Hi, guys. Let me start by saying I've seen the other threads and can't find answers to my more specific questions involving this swap. I have a 1992 RHD FD that I just bought and I need to restore the A/C as I live in a very warm climate. I have been given many components to a Denso system from a 2001 Bathurst I believe, also RHD. These parts include condenser, receiver, mounting brackets, and all the lines. I am VERY inexperienced when it comes to A/C work but if my research serves me right I will just need a compressor and accessory belt, given this swap is possible, correct? My main question is, will a Denso compressor fit properly? I've found the part number for the Mana compressor to be FD0161450 and the Denso to be FD0561450A, from my research. If that's correct then these compressors have some clear physical differences and I want to make sure that a Denso compressor would work before I just buy it. I'm also aware that the 2 fittings going to the actual HVAC component are going to be different from those of the Denso lines I have. As long as I can find somebody to weld on the appropriate fittings to the lines in place of the old ones, that would solve that problem as well correct? Lastly, from everything I've read on these forums, R12 refrigerant is superior to R134 and can be bought on ebay. Given that everything I've already asked about should work, I would be able to use R12 in this system correct?

Thanks in advance to anyone willing to answer and help me out. I really need it

It wont allow me to add pics of the different compressors for some reason but here are the links:
-Mana: https://autocompressorworld.com/prod...tch-31210-410/
-Denso: https://autocompressorworld.com/prod...utch-31582601/

 

First off, welcome!

The compressors are all the same, MANA and Denso. That MANA compressor you have in the link isn't for an FD, I don't know what the heck that's for.

All Japanese cars had the Denso system. The MANA system was on some US cars (MANA=MAzda North America) and it was installed when the cars arrived in the US, I believe as a way around taxes or something.

Also, RHD cars have totally different lines than LHD cars. Good thing that you got a set of lines and everything. The evaporator under the dash is different but I'm not totally sure about the condenser up front.

All that said, find a compressor and you should be in business. I would get all new O-rings for all the lines where they join. The drier (the metal can up front) is easily available at most auto parts stores, that needs to be replaced when doing an AC job.

The car was designed for R12 and cools best with R12, however it can be expensive and hard to find. Typically you have to have a motor vehicle AC license to buy it, I have one and have had to send a copy to Ebay sellers to buy it. Good thing is you can get that license online for a small amount of time.

You can also look at using R-152a, which is computer dust-off. Works really well.

Any auto AC place will only do R134a, I don't think it's legal for them to do stuff with the other refrigerants and many times they don't have the old equipment any more to do the job. In '95 all cars were R134a so there's not many on the road, AC shops never see cars that old any more.

There's a LOT of info on AC on the forum, do some reading. There's an amazing thread on AC in the 2nd gen forum with using R-152a, it's long but it's worth a read -

https://www.rx7club.com/2nd-generati...gerant-964688/

Dale

 

The 2001 system is going to be ENTIRELY different from your 1992. You will need to swap literally, everything, unless you modify lines. The difference is similar to the MANA vs DENSO in the US cars, the fittings are different sizes on the newer R134 cars.

Sometime in Japan they moved to R134, if I recall it was 95-96. Nothing from that 2001 system will match up to yours. HOWEVER, if you get *everything* from a 96+ you can swap it all in. I spent a few hundred bucks on yahoo japan for a used set of lines, evaporator, and drier from a 96 JDM car. $400 or so for a brand new OEM condenser from a 96+, and about $80 for a used 96+ compressor from an importer. All swapped into my 1992.

If you don't want to spend the time/money on doing the complete swap, you could buy a US compressor and take it all to an a/c shop and see if they can get the fittings to match it all up.

 

Hmmmm alright lot's of useful info here. I'm hoping to not have to spend quite that much money on parts for the AC. I may take everything I have into a shop and see what they say about how much of what I have is usable for my car. I mean from looking at the JDM parts catalog, the parts I have look the same as what I see there

 

Also I read through that thread. Informative where I could understand it. There is WAY too much that I do not understand when it comes to charging the system. I will probably find a shop that is willing to do this part for me and just pay them

 

^Yep. Do the mechanical side (install lines and compressor, etc.) and let them do the rest. That's a smart move.

Dale

 

The parts are identical except for the fittings on the end of the lines, evaporator, condenser, compressor, and drier. That's what I was saying, if you have the majority of the newer system it may be economical to take it to a shop and see if they can source the fittings to fit the compressor or whatever the case is. If you have a hodge podge you'll be changing fittings on everything.

 

Sounds good. Will do