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einneb
Ryousuke
Joined: 10 Aug 2008
Posts: 148
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 Posted: Sun Sep 27, 2009 10:38 pm Post subject: |
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why do you use a airbox ?
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Tue Sep 29, 2009 11:31 am Post subject: |
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| einneb wrote: | | why do you use a airbox ? |
By using an air box you can draw cold air away from the engine and with the filter further away from the end of the throttle bodies there is no interference with the air speed and flow.
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einneb
Ryousuke
Joined: 10 Aug 2008
Posts: 148
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| Posted: Tue Sep 29, 2009 2:10 pm Post subject: |
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ah oke 
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Thu Oct 01, 2009 6:22 am Post subject: |
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Today the final hole in the body shell was filled with a new laminated windscreen, also another interesting discovery made as well . I lot of people here have had trouble getting a new replacement screen for these cars as the new ones all appear to be too short .Toyota have made two different scuttle panels that fit under the windscreen , one fits the original toughened glass screens from the factory and the other fits the cars that left the factory with a laminated screen that is shorter in height .All that can be purchased here in NZ is a laminated screen .
Here is a photo of the two different panels
Well you learn something everyday!
Nice and shiny!!
Managed to get a bit of work done on fitting the dash in and fitting up the center console, this takes the reservoirs for the master cylinders on the pedal box , also it will give me something to mount the fuse boxes and relays to as well
so the inside is starting to come together finally .
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Kid Karola
Takumi
Joined: 28 Jan 2009
Posts: 222
Location: Bergen - Norway
1983 Toyota Corolla AE86 (early Levin)
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| Posted: Thu Oct 01, 2009 4:37 pm Post subject: |
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I noticed that on my windscreen too when I replaced it due to a chip/crack, although the laminated screen I took out wasn't original either. I should have ordered the shorter panel when I got new sides and top trims... but the longer panel is ok (If it was short panel short screen then  )
I maybe would have mounted the remote reservoirs on the firewall behind the dash just to keep the interior less congested... but makes for easy access and keep fluid levels in check.
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Sun Nov 01, 2009 12:39 am Post subject: |
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It's a while since I have posted any photos of progress , I have been working away slowly joining all the dots together , with things like dash , clutch and brake lines, and a lot of bits and pieces.
The new filter arrived for the end of the air box , and should allow a good flow without any restriction, I still need to make a alloy shield around the radiator side of the filter to keep the warm air from passing through the radiator and into the intake ,
Also found a suitable coil pack and mounted that up, pity its from a Ford!
Also had a bit of a move around of things in the workshop so I could get the new car on the hoist , so it got it's first taste of the outdoors! I decided that it doesn't look too bad either !!
The rest of the signage should be done this week so will post a pic of it when done .
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robokill
Bunta
Joined: 07 Sep 2004
Posts: 2604
Location: Amsterdam // The Netherlands
1986 Toyota Corolla AE86 (late EU)
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| Posted: Sun Nov 01, 2009 1:06 am Post subject: |
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  I love the Levin TRD N2  Great build incredible work
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Ivan141
Moderator
Joined: 06 Sep 2004
Posts: 5191
Location: Netherlands Z-H
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| Posted: Sun Nov 01, 2009 12:25 pm Post subject: |
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Awesome car! One little thing though: why use a nice airbox like that and then fit a whopper of an open airfilter right in front of it? Seems a shame to let it suck up hot engine bay air...
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Kid Karola
Takumi
Joined: 28 Jan 2009
Posts: 222
Location: Bergen - Norway
1983 Toyota Corolla AE86 (early Levin)
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| Posted: Sun Nov 01, 2009 1:49 pm Post subject: |
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how long until it fires up into life?
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banpei
Site Admin
Joined: 15 Aug 2004
Posts: 9089
Location: Hilversum
1982 Toyota Carina
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| Posted: Sun Nov 01, 2009 4:49 pm Post subject: |
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I love the colors!
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Mon Nov 02, 2009 5:35 am Post subject: |
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| Ivan141 wrote: | | Awesome car! One little thing though: why use a nice airbox like that and then fit a whopper of an open airfilter right in front of it? Seems a shame to let it suck up hot engine bay air... |
Like I said in my post I am yet to make a shield to stop it from ingesting warm air from the radiator , what would you do to guarantee a unrestricted supply of filtered air ? I listen to any ideas . Remember the further the air has to travel through pipes more restriction and disturbance is created .
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Mon Nov 02, 2009 5:40 am Post subject: |
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| Kid Karola wrote: | | how long until it fires up into life? |
Hi I'm hoping that it should come to life around Christmas time , depending on my work commitments , I have just purchased the rear brakes and have sorted the front rotors now to fit the wilwood 4 pots in a 13'' wheel, plus more wiring and all the small bits and pieces that appear to consume large amounts of time .
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Ivan141
Moderator
Joined: 06 Sep 2004
Posts: 5191
Location: Netherlands Z-H
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| Posted: Mon Nov 02, 2009 11:49 am Post subject: |
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Ah, missed the part about making an enclosure for it... sounds like a sound idea to me. Most racecars running serious airboxes use ridiculously wide diameter piping to the front end of the car.
A well-insulated enclosure will do the trick as well I suppose. Might be worth your while to experiment a bit with cold air feeds to the enclosure, but the problem would still be that an enclosure is unlikely to seal good enough to build any positive pressure.
Not sucking up hot air is a good place to start i reckon.
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Jimmi The Kid
Wataru
Joined: 28 Jul 2006
Posts: 56
Location: Denmark
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| Posted: Mon Nov 02, 2009 6:48 pm Post subject: |
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Why not building a Ram-Air intake, a funnel ind the front, mayby with a integrated airfilter and a big pipe up to your airbox?
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Tue Nov 03, 2009 8:10 am Post subject: |
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| Jimmi The Kid wrote: | | Why not building a Ram-Air intake, a funnel ind the front, mayby with a integrated airfilter and a big pipe up to your airbox? |
One thing that I don't want to do to this body shell is to start cutting away the front panel, also I want to keep the flow of air as unrestricted as possible ,that is why I chose a large K&N filter to get the largest surface area of air,it also has a 4'' inlet to get the maximum amount of air to the airbox, so it may end up as a compromise to build a shield around the filter and house it all in the engine bay.Taking a cold feed without a filter will destroy my very expensive engine in a short time .Also with the data logging that I have in this car I will be able to keep a track of intake air temp and if it is a problem I will try something else
Here is what I have on my rally car , there is a good flow of fresh air from around the headlight area
This engine is not quite as radical as my track car so its air supply is not so critical.
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NoHachi
Moderator
Joined: 07 Sep 2004
Posts: 2223
Location: Delft - The Netherlands
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| Posted: Tue Nov 03, 2009 9:37 am Post subject: |
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Hiya, amazing build
Have you ever taken a look at the articles over at autospeed.com? They have done a lot of interesting experimentation on air filters, cold air intakes, ram air etc. Might provide some inspiration?
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Speedline
Iketani
Joined: 22 Jul 2005
Posts: 32
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| Posted: Tue Nov 03, 2009 10:06 am Post subject: |
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Hi, very nice build (not read the entire topic).
Regarding the fluid reservoirs for the pedal box. Aren't you afraid when you build up lateral G in a right corner that fluid will be pulled away from the cylinders?
With remote reservoir it's probably a better idea to keep the reservoirs exactly above the cylinders to avoid problems with fluid shifting due to cornering force.
Just my 2 cents.
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Tue Nov 03, 2009 11:21 am Post subject: |
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| Speedline wrote: | Hi, very nice build (not read the entire topic).
Regarding the fluid reservoirs for the pedal box. Aren't you afraid when you build up lateral G in a right corner that fluid will be pulled away from the cylinders?
With remote reservoir it's probably a better idea to keep the reservoirs exactly above the cylinders to avoid problems with fluid shifting due to cornering force.
Just my 2 cents. |
Thanks for your comments ,
I think that the remote reservoirs will hold enough head of pressure in them that the only time that there will be a lack of fluid at the master cylinder is when the car is upside down . It makes no difference whether the reservoirs are directly above or to one side of the master cylinder as the forces on it are the same .
cheers
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roman
Wataru
Joined: 16 Aug 2007
Posts: 71
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| Posted: Tue Nov 03, 2009 12:01 pm Post subject: |
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Just read the entire thread, fantastic build.
I aspire to be able to build a car to a similar quality one day.
It's also great to see your patience and persistence in answering questions about the build.
One question about your TRD injection manifold...
Almost everyone who I've talked to has insisted that the best way for trumpets is to have a large radius/lip, and the trumpets projecting into an open space, rather than flush mounted against a plate. As apparently a lot of the air flow comes from up around the sides.
How did the original TRD setup operate, were they enclosed in a box?
I have seen another picture that had a carbon fibre box on the end of what appears to be the TRD injection manifold, but with bellmouth extensions on it.
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robokill
Bunta
Joined: 07 Sep 2004
Posts: 2604
Location: Amsterdam // The Netherlands
1986 Toyota Corolla AE86 (late EU)
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| Posted: Tue Nov 03, 2009 12:58 pm Post subject: |
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nzae86, why not make an air box in front of the wheel then make a hole up in the front wheel arch so that you can make a top enclosure for it. Then make a big air sucking piece in the front bumper to connect it to.
Then it would get driving wind pushed into the airbox which can be suckted up by the air filter.
_________________
"08 Honda Civic Hybrid
"86 AE86 Kouki Panda Levin GT-Apex (restore project)
"84 AE86 Zenki Blue Levin (project racer) http://www.cardomain.com/ride/613398
AE86 Drive it, Skid it, Drift it.
KIS it
Keep It Sideways
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Kid Karola
Takumi
Joined: 28 Jan 2009
Posts: 222
Location: Bergen - Norway
1983 Toyota Corolla AE86 (early Levin)
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| Posted: Tue Nov 03, 2009 3:16 pm Post subject: |
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| nzae86 wrote: |
Here is what I have on my rally car , there is a good flow of fresh air from around the headlight area
This engine is not quite as radical as my track car so its air supply is not so critical. |
Is that a AE101 airbox turned around? looks neat! I recall the T3 ITB manifold mounts the throttles upside down.
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Tue Nov 03, 2009 7:35 pm Post subject: |
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| NoHachi wrote: | Hiya, amazing build
Have you ever taken a look at the articles over at autospeed.com? They have done a lot of interesting experimentation on air filters, cold air intakes, ram air etc. Might provide some inspiration? |
Hi thanks for the link , I have had a read through their articles and I think I'm heading in the right direction.
cheers
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Tue Nov 03, 2009 7:46 pm Post subject: |
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| roman wrote: | Just read the entire thread, fantastic build.
I aspire to be able to build a car to a similar quality one day.
It's also great to see your patience and persistence in answering questions about the build.
One question about your TRD injection manifold...
Almost everyone who I've talked to has insisted that the best way for trumpets is to have a large radius/lip, and the trumpets projecting into an open space, rather than flush mounted against a plate. As apparently a lot of the air flow comes from up around the sides.
How did the original TRD setup operate, were they enclosed in a box?
I have seen another picture that had a carbon fibre box on the end of what appears to be the TRD injection manifold, but with bellmouth extensions on it. |
These throttle bodies where used on the later Atlantic cars with an air box to suit the swift and ralt chassis , the did run a very small trumpet on the end , but the throttle body has a machined bell mouth in it as part of it's manufacture. I suppose TRD would have done a huge amount of testing on their setup , as you can see that this is the later setup where they ran the injectors from underneath the body , firing the fuel to the top of the inlet port giving it better atomization and swirl.
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Tue Nov 03, 2009 7:58 pm Post subject: |
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| robokill wrote: | nzae86, why not make an air box in front of the wheel then make a hole up in the front wheel arch so that you can make a top enclosure for it. Then make a big air sucking piece in the front bumper to connect it to.
Then it would get driving wind pushed into the airbox which can be suckted up by the air filter. |
Good idea , but not wanting to cut any holes is an issue , the other simple option is what the Toyota factory teams did back in the days when they ran these cars as group N , as the rules on radiator size was free , they made a radiator about 6'' narrower than standard , then built a vertical intake beside the radiator and ducted the air towards the throttle body intake .
I know that a cold air supply is important but in a 4age rwd car the exhaust is on the other side of the engine bay and when I have the headers coated the heat output is a lot lower and there is no turbo generating large amounts of heat .In all my time of racing and rallying these cars we have never had an issue. I like the theory of" Keep It Simple"
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nzae86
Ryousuke
Joined: 13 Dec 2007
Posts: 144
Location: New Zealand
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| Posted: Tue Nov 03, 2009 8:04 pm Post subject: |
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[quote="Kid Karola"] | nzae86 wrote: |
Is that a AE101 airbox turned around? looks neat! I recall the T3 ITB manifold mounts the throttles upside down. |
Good spotting , yes it is from a ae101 but I reshaped it alot to give the box more volume by cutting and welding a complete new shape to the part that bolts to the intake , as you can see the sides of the air box are now vertical, then a made a mold from my new shape then made my air box from fiber glass.
The T3 adapter does mount the bodies up the other way however I built my own and mounted the bodies up the normal way.
cheers
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