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Showing results 1 to 25 of 46
Search took 0.01 seconds. Search: Posts Made By: bose213
Forum: Porsche 911 Technical Forum 08-20-2025, 10:10 AM
Replies: 5
Views: 344
Posted By bose213
Torsion bar diameter

Hi everyone,

My car is 79 911sc sportomatic. I’m still running the original factory torsion bars on my car. They’re pretty old now, and I think it might be time to replace them since metal wears...
Forum: Porsche 911 Technical Forum 07-25-2025, 10:59 AM
Replies: 1
Views: 205
Posted By bose213
Cold/Hot start problem

Hello!
My car is 1979 911sc ROW (sportomatic).
I'm currently dealing with an issue where, after driving the car hard and bringing the oil temperature close to the red zone, the engine has trouble...
Forum: Porsche 911 Technical Forum 06-24-2025, 07:12 AM
Replies: 10
Views: 382
Posted By bose213
That’s what I’m going to do. Thank you!

That’s what I’m going to do. Thank you!
Forum: Porsche 911 Technical Forum 06-24-2025, 06:10 AM
Replies: 0
Views: 137
Posted By bose213
How to do a fuel volume test?

Hi everyone,

I need some help figuring out the correct way to perform a fuel volume test on my CIS system (911sc 1979). According to the Bentley manual, it says to disconnect the lower line going...
Forum: Porsche 911 Technical Forum 06-24-2025, 05:35 AM
Replies: 3
Views: 174
Posted By bose213
Thank you very much!

Thank you very much!
Forum: Porsche 911 Technical Forum 06-24-2025, 04:40 AM
Replies: 3
Views: 174
Posted By bose213
Fuel pressure

Hey everyone, I’m having an issue with my car jerking at over 4000 RPM. 911sc 1979

I decided to check the fuel system pressure. The control pressure, system pressure, and leak test all showed...
Forum: Porsche 911 Technical Forum 06-23-2025, 02:00 PM
Replies: 10
Views: 382
Posted By bose213
Thanks guys for your replies — I really...

Thanks guys for your replies — I really appreciate the input. I think I might have figured out what’s going on.

At first, the car started jerking at high RPMs, and I noticed that the fuel pump...
Forum: Porsche 911 Technical Forum 06-22-2025, 11:51 AM
Replies: 10
Views: 382
Posted By bose213
I have the original CDI

I have the original CDI
Forum: Porsche 911 Technical Forum 06-22-2025, 10:55 AM
Replies: 10
Views: 382
Posted By bose213
Jerking at High RPM

Hi everyone,

I’m having an issue with my 1979 Porsche 911 SC. When I accelerate and the RPM goes over 4000, the car starts jerking or hesitating. This only started recently.

I’ve done a few...
Forum: Porsche 911 Technical Forum 04-12-2025, 01:29 PM
Replies: 15
Views: 1,068
Posted By bose213
My car is from Japan, so it's probably a bit...

My car is from Japan, so it's probably a bit different in some ways compared to the European or American versions.
Forum: Porsche 911 Technical Forum 04-11-2025, 02:26 AM
Replies: 15
Views: 1,068
Posted By bose213
Today I removed the spark plugs from my engine...

Today I removed the spark plugs from my engine for the first time and was surprised to find Bosch W3CC installed. That’s definitely not the same as W8DC. Isn’t W3CC too cold of a plug, considering...
Forum: Porsche 911 Technical Forum 04-09-2025, 10:44 PM
Replies: 15
Views: 1,068
Posted By bose213
Thank you for your response. So, which modern...

Thank you for your response. So, which modern spark plug should I choose?
Forum: Porsche 911 Technical Forum 04-09-2025, 01:07 PM
Replies: 15
Views: 1,068
Posted By bose213
Original spark plug

Hi,

I'm looking to buy new spark plugs for my 1979 Porsche 911SC 3.0L. I’ve noticed that most people seem to use Bosch WR8DC plugs, but originally the car came with Bosch W8DC plugs. Of course,...
Forum: Porsche 911 Technical Forum 04-03-2025, 12:44 PM
Replies: 3
Views: 292
Posted By bose213
Thank you, Tony, for your response. I started...

Thank you, Tony, for your response.
I started with the fuel distributor and unscrewed the primary pressure valve. I was surprised to see that it doesn’t look like the one in the book’s diagram. The...
Forum: Porsche 911 Technical Forum 04-03-2025, 06:27 AM
Replies: 3
Views: 292
Posted By bose213
Porsche Crest Where is my fuel check valve?

Hello everyone,

I’m experiencing a hot restart problem. Someone suggested replacing the fuel check valve. I inspected the fuel pump but didn’t see a check valve between the pump and the fuel line....
Forum: Porsche 911 Technical Forum 03-31-2025, 04:10 PM
Replies: 5
Views: 504
Posted By bose213
Knocking sound at low rpm (video attached)

Hello everyone. I have Porsche 911sc 1979 sportomatic.

I’ve noticed a knocking sound coming from my engine when the RPMs are low. It doesn’t seem to happen at higher speeds, but at revs, the...
Forum: Porsche 911 Technical Forum 03-31-2025, 03:52 PM
Replies: 13
Views: 545
Posted By bose213
Can’t rotate the engine manually

Hello,

I have a problem when trying to turn the engine manually using a wrench on the cooling fan. The belt that connects the fan to the engine keeps slipping, even though it is properly...
Forum: Porsche 911 Technical Forum 03-31-2025, 03:49 PM
Replies: 181
Views: 18,066
Posted By bose213
What engine oil for 1979 911sc?

Hello,

I have a question regarding engine oil for my 1979 Porsche 911 SC. I’ve seen online that Porsche recommends using fully synthetic oil with a viscosity of 10W-60 for the 3.0L engine. However...
Forum: Porsche 911 Technical Forum 04-09-2024, 11:11 PM
Replies: 4
Views: 470
Posted By bose213
Yes! You are right. Thanks!

Yes! You are right. Thanks!
Forum: Porsche 911 Technical Forum 04-09-2024, 11:29 AM
Replies: 4
Views: 470
Posted By bose213
Hi Tony, It is a black square box with a...

Hi Tony,

It is a black square box with a cross. You can't see the wire on the photo but it's a 6-pin connector or something. I will take a better photo tomorrow.
Forum: Porsche 911 Technical Forum 04-08-2024, 01:20 PM
Replies: 8
Views: 659
Posted By bose213
This scheme looks similar to my wiring. What is...

This scheme looks similar to my wiring. What is this?

http://forums.pelicanparts.com/uploads26/IMG_17641712607503.jpg
http://forums.pelicanparts.com/uploads26/IMG_17651712607503.jpg
Forum: Porsche 911 Technical Forum 04-08-2024, 11:03 AM
Replies: 4
Views: 470
Posted By bose213
Fuel pump question

Hello.
Found an unplugged connector behind the fuel level gauge. I did research and figured out that it was a fuel pump harness connector or something. If it is a fuel pump then the question is why...
Forum: Porsche 911 Technical Forum 04-08-2024, 10:47 AM
Replies: 8
Views: 659
Posted By bose213
Guys, there is no little black box with the...

Guys, there is no little black box with the button to reset EGR light. Please check the photos. Also, I recorded the video. The EGR light lights up when the ignition is on and when I start the engine...
Forum: Porsche 911 Technical Forum 04-07-2024, 12:48 PM
Replies: 8
Views: 659
Posted By bose213
I pulled the oil gauge and there was no bulb on...

I pulled the oil gauge and there was no bulb on the top.
Forum: Porsche 911 Technical Forum 04-07-2024, 12:47 PM
Replies: 8
Views: 659
Posted By bose213
Could you please explain in more detail what they...

Could you please explain in more detail what they do?
Mine is 1979, If I'm not mistaken there was no oxygen sensor.
Showing results 1 to 25 of 46
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