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 subaruboxer
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| posted on May 7th, 2005 at 08:52 PM |
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and the right side
In the meantime I had some trouble with radiators. I took 3 radiators out of cars that i rode as daily drivers and stored them for a longer period of
time. When I put them into my bug they were all leaking. I went for a new one now. If you store a used radiator, fill it up with coolant (not just
water) if you want to use it later on.
[Edited on 16-5-2005 by subaruboxer]
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subaruboxer
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| posted on May 16th, 2005 at 08:05 PM |
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Yesterday I put the new radiator in and filled the system with coolant. Two weeks ago I changed the routing of the hose to the heater. When I moved
the trans up I had so little room in front of the engine, that I thougt it is best to get the hose away from under the intake manifold. It is now
running between the manifold and the alternator over to the right side and under the manifold to the heater under the rear seat.
And because of this setup and my very low positioned heater, on the pan under the rear seat, it is more difficult to get the air out and the system
filled properly.
I had the engine running 3 minutes,let it cool down and liftet
the front of the car up with a jack. After cooling for 20 minutes I let it down again, refilled coolant and had it running
5 minutes. I repeated it 2 more times. As I sad before it is important to the leave the cap on while cooling down. Take your time when filling the
coolant!
A photo of the the new setup will follow.
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RobvB
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| posted on July 20th, 2005 at 10:31 PM |
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Hi SubaruBoxer,
Very nice work !
Couple questions:
What year golf is that rad out of, is it from a GTi ?
Where did you get the fuel pump clamp ? Is that also stock Golf ? (I have the same pump I think).
Did you modify the pump to get the straight exit ? Mine has a banjo fitting at the end.
Thanks,
Rob. |
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flat_iv
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| posted on July 20th, 2005 at 10:36 PM |
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How did you plumb your expansion tank lines into the radiator lines/heater core lines?
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pete wood
A.k.a.: figure itout
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| posted on July 20th, 2005 at 10:55 PM |
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herb if there is plenty of air getting to that rad then the issue is not the rad, it must be a leak or something. My car sat on 80deg at 110km/h all
the way to stockton the other day, and that was with a stock EJ25 rad with a scoop pushing air in front of it. Is your water pump good?
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subaruboxer
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| posted on July 22nd, 2005 at 04:15 AM |
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The new radiator.
Hi Rob,
the radiator is of a '82 golf Gti, the fuel pump is a Bosch.
What is a fuel pump damp?
I would not install a Gti radiator again, I would instead choose a full metall (aluminium) radiator ove the plastic/metall ones. A good source for
finding the right rad is eBay. You find all measurments there and pictures of the rads, and you can compare prices. The Japanese cars come with pretty
good rads.
The Gti fuel pump would put out to much pressure for my engine.
Hi flat_iv,
the expansion tank lines go to the heater line right at the engine.
Jörg
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72RSbug
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| posted on July 22nd, 2005 at 06:49 AM |
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@subaruboxer,seems like you have the exact same way of mounting the fan up front.
I have 3 pieces of aloy to mount it but one already broke after about 2 months of driving it.
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rubyred
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| posted on July 22nd, 2005 at 07:17 AM |
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oh man, good thing i read this...can someone tell me more about needing the heater to be connected?
i am not using a heater on my ej, and i did actually block the heater tube on the coolant manifold. should i just unplug it, and run a hose
connecting the coolant manifold, to the bottom water inlet?
thanks a bunch.
-Ryan
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RobvB
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| posted on July 22nd, 2005 at 07:19 AM |
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I meant the Clamp, the bracket which holds the pump.
I need one of those, but have been unable to find it.
Man, I can't believe how clean that rad install is.... nice work !
Rob.
| Quote: | Originally
posted by subaruboxer
The new radiator.
Hi Rob,
the radiator is of a '82 golf Gti, the fuel pump is a Bosch.
What is a fuel pump damp?
I would not install a Gti radiator again, I would instead choose a full metall (aluminium) radiator ove the plastic/metall ones. A good source for
finding the right rad is eBay. You find all measurments there and pictures of the rads, and you can compare prices. The Japanese cars come with pretty
good rads.
The Gti fuel pump would put out to much pressure for my engine.
Hi flat_iv,
the expansion tank lines go to the heater line right at the engine.
Jörg
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ricola
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| posted on July 22nd, 2005 at 09:37 PM |
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You will probably find that a VW coil clamp is ideal for most fuel pumps!
Rich
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pete wood
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 posted on July 22nd, 2005 at 09:59 PM |
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too much pressure?
| Quote: | Originally
posted by subaruboxer
Hi Rob,
The Gti fuel pump would put out to much pressure for my engine.
Jörg
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Umm, the fuel pump dosen't control the pressure, the pressure regulator does. It's on the left hand rear side of the rear fuel reail as you are
facing the engine from the rear of the car.
People use larger fuel pumps for extra fuel flow (hence more HP), not pressure. I am using a (EFI) pump of a 3litre turbo engine that's rated for
over 300 HP, as I understand. It doesn't cause pressure problems because the pressure regulator, the factory one I might add, controls the pressure
in the lines. You'll only get pressure issues if the regulator isn't working properly.
Just thought you might like to know.
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subaruboxer
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| posted on July 23rd, 2005 at 02:45 AM |
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| Quote: | Originally
posted by ricola
You will probably find that a VW coil clamp is ideal for most fuel pumps!
Rich
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Hi Rich,
you are right again, mine is aVW coil clamp too!
Jörg
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subaruboxer
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| posted on July 23rd, 2005 at 02:57 AM |
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| Quote: | Umm, the fuel pump
dosen't control the pressure, the pressure regulator does. It's on the left hand rear side of the rear fuel reail as you are facing the engine from
the rear of the car.
People use larger fuel pumps for extra fuel flow (hence more HP), not pressure. I am using a (EFI) pump of a 3litre turbo engine that's rated for
over 300 HP, as I understand. It doesn't cause pressure problems because the pressure regulator, the factory one I might add, controls the pressure
in the lines. You'll only get pressure issues if the regulator isn't working properly.
Just thought you might like to know.
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I didn't say that the pump controlls the pressure. And if you know of the regulator , as I do, you should know that
you can't gain power by installing a fuel pump that puts out more pressure. The regulator keeps the pressure at a certain level, not more or less! If
you don't modify the regulator, you put more pressure to the hoses or tubes from the tank to the engine(regulator), but not to the injectors. You
can't gain power by adding a stronger fuel pump to a bone stock engine. But you have to install different hoses or tubes for the higher pressure and
those are more expensive as is a stronger fuel pump. To me it makes no sense.
Jörg
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subaruboxer
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| posted on July 23rd, 2005 at 03:02 AM |
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| Quote: | Originally
posted by rubyred
oh man, good thing i read this...can someone tell me more about needing the heater to be connected?
i am not using a heater on my ej, and i did actually block the heater tube on the coolant manifold. should i just unplug it, and run a hose
connecting the coolant manifold, to the bottom water inlet?
thanks a bunch.
-Ryan
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Hi Ryan,
you should connect the two heater tubes if you have no heater installed.
Jörg
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subaruboxer
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| posted on July 23rd, 2005 at 03:04 AM |
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| Quote: | Originally
posted by 72RSbug
@subaruboxer,seems like you have the exact same way of mounting the fan up front.
I have 3 pieces of aloy to mount it but one already broke after about 2 months of driving it.
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Hi 72rsbug,
thanks for the note, I will keep an eye on it.
Jörg
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pete wood
A.k.a.: figure itout
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| posted on July 23rd, 2005 at 02:46 PM |
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| Quote: | | Quote: | Originally
posted by subaruboxer
Umm, the fuel pump dosen't control the pressure, the pressure regulator does. It's on the left hand rear side of the rear fuel reail as you are
facing the engine from the rear of the car.
People use larger fuel pumps for extra fuel flow (hence more HP), not pressure. I am using a (EFI) pump of a 3litre turbo engine that's rated for
over 300 HP, as I understand. It doesn't cause pressure problems because the pressure regulator, the factory one I might add, controls the pressure
in the lines. You'll only get pressure issues if the regulator isn't working properly.
Just thought you might like to know.
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I didn't say that the pump controlls the pressure. And if you know of the regulator , as I do, you should know that
you can't gain power by installing a fuel pump that puts out more pressure. The regulator keeps the pressure at a certain level, not more or less! If
you don't modify the regulator, you put more pressure to the hoses or tubes from the tank to the engine(regulator), but not to the injectors. You
can't gain power by adding a stronger fuel pump to a bone stock engine. But you have to install different hoses or tubes for the higher pressure and
those are more expensive as is a stronger fuel pump. To me it makes no sense.
Jörg
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I added a stronger pump to a bone stock engine for two reasons. 1. The standard EFi pump for subies is in tank and I needed an external one, and, 2.
it was cheaper and more easily available than the stock liberty EFI pump. Besides, if it's stronger then it should be under less stress than the
standard one.
It flowing a buck-load more fuel than the standard unit didn't come into the equation really. Just a lucky by-product.
Anyway, I got off topic, sorry. The point I was making was that a more powerful fuel pump won't increase the pressure in your fuel lines, just the
amount of fuel flow.nn[ Edited on 23-7-2005 by pete wood ]
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subaruboxer
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| posted on July 23rd, 2005 at 07:42 PM |
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Hi Pete,
the subaru fuel pump puts out 2,5 bar pressure and the Gti fuel pump (the one that was talked about) puts out 4,7 to 5,4 bar pressure. That is more
than twice the pressure you need for a subie engine. The K-Jetronic is working with this high pressure.
A higher fuel flow doesn't make sense with the regulator, either. The regulator is sending more fuel back to your tank, you have your fuel flowing
faster from the tank to the engine and back again.
I understand your situation, it was available cheap and does work of course. But it is nothing to be recommended.
Jörg
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rubyred
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| posted on July 24th, 2005 at 12:21 PM |
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i think you should counter the big fuel pump with a massive turbo upgrade and some beefy injectors :P
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hotdog008
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| posted on July 24th, 2005 at 04:09 PM |
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ryan,
you need to run water from the top manifold
to the bottom thermostate housing (easy to use your old heater hose out) so your thermostate works properly
with out this it only sees cool water and will not open untill too late
hotdog ej20t manx
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seagull
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| posted on July 24th, 2005 at 09:21 PM |
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This is the set up in my new toy
This is a three row , with a 8" fan I have a small pipe at the top , this returns the water and air back to my fill point & bleeds the system of any
air .I have had mine running in the shed , with no problems
Jak & Matt have my header>fill tanks fitted to there WRX machines > and I have not been informed that they had problems with there cars .
To make my set worse I have a wheel smack in the front of my radiator , we will soon see if it gets hot .
Lets see whu can guess what my subaru motor is in now .
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Looking for that special lady : PM me for coffee & cake
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pete wood
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| posted on July 24th, 2005 at 10:05 PM |
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| Quote: | Originally
posted by rubyred
i think you should counter the big fuel pump with a massive turbo upgrade and some beefy injectors :P
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you're a very bad man ruby red, maybe I should report you... 
but seriously, I wish, unfortunately the motor is too big to do that legally, and before you suggest it, I'm not doing it illegally either. 
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pete wood
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| posted on July 24th, 2005 at 10:07 PM |
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| Quote: | Originally
posted by subaruboxer
Hi Pete,
the subaru fuel pump puts out 2,5 bar pressure and the Gti fuel pump (the one that was talked about) puts out 4,7 to 5,4 bar pressure. That is more
than twice the pressure you need for a subie engine. The K-Jetronic is working with this high pressure.
A higher fuel flow doesn't make sense with the regulator, either. The regulator is sending more fuel back to your tank, you have your fuel flowing
faster from the tank to the engine and back again.
I understand your situation, it was available cheap and does work of course. But it is nothing to be recommended.
Jörg
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You may be right, but I haven't had an issue yet, and besides the less time the fuel spends near the engine the cooler it stays. Also, as the fuel
flows more times it passes throught filter more times, so there is an upside. But I take your concerns. I stop getting off topic now. 
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subaruboxer
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| posted on September 26th, 2005 at 03:33 AM |
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As I had the engine out, for changing the clutch, I took the chance to throw the heater out. I heard that I don't need one to get it registered. A
little electric fan to defog the windows is all I need. It was always a little annoying while filling the coolant. This pichture shows how the two
heater hoses are connected now. The T-piece goes to the expansion tank.
[ Edited on 14-10-2005 by subaruboxer ]
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subaruboxer
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| posted on October 15th, 2005 at 05:53 AM |
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Had the beetle on the road for a few days, unfortunately the summer is over here, so that it was not possible to do real tests in warm weather. But
at a constant speed of 160 kph everything was just fine. When I went 180 kph for 5 minutes the temps went up to 95 degrees. The temp of the of the
ambient air was 25 celcius. As I don't like the whole pattern now that I had it on the street, I will let air in to the radiator through the horn
grills and the area under the bumper only.
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jamesbissland
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| posted on October 18th, 2005 at 04:11 PM |
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Looks great!!
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flat_iv
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| posted on November 17th, 2005 at 11:17 AM |
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I noticed your reverse water neck.. Did you reweld the end of the neck to clear the engine? Or did you just slide a longer 90 deg. hose to make up the
difference? Silicone hose.?
Thanks
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subaruboxer
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| posted on November 18th, 2005 at 03:55 AM |
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Hi flat_iv,
i just cut the manifold, took a dremel tool made a groove into it for the hose and put a 90° silicon hose on it. It is a reducer (38 to 32 mm). It did
fit perfectly, it is not a longer one.
Jörg
[ Edited on 17-11-2005 by subaruboxer ]
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subaruboxer
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| posted on May 13th, 2006 at 07:03 PM |
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As I didn´t like the look with the holes in the front, I want to have a sleeper look, I changed it a bit!
Here is what it looks like now!
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subaruboxer
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| posted on May 13th, 2006 at 07:05 PM |
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I put hoses (70 mm ) to the horn grills that bring air to the top of the radiator now!
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subaruboxer
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| posted on May 13th, 2006 at 07:13 PM |
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I painted the scoop, and everything else visible black to hide it. Now it is looking pretty stock!
I tested it on the German Autobahn without the hoses to the top of the radiator, at a constant speed of 150 kph it was fine. Faster and the temps
went up! Then I connected the hoses to the horn grills, and went three times 180 km/h for 20 minutes. The watertemp was sitting at 90° and the oiltemp
at 110°!
Now I have to wait for the summer to come, and we will see what it is like at 30 degrees celcius.
The temp now is 15 to 20 degrees celcius.
I am pretty happy with the way it looks now.
What do you think about it?
[ Edited on 13-1-2007 by subaruboxer ]
[ Edited on 21-4-2007 by subaruboxer ]
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