RX-8 AC condenser on FD VMIC
09-21-19, 12:24 AM
#26
You can ditch the stock dryer, the RX-8 condenser has it built in. The downside is that you'll need to have lines made (or make them yourself), at least the ones that go to and from the condenser. Is your setup VMIC or SMIC or what? You could always get a universal condenser if you want to keep the stock dryer, but you'd probably still need to make some lines and figure out how to mount it. As far as I'm concerned, this is the cleanest way to install it, and really the simplest system since it has the dryer built in. But it might not be for everyone.
Car is completely stock as far as intercooler placement and everything else goes. I was hoping to avoid replacing the stock dryer due to having to fab up even more lines. Would it be a bad idea to run both dryers in the system? I'm essentially trying to figure out how to mount the RX-8 condenser in the stock location and get the lines to connect, Wonder how much a shop would charge to fabricate those.
09-21-19, 07:01 PM
#27
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I don't think there would be any harm in using two dryers, but I could be wrong. I'd try to just swap to a good, stock condenser if I were you. I have three good ones, one of one type and two of another, but I don't know yet which are MANA and which are Denso. At least with that you wouldn't have to worry about making new lines and figuring out how to mount it.
09-21-19, 08:55 PM
#28
I don't think there would be any harm in using two dryers, but I could be wrong. I'd try to just swap to a good, stock condenser if I were you. I have three good ones, one of one type and two of another, but I don't know yet which are MANA and which are Denso. At least with that you wouldn't have to worry about making new lines and figuring out how to mount it.
09-22-19, 08:15 AM
#29
RX-7 Bad Ass
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I don't know in particular if it would cause a detrimental effect but it just seems like something to avoid.
Dale
09-24-19, 12:40 AM
#30
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I would stay away from running 2 driers. That adds a substantial volume to the system that needs to be filled with refrigerant. Also, just seems unnecessary.
I don't know in particular if it would cause a detrimental effect but it just seems like something to avoid.
Dale
I don't know in particular if it would cause a detrimental effect but it just seems like something to avoid.
Dale
05-04-20, 10:31 PM
#31
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I’m looking to do this condensor mod with a cx racing vmount radiator. What’s the general consensus of running lines. I read the rx8 lines may work and even Miata lines on FB groups. Also what issues will I have if I mount the condensor with the drier on the passenger side with the ends up. Kinda new to this and really want AC before June.
05-05-20, 12:08 PM
#32
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You're in a LHD FD? If so, is there a specific reason you want to mount it the opposite way? Because this condenser works out kinda perfectly for LHD models, being that the inlet is on the compressor side of the engine and the outlet is on the passenger/evaporator side. Even if you're in a RHD model it still wouldn't be that bad.
I couldn't get the RX-8 line from the compressor to work for me, but others might. Even if you got the end that connects with the condenser to route correctly, you'd still need to change the end to the compressor because they're different. If you're talking about the high side line (smaller diameter), then I'm not sure. If you use the entire high side line from the RX-8 I believe you need to do some rewiring because the pressure switch is trinary instead of binary like the original one, and I guess you'd have to make sure the ECU has the capability to use the trinary switch also. Unless you can find a pressure switch with the same thread pitch and just rewire a connector for it.
Regarding mounting the condenser upside down, I don't know if it would just be inefficient or not work at all. Dale probably knows more about that.
I couldn't get the RX-8 line from the compressor to work for me, but others might. Even if you got the end that connects with the condenser to route correctly, you'd still need to change the end to the compressor because they're different. If you're talking about the high side line (smaller diameter), then I'm not sure. If you use the entire high side line from the RX-8 I believe you need to do some rewiring because the pressure switch is trinary instead of binary like the original one, and I guess you'd have to make sure the ECU has the capability to use the trinary switch also. Unless you can find a pressure switch with the same thread pitch and just rewire a connector for it.
Regarding mounting the condenser upside down, I don't know if it would just be inefficient or not work at all. Dale probably knows more about that.
05-05-20, 02:18 PM
#33
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You're in a LHD FD? If so, is there a specific reason you want to mount it the opposite way? Because this condenser works out kinda perfectly for LHD models, being that the inlet is on the compressor side of the engine and the outlet is on the passenger/evaporator side. Even if you're in a RHD model it still wouldn't be that bad.
I couldn't get the RX-8 line from the compressor to work for me, but others might. Even if you got the end that connects with the condenser to route correctly, you'd still need to change the end to the compressor because they're different. If you're talking about the high side line (smaller diameter), then I'm not sure. If you use the entire high side line from the RX-8 I believe you need to do some rewiring because the pressure switch is trinary instead of binary like the original one, and I guess you'd have to make sure the ECU has the capability to use the trinary switch also. Unless you can find a pressure switch with the same thread pitch and just rewire a connector for it.
Regarding mounting the condenser upside down, I don't know if it would just be inefficient or not work at all. Dale probably knows more about that.
I couldn't get the RX-8 line from the compressor to work for me, but others might. Even if you got the end that connects with the condenser to route correctly, you'd still need to change the end to the compressor because they're different. If you're talking about the high side line (smaller diameter), then I'm not sure. If you use the entire high side line from the RX-8 I believe you need to do some rewiring because the pressure switch is trinary instead of binary like the original one, and I guess you'd have to make sure the ECU has the capability to use the trinary switch also. Unless you can find a pressure switch with the same thread pitch and just rewire a connector for it.
Regarding mounting the condenser upside down, I don't know if it would just be inefficient or not work at all. Dale probably knows more about that.
05-05-20, 02:28 PM
#34
RX-7 Bad Ass
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Stephen's build thread has some good pictures and info on how he did the conversion -
https://www.rx7club.com/build-thread...1140779/page3/
Basically get the 2 RX-8 lines that attach to the condenser and the 2 closest lines for the FD and have them cut and welded together.
Dale
05-07-20, 08:16 AM
#37
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Any pictures or a how-to on this? I've not heard of Eaton hose.
Dale
Dale
06-05-20, 10:04 AM
#39
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Did any of guys have to move your power steering cooler/lines. I have mine in the shop for the vmount And my mech is saying it has to be moved. Using the cxracing rad/denso rx8 condensor.
06-05-20, 10:45 AM
#40
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You will probably need to relocate them, most IC kits require it to be moved or altered.
I got one of these -
Had it for a LONG time, works great.
Dale
I got one of these -
Had it for a LONG time, works great.
Dale
06-05-20, 11:45 AM
#41
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You will probably need to relocate them, most IC kits require it to be moved or altered.
I got one of these -
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Had it for a LONG time, works great.
Dale
I got one of these -
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Had it for a LONG time, works great.
Dale
06-05-20, 01:03 PM
#42
RX-7 Bad Ass
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I talk about it in my mini-build I did a while back -
https://www.rx7club.com/build-thread.../#post11385817
There's not a lot fancy, you can put it most anywhere since it isn't that big.
Dale
https://www.rx7club.com/build-thread.../#post11385817
There's not a lot fancy, you can put it most anywhere since it isn't that big.
Dale
06-05-20, 09:53 PM
#43
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Yep, I bought a similar cooler but mine didn't have the sides to protect the fins so I had some welded on. I might have to swap to that one at some point lol. I mounted mine at the leading edge of the subframe. I doubt it gets a whole lot of air, but it doesn't really matter since the PS system doesn't get used much on our cars.
06-25-20, 01:02 PM
#45
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What refrigerant are you using?
A proper AC setup should be 30-40 deg. air out of the vents. 60 isn't cutting it.
Dale
A proper AC setup should be 30-40 deg. air out of the vents. 60 isn't cutting it.
Dale
06-25-20, 01:29 PM
#46
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06-25-20, 02:05 PM
#47
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I don't believe spacing it out would do anything in particular.
Hard to tell in that picture, is the condenser mounted upside-down? There is a specific "up" to it. If it's upside-down it won't work right.
Dale
Hard to tell in that picture, is the condenser mounted upside-down? There is a specific "up" to it. If it's upside-down it won't work right.
Dale
06-26-20, 07:01 PM
#48
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If the edge that's facing us is the top end, then it's mounted correctly. If not, it's upside down.
I'm using R152a and I was getting 25-40F temps out of the vents last year, but this year I've had nothing but problems. I'm now getting about 60-70 degree temps and my friend who does auto HVAC says he thinks my brand new compressor is shot, and I checked and it's spinning very freely. Might want to check into that too.
I'm using R152a and I was getting 25-40F temps out of the vents last year, but this year I've had nothing but problems. I'm now getting about 60-70 degree temps and my friend who does auto HVAC says he thinks my brand new compressor is shot, and I checked and it's spinning very freely. Might want to check into that too.
06-26-20, 07:15 PM
#49
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If the edge that's facing us is the top end, then it's mounted correctly. If not, it's upside down.
I'm using R152a and I was getting 25-40F temps out of the vents last year, but this year I've had nothing but problems. I'm now getting about 60-70 degree temps and my friend who does auto HVAC says he thinks my brand new compressor is shot, and I checked and it's spinning very freely. Might want to check into that too.
I'm using R152a and I was getting 25-40F temps out of the vents last year, but this year I've had nothing but problems. I'm now getting about 60-70 degree temps and my friend who does auto HVAC says he thinks my brand new compressor is shot, and I checked and it's spinning very freely. Might want to check into that too.
