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#16
06-25-2007, 01:01 PM
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From what I have been able to find, the Hydrocarbon R-12 replacements are the only ones that potentially could be BETTER thermodynamically than R-12 and also transport oil properly.
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Ron Schroeder '85 300 Turbo Diesel 2 tank WVO '83 300 Turbo Diesel 2 tank WVO Some former WVO vehicles since ~1980: '83 Mercedes 240D '80 Audi 4000D '83 ISUZU Pup '70 SAAB 99 with Kubota diesel '76 Honda Civic with Kubota diesel '86 Golf Several diesel generators All with 2 tank WVO conversion LI NY 
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#17
06-25-2007, 02:07 PM
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I have had good success with Duracool and hc-12a. I'm in the middle of the project you are undertaking on a 83 300 sd and plan to charge the system with hc-12a. My 84 300sd and 87 300sdl cool well with the hydrocarbon refrigerants.
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#18
06-25-2007, 02:38 PM
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Quote:
I used hydrocarbon refrigerant in an old Grand Prix for several years with no noticeable, adverse effects. It cooled good and never broke or got noisy. As to the safety concerns, most of the cars on the road have gasoline under pressure under the hood, how is that any safer? It's not.
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#19
06-25-2007, 02:45 PM
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Sheeeesh Maybe I should go back to R12. The PO did the ?conversion" (which I think was no more than putting on the R134 couplers and pumping her full of stuff).
Quote:
__________________
NC Benz Fuquay-Varina, NC 1979 300D 1983 300D Turbo 260,000 Miles 1984 300D Turbo 345,000 Miles (sons car) OBK #31 1998 Ford Expedition 5.4l (fer Haulin'!) 145,000 1973 19' SeaRay with 115 Mercury TOWER OF POWER! Club Car Golf Cart 36V Ex toys: 1967 Mustang 289 (First Car) Fiat 124TC 1975 Honda CVCC 1980 Audi 5000 Turbo
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#20
06-25-2007, 04:56 PM
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Echo?
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#21
06-25-2007, 05:24 PM
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Quote:
Now back to our regular programming.......
__________________
NC Benz Fuquay-Varina, NC 1979 300D 1983 300D Turbo 260,000 Miles 1984 300D Turbo 345,000 Miles (sons car) OBK #31 1998 Ford Expedition 5.4l (fer Haulin'!) 145,000 1973 19' SeaRay with 115 Mercury TOWER OF POWER! Club Car Golf Cart 36V Ex toys: 1967 Mustang 289 (First Car) Fiat 124TC 1975 Honda CVCC 1980 Audi 5000 Turbo
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