Electric fan worth it?
If you look at a serpentine from a 1990 Camaro, the smog pump will be on the driver's side. I don't have a smog pump, but if I did, it would go under the alternator.
About the fuel line, I ended up, running it through the brackets. Note how the heater hose is handled, with solid lines. You can run it behind the brackets, but this just looked better. We used the small metal in-line Holley Fuel Filter, as well.
For the power steering pump, you're going to use the return line off've the Caprice and just use a piece of pipe to bend it out of the way.
Custom bent fuel line.
About the fuel line, I ended up, running it through the brackets. Note how the heater hose is handled, with solid lines. You can run it behind the brackets, but this just looked better. We used the small metal in-line Holley Fuel Filter, as well.
For the power steering pump, you're going to use the return line off've the Caprice and just use a piece of pipe to bend it out of the way.
Custom bent fuel line.
The Best of Corvette for Corvette Enthusiasts
Saw the fans you posted being sold by Jegs. $400.00 +

Second 11' dual spal-likes I actually got for $79 at Newegg. Don't know why they even had them. Haven't seen them there since.
it's average for aftermarket but covers all the core and moves 4000 cfm of air.
a couple years ago I got caught up and paid extra for a name brand radiator, that extra is not worth it to me I have seen way too much great feedback from the import radiators.
I am hung up on wasting any of the radiator core as in not having shroud over it.

I looked long and hard at the fake spals, I still might buy a set to do some testing with, the things that I didn't like was the amount of radiator they leave wasted and the lower cfm they move, not all the fake spals are made at all well and I like adding aftermarket parts I do not like wasting time fixing low end crap or wondering when it will fail.

Something else that can be hard on the drive of a electric fan is the spike at start up, both the spike in amps and the slam to the fan blade from the motor shaft,
In my case I didn't want to run one fan for low and two for high the reason is air will take the path of least resistance and if one fan is off the on fan with try to pull air through the off fans hole rather than pull it through the radiator.
I used 3 relays to run the fans in series for low speed both on then parallel for high speed both on, this removes any air being pulled from the off fans hole it also smoothes out the spikes both in amps and jolts to drive of the fan.
Additionally when the A/C is running the fans are running. At some unknown forward speed I speculate that the ram air speed through the radiator may exceed the ability of the fans to pull air through.
At that point the fans become a potential obstruction to air flow. Although there are flaps to let air through around the fans. If this occurs then airflow in the area covered by the fans could restrict airflow. Then it becomes beneficial to have some area of the radiator not covered by the fans to allow unrestricted flow through those areas.
I have mine either on or off, nothing in between. My only consideration was to reduce run time of the fans to a minimum with A/C off and max cooling at any other time.
I look at it this way,
saying the fans cover "enough" when some core isn't covered is how people who sell fans with small or no shrouds that do not cover the full core try to convince buyers that wasted cooling ability of the radiator at idle is okay.
I am not concerned with the ram air vehicle moving cooling,
My concern is here in Florida in the 100 plus degree stuck in traffic cooling and that is where I want as much of my expensive radiator core covered, lots of guys are happy with some core open and wasted I support and respect them on that I hope they respect that I want to take full advantage of my core.
Additionally when the A/C is running the fans are running. At some unknown forward speed I speculate that the ram air speed through the radiator may exceed the ability of the fans to pull air through.
At that point the fans become a potential obstruction to air flow. Although there are flaps to let air through around the fans. If this occurs then airflow in the area covered by the fans could restrict airflow. Then it becomes beneficial to have some area of the radiator not covered by the fans to allow unrestricted flow through those areas.
two different subjects there,
I do not support the fans being ran at speeds where ram air should be working,
To me that is old school thinking to run the fans at speed just because the ac is on, if the ac needs more cooling it will get it by raising coolant temps and kicking the fans on.
Of course the fan blades themselves are the biggest restriction of ram air flow in my case at speeds when the fans stop my shroud has nice trap doors to allow extra air flow ( if needed but not at the cost of wasting core at idle ) , in my case with my fans and shroud ram air flow will not suffer,
I agree. I believe that the drive mechanism should be designed to handle this since it is the most likely scenario for it's operation.
The sad fact is too many clones fail quickly or partly fail where cooling suffers.
I agree. That's a likely scenario if only one fan is run at a time.
It will happen but might not be bad enough to matter but to me taking the chance was wasting radiator.
Sounds like a good way to do it especially for noise considerations.
I have mine either on or off, nothing in between. My only consideration was to reduce run time of the fans to a minimum with A/C off and max cooling at any other time.
Straight blades make more noise than curved,
After my car gets up to operating temps at low speeds or idle it will need "some" fan/fans running and most others running electric fans are in that boat,
I will have to think about it and do some testing but I do not believe that my fans will be on low more than a person running their fans one at a time,
i tried a 16" e-fan and bubba'd it on the rad and left the stock shroud,
it ran warmer than stock, i could not get the shroud off
so i put the stock fan back in....
i did feel a few ponies extra tho
the po killed the front dam and i took it off, so my RAM air a compromised
the stock set up did not care, about no RAM
but the 16" stock 1982 "aux fan only" experiment i did made it boil over even driving at 50 mph it was not enough
Last edited by slickfx3; Sep 23, 2015 at 12:58 PM.
it ran warmer than stock, i could not get the shroud off
so i put the stock fan back in....
i did feel a few ponies extra tho
the po killed the front dam and i took it off, so my RAM air a compromised
the stock set up did not care, about no RAM
but the 16" stock 1982 "aux fan only" experiment i did made it boil over even driving at 50 mph it was not enough

If your situation dictates some different amount then what is necessary still applies, it's just different than what is necessary for me. Depends on your scenario.
Any assistance I can give it to make it more efficient and thereby provide me with better A/C, I will do. I don't know at what speed the A/C condenser is receiving sufficient ram air to keep it relatively cool.
So I run the fans. No harm in doing so.
Some harm is not doing so, as there is a considerable delay in the radiator temps responding and turning on the fans in response to the additional heat of the A/C heat exchanger.
Heat exchanger temps rise higher and A/C efficiency is reduced.
Not saying it's how it should or needs to be done, just saying I didn't do it that way on a whim.
Last edited by REELAV8R; Sep 23, 2015 at 05:26 PM.
If your situation dictates some different amount then what is necessary still applies, it's just different than what is necessary for me. Depends on your scenario.
not misquoting you in any purpose way but you are playing with words, saying not covering all of of the core because it's not nesessary is still wasting core and in my case I will not waste all the extra $$$ I paid for that radiator and it's core, if you feel you are getting your moneys worth leaving some core wasted and calling that wasted part "unnecessary" then go with it...
The deal here is that the A/C condenser is transferring considerable heat to the air going to the radiator in it's job to heat exchange for cabin cooling. It gets seriously hot. With heat comes pressure. Pressures rise considerably in the A/C system. Maybe even high enough to trip the high pressure protection and disengage the compressor clutch.
Any assistance I can give it to make it more efficient and thereby provide me with better A/C, I will do. I don't know at what speed the A/C condenser is receiving sufficient ram air to keep it relatively cool.
So I run the fans. No harm in doing so.
Some harm is not doing so, as there is a considerable delay in the radiator temps responding and turning on the fans in response to the additional heat of the A/C heat exchanger.
Heat exchanger temps rise higher and A/C efficiency is reduced.
Not saying it's how it should or needs to be done, just saying I didn't do it that way on a whim.
I am trying to move things along faster in getting the car going so the 69 clip will be the default clip and the mako will be getting it's kinks worked out so at some point I can do the swap out clips idea.
On a side note I have had a lot of c3's and that c4

I was always lucky with cooling, my 66 ran a fiero electric fan and the only time it ran hot was with a worn out radiator.















But that's just me. Different strokes for different folks.