HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

Comments: 0

Latest topics
» Poly based strut mounts on exchange
Fri Aug 18, 2017 10:16 pm by xschop

» 18x10" Enkei wheels
Wed Aug 16, 2017 9:59 pm by Sterling Doc

» Around the block
Tue Aug 15, 2017 11:46 am by Red944ls1

» RX7 Caliper Swap
Mon Aug 14, 2017 8:13 am by osx86ftw

» Cooling solutions please!
Sun Aug 13, 2017 3:15 pm by yamamtx

» Holley intake, vacuum pump and cross member spacer
Sun Aug 13, 2017 12:33 am by zeusrotty

» Sparkydog's Abnormal Build - 944 With L67 + Ford Stuff & CARB Legal
Sat Aug 12, 2017 3:42 pm by sparkydog

» LSA Supercharged 86 Porsche 944
Sat Aug 12, 2017 7:41 am by haroldk

» Coolant / header tank cap
Wed Aug 09, 2017 7:56 pm by Arthropraxis

» Cadillac ATS Brembo Front Brake Swap
Tue Aug 08, 2017 6:43 pm by superman22x

August 2017
MonTueWedThuFriSatSun
 123456
78910111213
14151617181920
21222324252627
28293031   

Calendar Calendar

Log in

I forgot my password


VARIABLE SPEED vs FIXED

View previous topic View next topic Go down

VARIABLE SPEED vs FIXED

Post  Red944ls1 on Thu Jun 06, 2013 8:09 pm

Hi folks,

So I have read much about variable pressure compressors vs the constant pressure. I still dont understand the why of it.

If I am changing the Dryer, and the compressor -- would I need to modify the compressor still.

I am running lines into the bulkhead from the compressor and condenser. Also if changing my dryer -- it looks that I will have to get a switch ?

Thanks

Red944ls1

Posts : 65
Join date : 2012-08-02

Back to top Go down

Re: VARIABLE SPEED vs FIXED

Post  Arthropraxis on Thu Jun 06, 2013 9:33 pm

If you plan on running the AC using the Porsche switches and HVAC controller the GM compressor needs to be modified to fixed. If you are going to use the pressure sensor off a a GM donor and allow the GM ECM to control the compressor does not need to be modified.
avatar
Arthropraxis

Posts : 1071
Join date : 2009-09-02

Back to top Go down

TRUCK AC COMPRESSOR

Post  Red944ls1 on Fri Jun 07, 2013 8:53 pm

I am going with a truck ac compressor and it has what I think is a pressure switch on the back - Since I am going with this compressor would I need to do the modification as in the LS1 Compressor. Could I use this switch?

[You must be registered and logged in to see this image.]

Red944ls1

Posts : 65
Join date : 2012-08-02

Back to top Go down

Variable pressure

Post  fliermike45 on Fri Jun 07, 2013 9:06 pm

In the F body compressor the variable pressure valve is inside the compressor and retained by a circlip. The connector is for the wiring to the clutch. I'm sure your truck version is similar.

fliermike45

Posts : 778
Join date : 2009-09-19

Back to top Go down

Re: VARIABLE SPEED vs FIXED

Post  Red944ls1 on Fri Jun 07, 2013 9:26 pm

It is very similar as far as removal -- I have pulled the purple connector out it does not look the same --

[You must be registered and logged in to see this image.]

Red944ls1

Posts : 65
Join date : 2012-08-02

Back to top Go down

Pressure

Post  fliermike45 on Fri Jun 07, 2013 9:43 pm

Is the truck compressor fixed pressure?

fliermike45

Posts : 778
Join date : 2009-09-19

Back to top Go down

Re: VARIABLE SPEED vs FIXED

Post  Red944ls1 on Fri Jun 07, 2013 9:58 pm

Thats what I am looking up now -- and it seems that it is.

Red944ls1

Posts : 65
Join date : 2012-08-02

Back to top Go down

Pressure

Post  fliermike45 on Sat Jun 08, 2013 8:01 am

If it is you can use it with the Porsche system without doing any modifications. Control the compressor clutch with the existing Porsche wire. No need to involve the PCM computer.

fliermike45

Posts : 778
Join date : 2009-09-19

Back to top Go down

Re: VARIABLE SPEED vs FIXED

Post  Admin on Sat Jun 08, 2013 9:22 am

Red,
How do you plan to use the truck compressor? have you test fit it yet? Are you planning to cut the frame rail, the line run right into it!
What bracket are you planning to use? The truck bracket is in the wrong location (belt routing) and the truck compressor will not fit in the LS1 style bracket. (wrong bolt locations)

Admin
Admin
Admin

Posts : 1428
Join date : 2009-06-08
Age : 59
Location : Arlington,Texas

http://www.TexasPerformanceConcepts.com

Back to top Go down

View previous topic View next topic Back to top

- Similar topics

 
Permissions in this forum:
You cannot reply to topics in this forum