I think that having the shroud setup in the front like that might not be as efficient as in the back. Does it work as well? The idea is that with the shroud it pulls from all areas of the radiator vs the localized area of the fan, but I'm not sure if a pusher fan orientation will work the same way, will it?
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Don't want to come across overly critical as I think your build is awesome, and congrats on graduating college! But I think that the current shroud setup isn't going to work as intended unless you put some seals on the sides of it.
With the pusher - the critical thing is to seal the sides of the fan against the AC condenser with some rubber or high temp foam, and then seal around the sides of the AC condenser so that air from the fan is forced to pass through the condenser and the radiator core rather than go around the sides.
If you look at the modern pusher fans that have a shroud, they have slots cut into the shroud with louvres that open at speed to increase cooling on the move. They also have rubber seals that encases the AC Condenser and seals the gap to the radiator. For example here's an e39 one:
Good luck!Comment
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I do not, the more worrysome part is rear of the engine to the heater hoses back there. There isn't much clearance between the brake pivot system and those hoses. Also the fuel hoses are tucked in there as well. If I were to do it again, I would mount solid fuel line up and along the firewall to both the input and output of the fuel rail, with only a short rubber connection between the two. I do plan on making this change if the engine comes back out sometime down the road.
There isn't room up front to run the fan so this way has to work. I can tell you the fan isn't seated directly against the a/c condensor, and you can feel airflow across the whole radiator from the back side. So in my opinion, it doesn't push air through just the localized area..
I appreciate the criticism! I can tell you that going from a straight blade fan with no shroud, to the current set up of shroud and higher CFM curved blade fan, there is a noticeable difference in performance.Don't want to come across overly critical as I think your build is awesome, and congrats on graduating college! But I think that the current shroud setup isn't going to work as intended unless you put some seals on the sides of it.
With the pusher - the critical thing is to seal the sides of the fan against the AC condenser with some rubber or high temp foam, and then seal around the sides of the AC condenser so that air from the fan is forced to pass through the condenser and the radiator core rather than go around the sides.
If you look at the modern pusher fans that have a shroud, they have slots cut into the shroud with louvres that open at speed to increase cooling on the move. They also have rubber seals that encases the AC Condenser and seals the gap to the radiator. For example here's an e39 one:
Good luck!
I can feel much more air running through the radiator, the fan turns on fewer times and for a shorter duration. I do understand that air takes the path of least resistance and I can tell that air is spreading across the face of the rad and a/c condensor. It also rapidly escapes (with the hood open) out of the gap between the radiator and core support where the late model radiator bracket mounts. (I plan to build a cover that will act as a seal/plug of the hole and also better mount the radiator to the core support.
I did consider adding louvers to the shroud for better cooling, but it didn't seem worth the effort. Do note: I never had problems with the previous no-shroud design. So anything above the previous design is an improvement.
I can also note, if I didn't have an a/c condensor up front, I would have designed the shroud to effectively seal across the outer edge of the radiator. Space is fairly limited up front, so I worked with what I had.
:)
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Hello this still exists and apparently I haven't been on here since 2019.
Truth is that, more or less, when I stopped drinking, my motivation and desire to wrench dropped off pretty quick. Wrenching was a great tool for avoidance of feeling (drinking too for that matter) and life gets way better when you actually turn and face the things you've been avoiding. I still have the passion for these BMW's but things change as life goes on. I've been building cabinets for the past few years and my focus has been largely on that instead of cars -> How can I create for others in addition to creating for myself?
Still doing what I can to keep up on maintanance and care for the car, otherwise I've been driving it and enjoying it.
We're up to 225K miles now
Carrying on, lets start with a 5 lug swap and some throwing stars, shall we?
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Paint? Took over a year. I cirrusly love the color.
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Really wished I liked these wheels better. BBS RK's in e36 fitment would have allowed to me to run 235/40/17 but you just can't argue with throwing stars.
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Rear valance finally!!
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And we're caught up to present day. I bought a 135I/6 recently, My next goal is an s65 swapped 1M replica. I'm not certain it will happen with this specific car, but it will happen, especially after driving the 135i and many e90 M3's. It has to happen.
The 135I came from my local buddy Adrian, I had tried to buy it from him 4 years ago, but he changed his mind. I heard from a friend of a friend he was ready to sell and was the first to look. Stellar deal on a car that initially needed a lot of upkeep. Radiator cracked, oil filter housing gaskets went, mickey mouse house failed, coil packs failed, washer pump failed, Low pressure fuel level unit cracked. High pressure fuel pump is failing as we speak. New BMW plastic has a special place in my heart.
The 2002 is going to be a branded vehicle for "Built by Ben", my cabinet and design business. https://www.Builtbyben.co
It's been sitting since 1999 and will be getting a newly modified version of my original e30's stroker engine!!
The front coilovers have been blown on the e30 for the last year so I haven't driven it much. Finally got them pulled off and sent down to california to get rebuilt. These are the special H&R coilovers that they make for e30's. The shock is built into the strut housing somehow, and they are not well protected from the elements so I assume dirt found its way in past the seals. Oh well. They're like 10 years old and I'm excited to to experience what they were meant to feel like new.
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