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lack of efficency

b.n.g. on Fri August 22, 2008 3:53 PM User is offline

Year: 88
Make: chev
Model: p/u
Engine Size: v8
Refrigerant Type: 134
Ambient Temp: 90f
Pressure Low: 35
Pressure High: 210

to anyone that can assist: recently had to replace com. [new not rblt] flushed LL & evap from o/t location to evap outlet, SL to comp inlet port, Dis line thru cond, LL, to O/T conn.added POE oil to comp. install along with new accu, OT & LL filter upstream from orfice tube press tested with 150 lbs nitrogen for 3 days no press drop. evac for 3hrs with 7cfm pump recharge. PERFOMANCE IS HORRIBLE COMPARED TO R12 & unfortunatly i have depleted my stash! according to local parts suppy house 4 seasons catalog dosent mention a redesigned condenser for conversions also found out nothing on google this is a small cabin [fs p/u] what do folks with fs sedans do? outlet dash temps laser thermo 47 f. any info, ponts toward a better direction are appreciated .heater hoses are pinched off, & i get a sweat back to comp many thanks bng

TRB on Fri August 22, 2008 5:07 PM User is offlineView users profile

This is a R134a condenser designed for the older Chevrolet p/u with a 5.7L engine. Still need to make sure you fan clutch is working correctly. Vehicle should also have a full fan shroud.



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mk378 on Sat August 23, 2008 9:10 PM User is offline

Is that the stock type? I looked at my truck (1989 GMC 1500 with 5.7 liter engine) and it seems to have one of those already. I know it's been minorly wrecked in the front a couple of times but I don't know if the condenser was ever replaced or not.

Right now it is an empty R-12 system, I assume shaft seal leak. If that condenser is going to work with R-134a I'd consider buying a compressor for it. Really don't want to put a lot of money into something that only gets used a couple of days a year.

TRB on Sat August 23, 2008 9:25 PM User is offlineView users profile

It's the replacement we have available. I think it is very similar to the stock condenser. It's basically the 6mm design you see on some modern vehicles. While not as good as a true PF unit. With its size and design should work fine with R134a.

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Contact: ACKits.com

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