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> Vapor Lock?, myth or reality?
flamejet
post Jul 17 2008, 02:18 AM
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ok, ive read/seen it everywhere, that when you make an open intake, you increase the chances of vapor lock. be it driving in rain, or hitting a puddle, whatever. how real of a chance is this?

i have been attending weekend race events with the local SCCA autocross, and have modified an original set of headlamps, to hold an intake funnel, and 3" tubing connected to a cone air filter. as of now, i only use this setup during race days, and resort back to just using the filter during daily driving. this is getting old, and fast. im looking to make this a permanant change.

(i'll post some pics of my actual setup once i pretty up the lamp assembly some more, but this is a pretty close example)



(IMG:http://img528.imageshack.us/img528/9911/dsc04425vd5.jpg)
(IMG:http://img244.imageshack.us/img244/8995/24227428zk1.png)

my setup has a cone/funnel intake in place of the bright bulb on the headlamp assembly, with a 3" tube going around the battery, connected to a cone airfilter. there are several sharp angles. (95 T5R)

how would this sort of setup be more hazardous than say, a ram air / hood scoop, or even the blower sticking out of the top of the hood, connected straight to the throttle body? i really dont want to cut a hole in my hood for a scoop :(
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Rascal2pt0
post Jul 17 2008, 10:00 AM
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I think your referring to hydro-lock not vapor lock, vapor lock is pretty much a carburetor on top problem dealing with heat. Hydro lock is sucking up water, which doesn't compress like air does and making all kinds of problems leading to broken rods.

Your intake should be fine as lone as you have a filter. Light rain isn't an issue, but if you get into pouring rain where you have problems seeing more than a few hundred feet I'd be cautious.
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woodsytf
post Jul 17 2008, 10:01 AM
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dude...

tell me you didn't just post a honda picture up in here...

:cat: :nahrung034: :puzzled:

:wacko: :blink: :unsure: :rolleyes: :huh:
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TheGreekMason
post Jul 17 2008, 03:13 PM
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yep, he did. and +1 to rascal. your setup if fine, but i wouldn't drive in light rain either being that the filter, if there is one-and should have- will onlyl absorb so much water, the rest will enter the block. even with a blower sticking out of the hood, you don't see them running in the rain. if you want to run like that on the streets, in any weather, i would add an elbow slightly lower than the inlet, a second smaller filter and then to the intake, the reason being, at least if water does enter, it will pool in the depression and the second filter will filter out the rest. also, in the elbow, i would add a dump screw, to unscrew and let any water out if there is any there. hope that made sense. never run an open pipe to the intake, it isn't rain you have to worry about, it's the crap that is kicked up by the car in front of you, ex. gravel, cig butts, etc.
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flamejet
post Jul 18 2008, 08:10 PM
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you mean like a sink, the drain trap? there should be room there for it.

yeh, i had to use that craptastic picture as an example. believe me, my setup is much better quality than that electrical tape plastic ensemble. then again, its a honda, so it fits right in ;)

i was thinking make some sort of cover or plug i can put in it during moisture days. the filter in the engine bay is still open, just that intake tube would be shut down.
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TheGreekMason
post Jul 18 2008, 08:23 PM
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is this for your 850 or for a honda? if it's for the 850, relocate the battery to the trunk, if you don't mind running cables through the car. if not, then get one of those optima batteries, turn the battery sideways, you'll open up all that room there. then you can run a straight pipe to the radiator with enough room to make a cone for air pressure. or you can run the pipe straight down with an opening in the lower bumper, the bend will stop any water from entering and you'll still get your straight through. plus, you can use those bullet filters that are made for the s60 R, real trick. check out the garage section under "other models" and look for my 96 impala. see the intake and the filters, cool air, out of the way and a straight shot in to the intake. now, if it's for the honda, sell it and buy a volvo. :bwekk:
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xpiecemealx
post Jul 18 2008, 08:31 PM
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My mother asked me if I wanted her 91 honda if I would please please sell my volvo. I had to laugh a her and said I would take the car and sell the volvo if i could buy another volvo with the money from the honda and the volvo. I told her I wanted an "r" haha.
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flamejet
post Jul 19 2008, 07:14 AM
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is this what you mean by bullet filter?
(IMG:http://img297.imageshack.us/img297/7149/11579hq6.jpg)


and yes, for the T5R, not a yawnda :57:
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TheGreekMason
post Jul 19 2008, 07:30 PM
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yeah, that's the one, that way it has a slighter profile, nothing wrong with the cone, i run a cone on both the volvo and the impala, it's just if you move the battery over, the room you create will allow a 360 degree empty space, okay maybe not empty, just emptier. oh you get what i mean, or just keep the airbox that you have now, for stealth, and just run a new hose out of the bottom to a new inlet under the bumper. there is a hose there now that fresh air enters, just re-route it so that it is more straight. good luck and post some pics.
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flamejet
post Jul 19 2008, 10:01 PM
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here is what i have so far - keep in mind, its just for race days, so about 3-5 hours. im working to pretty it up, and make the dim bulb operational again, so it can be driven at night. once all that is done, i'll probly put the fancy set of headlamps on the wife's 96 T5, and just have the stock for the passenger side on mine.

This is how my filter sits during normal operation. just kinda hangin out.
(IMG:http://img507.imageshack.us/img507/6343/norm1oa3.jpg)
(IMG:http://img525.imageshack.us/img525/9276/norm2km6.jpg)

note: the wipers were removed
(IMG:http://img398.imageshack.us/img398/8338/normfacesh5.jpg)

this is of the unit itself as it stands now. i want to get some clear acrylic and cut to the shape of the headlamp assembly. my current puzzle on that, is how to make the brightness filter for the dim light (if i left it as is, it would be basically driving with my brights on , but just my drivers side.)
(IMG:http://img507.imageshack.us/img507/2842/part1km6.jpg)
(IMG:http://img507.imageshack.us/img507/9431/part2yy9.jpg)
(IMG:http://img398.imageshack.us/img398/3542/part3cf2.jpg)

front shot with the intake funnel.
note:the hood is not fully latched...from..well, laziness.
(IMG:http://img398.imageshack.us/img398/8545/caifaceym1.jpg)

this is why the wipers were removed. to fit the funnel behind that trim piece, i have to bring it out some, and actually use that nut as sort of a retainer piece. otherwise, i can still mount the funnel, but have the lip on the outer edge of the trim piece, but wipers would still be in the way, so i think this one just looks cleaner.
(IMG:http://img398.imageshack.us/img398/5962/cai2ya6.jpg)

view from top down, to back of the headlamp assembly.
(IMG:http://img525.imageshack.us/img525/9725/cai3vy6.jpg)

top down, at the filter / hose connection. the hose goes around the battery, then elbow's up into the filter at nearly 180 degrees.
(IMG:http://img507.imageshack.us/img507/5273/cai1sa6.jpg)

i want to make this a permanent change, so ill need to get the wiring / reflector back into the headlamp case, which isnt really a big deal. if you havent taken one apart, its pretty much just a snap in process. i'll paint the inside of the assembly a flat black, to hide the adhesive and the solid tube behind the funnel. tomorrow, i'll see what i can do about that battery, doesnt look like there will be much in the way of difficulty of turnin it sideways.
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TheGreekMason
post Jul 19 2008, 10:21 PM
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***, i just erased my answer to you. ****!!!!! anyway, keep the setup, just gut out the light housing. run a mesh across the front for the track. you can use some pcv pipe to make a rigid housing for the filter, angled down for the street. quick disconnects for the lights and viola, you got the makings of a ram air setup for the track. since you only need the housing for the track, the wiring can be zip tied up to the side, cut and re-connect the lights and drive home. the funnel looks good, just a big giveaway. you can leave the filter you have on it at the end of the pvc pipe or go for the bullet filter that you showed. either way, real smart. you will need slightly longer battery cables when you turn it on its side. or for some real trick setup, optima in the trunk, you will have to run the wiring through the car, i hate when people run it under the car, looks cheap. keep us posted.
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flamejet
post Jul 19 2008, 10:25 PM
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oh, here are some photos of the T5R in action, during an SCCA SoloII autocross event. (i cant directly post the picture, due to the photographer protecting his work)

Gettin Tech'd (safety and class inspected)
http://public.fotki.com/billdayton/2008-au...568edited1.html

Poetry in motion
http://public.fotki.com/billdayton/2008-au...821edited1.html

http://public.fotki.com/billdayton/2008-au...858edited1.html

the entire day's photos can be found at
http://public.fotki.com/billdayton/2008-au...na/salina62908/
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TheGreekMason
post Jul 19 2008, 10:28 PM
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nice sweet ride. what mods besides the filter? injectors, ecu, etc?
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flamejet
post Jul 19 2008, 10:53 PM
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mm, not much else in the way of actual mods, just some minor tune up stuff, like plugs / wires from ipd. at least... yet :devil:


(IMG:http://img170.imageshack.us/img170/1082/11301ns5.jpg)
http://www.ipdusa.com/Volvo-850/Filters-&-...67-242-658-647/

(IMG:http://img167.imageshack.us/img167/678/10059tw2.jpg)
http://www.ipdusa.com/Volvo-850/Filters-&-...72-167-242-709/


my *biggest* item on the wish list, is the original Pegasus 5-spoke R rims that are supposed to be on it. the dealership told me a store about volvo being sued or soemthing, so they're not allowed to sell the car with the wheels on it. seems every time i find a set, they cost a small fortune
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ampangbear
post Jul 21 2008, 01:08 AM
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Nice job, FlameJet!
But the bending of the airhose may not be too good for the air flow.

You may want to take Greek's advice on the battery and put it sideways, allowing more room for the airhose.

In anycase, nice work!
(Again...)

:)

Cheers!
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ampangbear
post Jul 21 2008, 01:09 AM
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QUOTE(flamejet @ Jul 20 2008, 11:53 AM)
my *biggest* item on the wish list, is the original Pegasus 5-spoke R rims that are supposed to be on it.  the dealership told me a store about volvo being sued or soemthing, so they're not allowed to sell the car with the wheels on it.  seems every time i find a set, they cost a small fortune
[right][snapback]86910[/snapback][/right]




Makes the hunt that much more 'interesting' and when you finally get it, the victory that much more 'sweeter', eh?

:)
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