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  #1  
Old 09-08-2012, 01:25 AM
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Location: SAN ANTONIO, TEXAS
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A/C condenser information overload...

So I have been wanting to fix the air conditioning in the 300sd for a while and I am finally getting on track to doing it. I have read thread after thread on parallel flow condensers and all kind of info. I am going to keep my system r12 and I want it to work well. I have the old style condenser on my car now and I would like to upgrade to a better one. Now I know that the later w126 came with a better condenser and I was looking at different years of w126 and the condensers available besides parallel flow. I found to types. A tube and fin and a serpentine kind. It seems both are available for a 1989 420sel. Now would these both be a direct fit to my 84? I looked at pictures and they both look different than mine. Which one is better if they will both fit? I am having a hard time making a purchase because I dont want to waste my money. I did look on this site for a condenser but none are listed and an email to the parts request went un answered. Any information is appreciated. Thanks
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1984 300SD Orient Red/ Palomino
1989 560SEC
2016 Mazda 6 6 speed manual
1995 Ford F-150 reg cab 4.9 5speed manual
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  #2  
Old 09-08-2012, 11:25 AM
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Join Date: Jun 2004
Location: West of Ft. Worth. TX
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The best set-up I've seen is a "piggy-back" of a parallel flow condenser with the original. Do a search for "parallel flow" and "Whiskey Dan". With this configuration, you don't have to deal with fitment problems and is a fairly inexpensive resolution to weakness of the original condenser when using R134 refrigerant. Since you are keeping the system R12, you could end up with a system that operates even more efficiently.
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84 300SD 350K+ miles ( Blue Belle )
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  #3  
Old 09-08-2012, 02:30 PM
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I saw that thread but Im ditching my 30 year old condenser and I dont want two up there. I bought a spal fan to supplement the original one and its pretty thick
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1984 300SD Orient Red/ Palomino
1989 560SEC
2016 Mazda 6 6 speed manual
1995 Ford F-150 reg cab 4.9 5speed manual
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  #4  
Old 09-08-2012, 02:59 PM
Home appliance genius
 
Join Date: Jul 2009
Location: cleveland
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A higher powered (cfm) will make enough difference. I recently fixed my 89 300e and used basically all stock parts. A proper running r12 system is surprisingly better than one would think. We had a few high 90* days in Cleveland, with humidity to boot, and I felt that my ac was way more than just "barely adequate". I found myself setting the fan to a lower speed usually.

Window tint would be a great upgrade as well
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  #5  
Old 09-09-2012, 11:40 AM
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
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Have you tried hosing off your condenser? Made an appreciable difference on my 134 converted 124. The cars are really old, all kinds of crap over the past 20-30 years get caught in the fins of the heat exchanger.
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