Ken et. al.,
I am doing the same thing. I believe on my 87 and 91 they both have 2.9
lbs and you take this figure times .8 (80%) of the R-12 and load that
in. I'm not sure of the capacity of your 84, I found an posting in the
archives, but it only covers 85-91 and that his the 2.9 lbs figure. Find
out how much R-12 is prescribed and multiply time .8 .

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Shalom                                                    87 GL
Mark Magee                                            91 Westy
Kemah TX USA                                      96 Suzuki 4WD Sport
John 14:6