Liquid/Air Intercooler question (long)
06-17-03, 03:00 AM
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Liquid/Air Intercooler question (long)
Ok, so I'm out fixing a water pump on my uncle's '78 930, and some ideas started popping into my head...
The 930 is rear engine, for those not familiar with the car. It has twin liquid/air intercoolers in the back with the charge air "radiator" mounted in the front end of the car. There is also an oil cooler mounted on the very bottom of the car, underneath the driver/passenger compartment.
The intercooler/oil cooler systems were set up by Bob Norwood of Norwood Autocraft in Texas. He has set all sorts of speed records and does stupid things with cars. He did all of the work to the car, but right now I'm only concerned with the intercooler setup. Liquid/Air intercoolers are a common place occurence in Norwood cars, so I would venture to say that there is some benefit to this setup.
Here's my question:
Is there a good place in the back of an FD to mount a radiator for a l/a intercooler? A place that will provide decent ground clearance and get some sort of air flow to the radiator. Have any of you guys looked into this?
I was thinking about mounting it horizontally against the bottom the car along with a couple of electric fans to suck air through it, but I want to keep the bottom of the car as flat as possible for aero reasons. I've also considered ditching the fuel tank in favor of a trunk mounted cell. That would also provide some extra room under the car to put the radiator and water resovoir.
I know, I know...why not just take the car to Norwood and have him do it? I want to take credit for the fabrication of this one. The Porsche is stupid fast, and that's not my fault. That was ALL Norwood. Anyway, I've rambled on enough. Any suggestions or comments are greatly appreciated.
The 930 is rear engine, for those not familiar with the car. It has twin liquid/air intercoolers in the back with the charge air "radiator" mounted in the front end of the car. There is also an oil cooler mounted on the very bottom of the car, underneath the driver/passenger compartment.
The intercooler/oil cooler systems were set up by Bob Norwood of Norwood Autocraft in Texas. He has set all sorts of speed records and does stupid things with cars. He did all of the work to the car, but right now I'm only concerned with the intercooler setup. Liquid/Air intercoolers are a common place occurence in Norwood cars, so I would venture to say that there is some benefit to this setup.
Here's my question:
Is there a good place in the back of an FD to mount a radiator for a l/a intercooler? A place that will provide decent ground clearance and get some sort of air flow to the radiator. Have any of you guys looked into this?
I was thinking about mounting it horizontally against the bottom the car along with a couple of electric fans to suck air through it, but I want to keep the bottom of the car as flat as possible for aero reasons. I've also considered ditching the fuel tank in favor of a trunk mounted cell. That would also provide some extra room under the car to put the radiator and water resovoir.
I know, I know...why not just take the car to Norwood and have him do it? I want to take credit for the fabrication of this one. The Porsche is stupid fast, and that's not my fault. That was ALL Norwood. Anyway, I've rambled on enough. Any suggestions or comments are greatly appreciated.
Last edited by SpeedyWankel; 06-17-03 at 03:06 AM.
06-17-03, 11:44 AM
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Why not mount the IC liquid radaitor in front of the stocker, it will be no worse than an A/C condensor for airflow and would make the plumbing much easier. Spearco has nice Liquid/Air I/C cores they sell. I was seriously considering this route, but was lacking time to do the fab work. It also gives you a nice heat sink to dump the heat temporally if you manage to overwork the intercooler radaitor
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