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L31MaxExpress's latest activity
L31MaxExpress
replied to the thread
Cooling issue
.
Not necessarily. Straight vane can be more efficient especially given the Flowkooler impellor design is closed. Flowkooler made a...
Jul 17, 2024
L31MaxExpress
replied to the thread
Header question ( long tubes)
.
Another thing, the transmission absolutely can make a difference IF you are using adjustable mounts and locating the engine in relation...
Jul 17, 2024
L31MaxExpress
replied to the thread
Header question ( long tubes)
.
I think you must be using different engine mounts. The basic swap non adjustable "stock location" mounts are made two different ways. I...
Jul 17, 2024
L31MaxExpress
replied to the thread
AC overhaul - Compressor upgrade? Condensor?
.
The 87 G20 had the same problem. Parked under trees for years. Not the same type of trees but the same result. Explained why I was not...
Jul 17, 2024
L31MaxExpress
replied to the thread
AC overhaul - Compressor upgrade? Condensor?
.
Well if it is bypassed the cutout pressure should be irrelevant. It is possible however with the switch bypassed you are freezing the...
Jul 17, 2024
L31MaxExpress
replied to the thread
AC overhaul - Compressor upgrade? Condensor?
.
Lowering the cutout only results in cooler air if the system is capable of reaching the current cutout resulting in earlier than...
Jul 17, 2024
L31MaxExpress
reacted to
PlayingWithTBI's post
in the thread
AC overhaul - Compressor upgrade? Condensor?
with
Like
.
Yeah, I seem to remember seeing a screw head in between the connector lugs. I may need to play with it and see if I can get lower...
Jul 17, 2024
L31MaxExpress
reacted to
yevgenievich's post
in the thread
AC overhaul - Compressor upgrade? Condensor?
with
Like
.
I need to change my switch out to adjustable for sure, lately I have it bypassed as it was acting up. Will run more tests at a later...
Jul 17, 2024
L31MaxExpress
replied to the thread
Cooling issue
.
The straight blade impeller design works incredibly well. When I flushed the heater system on my 97 with the 383 swap I put a garden...
Jul 17, 2024
L31MaxExpress
replied to the thread
Cooling issue
.
Some pumps can turn either direction but many cannot. The Flowkooler 1974 and the cheaper GMB high volume clone I recently bought sold...
Jul 17, 2024
L31MaxExpress
replied to the thread
A/C Temperature
.
If you do not have the 11 bladed fan already in your posession check out this thread. Properly fitting shroud will make a big difference...
Jul 17, 2024
L31MaxExpress
replied to the thread
A/C Temperature
.
I do not have a thread on it, but it is as straight forward as it can be to swap out. The part numbers mentioned are Four Seasons which...
Jul 17, 2024
L31MaxExpress
replied to the thread
AC overhaul - Compressor upgrade? Condensor?
.
This is the style switch I have seen on every GMT400 I have worked on. However I do not remember ever having worked on a 1988 with AC...
Jul 17, 2024
L31MaxExpress
replied to the thread
AC overhaul - Compressor upgrade? Condensor?
.
Looks like 88 used the older style switch and 89+ the newer style if RockAutos catalog can be trusted. So you may very well be able to...
Jul 17, 2024
L31MaxExpress
replied to the thread
A/C Temperature
.
Could be refrigerant level. I would look at the cycling switch as I have found the to be a big problem area in these trucks and the...
Jul 17, 2024
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