSpeed Posted November 25, 2008 Author Share Posted November 25, 2008 What you are talking about is why I went with a made a FMIC( it became the XO2 racing fmic prototype) and aslo after talking to the guy from APS. Do you need a tester with a FMIC? I'm running 20g /EWG / fmic with all supporting modds that I installed myself. I also have OS tunning and I datalog to be able to give you more info. Let me know I should have done the same... Yeah, I'd love a tester with an FMIC just to see the difference... unfortunately this temp sensor is actually threaded in to a bung that was welded in to the post-IC end tank, so it's not so easy to transfer to another setup to try... I don't know any other easy way to get actual airstream temp numbers... Link to comment Share on other sites More sharing options...
snow05gtRI Posted November 29, 2008 Share Posted November 29, 2008 when you're at highway speeds you're probably at least doing partial boost which means the air is getting compressed more from the turbo so the temps will be higher. when you're just driving around town you're not really spooling so it's not compressing the air, so the temps dont rise. Link to comment Share on other sites More sharing options...
SeeeeeYa Posted November 29, 2008 Share Posted November 29, 2008 Who can question impressive aerodynamic engineering such as this... http://retrothing.typepad.com/photos/uncategorized/oldsubaru.jpg http://subaru.pro-motors.ru/content/_large/subaru-1244-1.jpg Just a FYI, that XT had the lowest coefficient of drag ON THE PLANET when it was introduced and still ranks as one of the all time lowest at 0.29, which BTW our LGT also shares.... only 20 years later . You also never responded to whether you have all the covers in place.... Self justification is so unattractive sometimes. Link to comment Share on other sites More sharing options...
SSpeed Posted December 1, 2008 Author Share Posted December 1, 2008 Yeah, all the covers are in still in place... I didn't realize you had asked that... Link to comment Share on other sites More sharing options...
Bbc84 Posted December 1, 2008 Share Posted December 1, 2008 subscribed Link to comment Share on other sites More sharing options...
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