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Showing results 1 to 22 of 22
Search took 0.01 seconds. Search: Posts Made By: BrianH74
Forum: Porsche 911 Technical Forum 04-13-2024, 03:02 PM
Replies: 9
Views: 455
Posted By BrianH74
A little more info...it's in the low 60s here in...

A little more info...it's in the low 60s here in Michigan today. I took the car out for a drive, including about 10 minutes at 80mph on the highway. Car got up to 180 and stayed there while on the...
Forum: Porsche 911 Technical Forum 04-12-2024, 09:41 AM
Replies: 9
Views: 455
Posted By BrianH74
Thomas, My '74 has no external oil cooler. It...

Thomas,
My '74 has no external oil cooler. It only has the case-mounted cooler with the case-mounted thermostat. I will compare my infrared temp gun readings with the oil temp gauge this weekend to...
Forum: Porsche 911 Technical Forum 04-11-2024, 03:40 AM
Replies: 9
Views: 455
Posted By BrianH74
This being my first air-cooled car, I was just...

This being my first air-cooled car, I was just checking to see if my assumptions about how long it takes to get to temp were correct before diving in and pulling the t-stat. Besides, if it's stuck...
Forum: Porsche 911 Technical Forum 04-10-2024, 06:14 PM
Replies: 9
Views: 455
Posted By BrianH74
'74 2.7 Coupe not getting up to temp

Guys, I don't think my '74 is warming up like it should. When I drove it in colder weather several weeks ago here in MI (temps in the 40s and 50s) it barely got up to 130F or so. I drove it last...
Forum: Porsche 911 Technical Forum 03-31-2024, 05:25 AM
Replies: 37
Views: 1,439
Posted By BrianH74
I added a couple more shims to the FD SP valve. ...

I added a couple more shims to the FD SP valve. Pressure is now up to 4.8 Bar which is right in the middle of spec. I have to re-run my control pressure numbers later today. I took the car for a...
Forum: Porsche 911 Technical Forum 03-28-2024, 06:28 PM
Replies: 37
Views: 1,439
Posted By BrianH74
Tony, just saw your response. I ordered that FD...

Tony, just saw your response. I ordered that FD fitting to get the TPR plumbed back in on the same port as the WUR. I'm not 100% sure the place I ordered it from can source it though. If anyone...
Forum: Porsche 911 Technical Forum 03-28-2024, 06:23 PM
Replies: 37
Views: 1,439
Posted By BrianH74
OK, so I spent the afternoon doing some testing...

OK, so I spent the afternoon doing some testing and adjusting of the CIS system on my '74. First, I removed the pressure valve on the back of the FD to raise system pressure. It was initially 4.2...
Forum: Porsche 911 Technical Forum 03-28-2024, 05:39 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Thanks for the offer Tony. I may take you up on...

Thanks for the offer Tony. I may take you up on that.

I was going to follow the steps in the Porsche manual to test it. Basically measure control pressure at half-throttle and at full-throttle...
Forum: Porsche 911 Technical Forum 03-27-2024, 12:42 PM
Replies: 37
Views: 1,439
Posted By BrianH74
Hey that's good news Tony. I'm going to adjust...

Hey that's good news Tony. I'm going to adjust system pressure into spec tomorrow and then run the cold and warm CP tests. I'll post the results.

Brian
Forum: Porsche 911 Technical Forum 03-27-2024, 08:03 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Anyone have a clue about where my particular WUR...

Anyone have a clue about where my particular WUR came from and what the proper control pressure graph to use would be? Once I shim my FD and get system pressure corrected, I will re-test my WUR, but...
Forum: Porsche 911 Technical Forum 03-26-2024, 07:32 PM
Replies: 37
Views: 1,439
Posted By BrianH74
The resistance value of my WUR is 49 ohms. ...

The resistance value of my WUR is 49 ohms.

Brian
Forum: Porsche 911 Technical Forum 03-25-2024, 11:54 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Hi Tony, I already did the CCP and warm CP...

Hi Tony,
I already did the CCP and warm CP tests on the WUR. However, with base system pressure out-of-spec, I kind of figured the numbers were invalid. I'm going to do as you suggest and get SP...
Forum: Porsche 911 Technical Forum 03-25-2024, 09:01 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Tony, to answer your question about why I need a...

Tony, to answer your question about why I need a TPR - I just assumed that if Bosch/Porsche designed it as part of the CIS system, it was needed. From what I understand, it leans the mixture at...
Forum: Porsche 911 Technical Forum 03-25-2024, 08:02 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Thanks Tony. I did test the WUR already, but my...

Thanks Tony. I did test the WUR already, but my system pressure was low (4.2 Bar) so I'm not sure the readings are relevant. I need to shim the FD to get system pressure in spec and then re-check...
Forum: Porsche 911 Technical Forum 03-25-2024, 04:01 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Hi Harry, For some reason, the throttle valve...

Hi Harry,
For some reason, the throttle valve regulator is disconnected at the FD. The line is just hanging there. I assumed a bunch of dirt got in the fuel line as a result so I was thinking of...
Forum: Porsche 911 Technical Forum 03-24-2024, 05:44 PM
Replies: 37
Views: 1,439
Posted By BrianH74
Here is a clearer pic of my WUR. There is NO...

Here is a clearer pic of my WUR. There is NO model number after the Bosch part number. Now what?

A couple more questions - if I want to replace my fuel line from the FD to the throttle valve...
Forum: Porsche 911 Technical Forum 03-24-2024, 11:24 AM
Replies: 5,610
Views: 1,262,779
Posted By BrianH74
Thanks MTN930....either Light Yellow (this color)...

Thanks MTN930....either Light Yellow (this color) or Signal Yellow were at the top of the color list. I think they look great on a 911, especially with the bright trim.

Brian
Forum: Porsche 911 Technical Forum 03-24-2024, 05:40 AM
Replies: 5,610
Views: 1,262,779
Posted By BrianH74
Here are a couple of shots of mine. This was my...

Here are a couple of shots of mine. This was my first drive in a 911.
http://forums.pelicanparts.com/uploads26/20240210_1429321711283780.jpg...
Forum: Porsche 911 Technical Forum 03-23-2024, 07:11 PM
Replies: 37
Views: 1,439
Posted By BrianH74
I checked the WUR really closely with a...

I checked the WUR really closely with a flashlight, looking for a faint stamping on there. I know one SHOULD be there but I don't see one. I'll double-check in the morning to make sure I didn't...
Forum: Porsche 911 Technical Forum 03-23-2024, 11:08 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Hi Tony, There are no numbers. It's blank. I...

Hi Tony,
There are no numbers. It's blank. I know there is supposed to be a 3-digit model number after the Bosch part number but this WUR doesn't have one.

Brian
Forum: Porsche 911 Technical Forum 03-23-2024, 10:06 AM
Replies: 37
Views: 1,439
Posted By BrianH74
Troubleshooting my '74s CIS system

Hi all,
First post for me since acquiring my first Porsche - a 1974 base model coupe. The car runs but doesn't run nearly as well as I think it should. Runs rough when cold and has an unsteady idle...
Forum: Porsche 911 Technical Forum 01-23-2024, 03:30 AM
Replies: 30
Views: 3,126
Posted By BrianH74
Option Group K09

I know this is an old thread but I just bought a '74 911 from the original owner. He sent me a copy of the lease agreement, and on the agreement you can see where the salesman listed out option K09...
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