Kayo, I don't have any specs' but I do have two owners in my data base who have done the conversion. One is partially satisfied and comments that the AC is not as cold as it was with R-12. The other owner is completely disgusted and said he is wished a friend of his never convinced him to make the change. Obviously we agree with you and strongly discourage any one from making the change. DMC Joe / DeLorean Services / <dmcjoe@xxxx> Web Site: <http://www.deloreanservices.com> ---------- > From: KayoOng@xxxx > To: dmcnews@xxxxxxxxxxx > Subject: [DML] Re: Air Conditioning / Clicking Noise > Date: Friday, May 28, 1999 12:10 AM > > Folks, > > My two cents on this thread. > > Continue the use of R-12 in the DeLoreans or any other older cars that is > fitted for R-12. R-134A is not all that good for the existing R-12 systems. > R-134A is a compromise. There are major work and expense (unless you don't > mind) involved to change the compressor or the seals and to flush the system > out for the use of R-134A. Too many things to do, to get it right for the use > in a R-12 system. > > Yes, the "newer" cars that uses R-134A is cold, but they were engineered from > the beginning with R-134A in mind and with all components to support the use > of R-134A. Conversion is not the answer and it will not offer the COLDEST > effect in cooling as R-12. We have done it on many old cars of other marques > (not with DeLoreans, yet). Looking back, it was a major mistake now. > > In the beginning of the panic, we were told that R-12 was no longer to be > available which started a panic with many people of who depended on R-12 -- > the auto, commercial and other users alike. That was almost ten years ago. > R-12 is still available today. Until R-12 is completely depleted or so > expensive, it is okay to continue the use for all the remaining cars. The > demand of R-12 will fade away slowly with time. The remaining cars that do > uses R-12 will not destroy the ozone and the environment as much as all the > other "ills" in the rest of the world that is contributing to this demise. > > PURE freon R-12 is still available. It is expensive, but available. You > will need a license to buy and to use it. Your car once fill will not need > to be filled every year. You many need a little topping once every two > years, if any. If you need more then one pound, you have a leak. Better get > that leak fixed, for the atmospheric air and R-12 becomes hydrochloric acid > -- it is detrimental to the components of the A/C system! It will eat the > system from inside out. This will be a MAJOR expense to change the > components and labor that is involved. For all of you who do have leak, find > it, corrected it and vaccum/evacuate the system of air, then fill to the > correct operating pressure or pounds of freon to sure up the system. This is > job is for a professional with the proper equipment and "know how" (unless > you are able to do it). If the system is correct prepared, it will sever you > many years -- trouble free. > > In an A/C system, a difference of five degrees or more of cold air output is > a major difference when it is competing against 90 plus ambient heat of hot > sun and humidity. In DeLorean it is a noticeable difference due to the > little insulation and the poor electrical output from the factory's > alternator. You can't used the blower on high mode and be in idle or creeping > in traffic for it causes a drain on the battery. This will be another > headache when you stop the car and try to start it again. The few DeLoreans > cars that I have been in, they were using R-12 with a "correct charge A/C > system", it just cuts the comfort level in the "hot" weather and temperature. > > > I don't know any DeLorean owners using R-134A. I would like to know from > those who has converted their system and can give some input with some facts > to support the difference between the two in the hot weather. This is info I > would like to know with the DeLorean's A/C system. > > Besides, I can't see how anyone can drive or ride in a DeLorean without A/C > or with an inadequate system in hot weather. > > ***As a practice you should run the A/C system once a month during the winter > months. This is to keep the system perk and fresh.*** > > Kayo Ong > #05508 > Lic 9D NY > > ------------------------------------------------------------------------ > > eGroups.com home: http://www.egroups.com/group/dmcnews > http://www.egroups.com - Simplifying group communications > > > ------------------------------------------------------------------------ eGroups.com home: http://www.egroups.com/group/dmcnews http://www.egroups.com - Simplifying group communications