1994.5 - 1997 7.3L Power Stroke DieselSPONSORED BY:
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Hey Mike, I don't want it too bad, I seem to have enough of my own!
AC work I leave to someone who knows what the %^&* he is doing. Good luck with that, I'm not that person..
Darin 99 ranger 76F250 66 fairlane
"TheBeast"1997F2504x4dually4.10's,160k,140VIDM,HPX ,4-5"dp, S366 turbo, 6637, elec. fuel,rosewood stage ones,php,arp studs, comp springs, smith brothers push rods, T500 HPOP,melling lpop,180 tstat,6.0 fan and IC,trucool,coolant filter,scan gauge,lots of other gauges,racer x valve body and billet converter, upgraded trans, F550 leaf springs,SD dual tensioner upgrade, cold ac mod
Your High side is going to vary quite a bit depending on how hot the air going through the condenser is. it wont go beyond what the high pressure switch is set for. The system will have stopped cooling by that time though. At 60deg F it will have a vapor pressure @ 57.5 PSIG. At 95 it will be 114 psig that doesnt include heat from compression dirty condensers and such. This chart will help you work on your A\C system successfully.
it also occurs to me that the auto store cans of 134 have a nice gauge to at least get you close so i wouldnt worry about over charging it. stick a thermometer in the vent while its charging so you can see that point when its at its coldest.
1997 Ford F-250HD CC SB Auto 4X4 3.55s 7.3 PSD Rif-Raf 6637, Stancor GPR, MBRP 3" DP to Stainless 4" straight exhaust. 95,000 original miles and counting. Michigan Chapter
Dang mike I feel your pain. Since I've owned my truck the AC would make you put a sweater on. This year nothin. I haven't even begun to trouble shoot it yet, just like Ohio, 80 one week, 50 the next...
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