proper a/c cold side reading

[James at ringsperformance.com]

This is one detail I left off my recent 134-upgrade post. At 72 dF, I got
best performance with 215 high, 31 low. NOTE: I am not using a fixed
orifice, but a heavy-duty variable-orifice valve (HD VOV) from acsource.com.
YMMV.

cu, James Marriott
'84 4kq beater, 217k, for sale (BUY IT!)
'87 4kq (alias "late-B2 90q") with rare ersatz NG engine, 184k
'89 200q (MC1, ProconTen/no bag, 1.8 blah blah), 142k
Boise, ID, USA     http://www.webpak.net/~marriott/
www.ringsperformance.com
----- Original Message -----
From: "scott thomas" <scott at dreamtheater.zzn.com>
To: <quattro at audifans.com>
Sent: Saturday, June 29, 2002 8:06 AM
Subject: proper a/c cold side reading


> I was curious to know what some listers are
> running as far as the pressure on their
> 5000/100/200 a/c units. I mean the reading from
> the cold (low pressure) side. I've recharged
> with 44 oz's of 134 and see pressures of about
> 25-30 psi. Wanted to get it to 40-45, which is
> supposed to be the high normal. My outlet temps
> do fluctuate. I go from the upper 60's in a
> standstill in 95 degree, high humidity. Once
> moving, I get down to 45-49, generally the
> higher number.  I was thinking about another 6-8
> oz's should do the trick, but wanted advice,
> first.