From my searches here, swapping in a parallel flow condenser seems to be wise when changing to R134a air conditioning.

I'm having trouble finding a source, however. My application is a 1981 123 (300D) chassis no. 224431.

Anyone know a parallel flow condenser source?

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Erlend
1981 300D 202K daily driver

Its been done at least once before. I forget who did it but this is the picture I have.

Attached Thumbnails

 

No I don't but living here in Phoenix, Arizona we need AC! I converted mine to ES12 (Envirosafe) after replacing all my O rings and seals and it cools as good as R12 or better without the hassle of R134A! And no parrallel condensor was necessary. This is a completely legal conversion as long as you do it right and Evirosafe has no Biologically harmful side effects either!

Your going to get much better performance form your engine as well as an improvement in fuel economy too since ES 12 operates at lower pressures and it takes less of it! Your compressor will also love it, it's not having to work as hard to do the same job and ES 12 requires a lot LESS horsepower or Killowatts to cool!

http://www.es-refrigerants.com

Do a search on parallel condensors. Make note that you will need the fittings custom made so that it is a simpler bolt in replacement. I also understand the the parallel flows are difficult to flush in the event of a catastrophic compressor failure.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D

There are two places where you can get a parallel flow condenser for that car. Ackits.com and acsource.com.

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Bob Jenkins

I've heard it's almost impossible due to the much smaller tubes. Compressor bits get stuck in those and it's game over.

Still happy with my R12, not planning to convert any time soon. The current charge has held reasonably well for three years now.

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Dale

http://i52.photobucket.com/albums/g1...MG_2277sig.jpg

1990 300D 2.5 Turbo -155k
2000 E430 - 103k
2014 Jeep Grand Cherokee Ecodiesel 4x4 - 11k
2014 VW Passat TDI SE - 7k Bro's Diesel
2006 E320 CDI - 128k Pop's Benz

Pre-glow - A moment of silence in honor of Rudolph Diesel

I did a search on "parallel flow condenser" and came up with ackits.com and acsource.com

There was also someone who bought one on ebay that would need to be adapted to fit the MB hoses.

Good luck! Let us know how it turned out.

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Semibodacious Transmogrifications a Specialty

1990 300D 2.5 Turbo sedan 171K (Rudolf)
1985 300D Turbo TD Wagon 219K (Remuda)

"Time flies like and arrow, yet fruit flies like a banana"
---Marx (Groucho)

If you look at the MSDS, LP or Propane.

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Gone to the dark side

- Jeff

Don`t even think about using LP or Propane, fire ,explosion if you have a leak. It does cool well, but is illegal to use it.
Some where is my pile of stuff here on the desk, I ran across a picture of a vehicle that had a leak and fire, think it was a 240Z or one of those.
At work we had a pictire of a Toyota 4 runner that the guy placed his accetelyne torches and there was an explosion, opened the car like a can opener.

There is a guy on E-Bay, user name SYMBOLGUY. he has CD`s on the 123 & 126. I bought one for mounting the Paraelle flow condensor. They are more efficient than the stock one. I think a filter of some type can be inline incase the compressor fails.

Charlie ☺

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

I'm hearing more and more folks who are happy with Envirosafe. I need to get the R134A outta China. How vigorous would I have to flush the system? {compatibility of oils from R134A to Envirosafe}
I've heard of a person or two getting a parallel flow condenser from ackits.com. An inline filter would be a must.....

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

Here is some good reading:

www.peachparts.com/shopforum/showthread.php?t=99598

Charlie ☺

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

I've installed an ackits condenser. Works great. Had to get two custom hoses and I am using Freeze 12.

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1983 123.133 California
- GreaseCar Veg System

Why do you feel the need to have what you do at the bottom of your sig? Not necessary and rather spammish!


***edit***
Upon reflection I over-reacted and owe DeliveryValve an apology. Not sure why that one made me bow up. DeliveryValve is a solid forum citizen and I apologize......

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

OK. OK. OK. I thought it would freak people out to see where they are from.

Got you rallied up Jimmy!

I'll take it down soon.

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1983 123.133 California
- GreaseCar Veg System

I'm very happy with Envirosafe and it is Legal as long as you replace all your seals and put on the R134A fittings, Envirosafe charges the same way. There is a lot of panic about Envirosafe being explosive, but almost all of it is pure bull. Sure it will explode if you do stupid stuff with it and R134A is twice as likely to not only explode, but more violently and poisonous gas causing permanent brain damage and death results. Even R 12 would turn into phosgene gas, a deadly and toxic gas that kills without warning. Envirosafe does none of those things and if you use standard safety precautions, you will be fine!

Envirosafe is compatible with oil from R134A or R12. Since you have to take your system apart anyway to retrofit, just use compressed air to blow the excess oils out of your system. R12 oil is still easy to get and in my opinion, it makes for a better lubricant. Envirosafe charges with the can upside down and goes in your system in a liquid form. Diesel engines do not have fuel anywhere near as flammable like gasoline or electrics for ignition. A good quality guage set is necessary since sight glass readings are meaningless here. Since it requires about 1/2 the energy to make it cool, a parallel condensor isn't necessary. Your fuel economy will be much better and your system will see a longer service life!