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Search took 0.02 seconds. Search: Posts Made By: lev16gt

Forum: Porsche Collectables

10-22-2025, 09:50 AM

Replies: 2

FS: Vintage Porsche Audi Tie Clip

Views: 169

Posted By lev16gt

I’ll take it. PM incoming. Thanks!

I’ll take it. PM incoming. Thanks!

Forum: Porsche 911 Technical Forum

09-11-2025, 04:37 PM

Replies: 9

Exhaust Leak or Timing (or both) Cause for Backfiring and Poor Running?

Views: 344

Posted By lev16gt

I have plenty of logs, ranging from just a few...

I have plenty of logs, ranging from just a few minutes to 20+ minutes. I take one every time I drive it. I’ve been meaning to post over on the msextra forums to see what’s what, so I’ll definitely do...

Forum: Porsche 911 Technical Forum

09-11-2025, 01:44 PM

Replies: 9

Exhaust Leak or Timing (or both) Cause for Backfiring and Poor Running?

Views: 344

Posted By lev16gt

Thanks, Showdown. I'm just trying to check...

Thanks, Showdown. I'm just trying to check things off the list, as I've only owned the car a few months and there are so many variables in play. I would hate to try to tune around things only to...

Forum: Porsche 911 Technical Forum

09-10-2025, 06:38 PM

Replies: 9

Exhaust Leak or Timing (or both) Cause for Backfiring and Poor Running?

Views: 344

Posted By lev16gt

Slight update: I moved the fuel pressure...

Slight update: I moved the fuel pressure regulator vacuum hose from the bottom port on the front (facing front of car) of the throttle body, to the bottom port on the rear of the throttle body. The...

Forum: Porsche 911 Technical Forum

09-10-2025, 06:10 PM

Replies: 9

Exhaust Leak or Timing (or both) Cause for Backfiring and Poor Running?

Views: 344

Posted By lev16gt

Published specs for a '76 911s 2.7 are 5 ATDC,...

Published specs for a '76 911s 2.7 are 5 ATDC, which is what my Innova timing light shows (the later SC cars are 5 BTDC). However, the jury is still out on how accurate the Innova light is since I...

Forum: Porsche 911 Technical Forum

09-10-2025, 07:54 AM

Replies: 9

Exhaust Leak or Timing (or both) Cause for Backfiring and Poor Running?

Views: 344

Posted By lev16gt

Good idea to check after the car is warmed up;...

Good idea to check after the car is warmed up; I’ll do that. I let the smoke machine run for 5-10 minutes and there was so much smoke coming from the cyl 6 heat exchanger flange that it was hard to...

Forum: Porsche 911 Technical Forum

09-09-2025, 08:49 PM

Replies: 9

Exhaust Leak or Timing (or both) Cause for Backfiring and Poor Running?

Views: 344

Posted By lev16gt

Exhaust Leak or Timing (or both) Cause for Backfiring and Poor Running?

I've been chasing a backfire and poor running condition. Today I smoke tested the exhaust and found the SSI-to-head flange at cylinder #6 is leaking excessively. There were also very slight leaks at...

Forum: Classic Porsche Literature

08-28-2025, 01:03 PM

Replies: 6

1976 911 Sales Brochure

Views: 745

Posted By lev16gt

I’ll take it! I’ll send you a PM.

I’ll take it! I’ll send you a PM.

Forum: Porsche 911 Technical Forum

08-14-2025, 06:44 AM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

Just wanted to post a follow up to wrap this up....

Just wanted to post a follow up to wrap this up. The above method of picking up power from the red/white WUR wire in the engine bay at the 14-pin connector works just fine to power a wideband o2...

Forum: Porsche 911 Technical Forum

08-09-2025, 04:45 AM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

Wazzz, this is my conclusion as well, using the...

Wazzz, this is my conclusion as well, using the factory diagrams and my multimeter. I haven’t tested it with the battery connected and the key in the various positions, but I will be doing so later...

Forum: Porsche 911 Technical Forum

08-08-2025, 03:55 PM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

I made sure the red/white WUR power wire went to...

I made sure the red/white WUR power wire went to pin 10 on the 14 pin connector in the left rear then checked continuity from pin 10 to the fuel pump relay terminal 30 and all is well. So now I just...

Forum: Porsche 911 Technical Forum

08-08-2025, 01:11 PM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

Great, thank you! I still have the stock FP relay...

Great, thank you! I still have the stock FP relay in place with the FP wire and WUR wire going to it. Although, I no longer have the WUR installed, so I suppose I could remove that wire from the...

Forum: Porsche 911 Technical Forum

08-08-2025, 07:30 AM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

That is what I suspected, as well as with the SCs...

That is what I suspected, as well as with the SCs that have o2 sensors. I believe this is how most/all factory o2 sensors are powered, which is why they last so long.

So yeah, I would like to...

Forum: Porsche 911 Technical Forum

08-08-2025, 06:28 AM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

Thanks, Julian. I will head over to the msextra...

Thanks, Julian. I will head over to the msextra forums today and post over there if I can't find what I'm looking for.

I just figured it might be easier to power it from the fuel pump relay. I...

Forum: Porsche 911 Technical Forum

08-08-2025, 05:33 AM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

That was my plan on wiring as well, as I have a...

That was my plan on wiring as well, as I have a fuse panel powering the ECU and injectors, until I noticed the install instructions indicate the o2 sensor should only be powered with the engine...

Forum: Porsche 911 Technical Forum

08-08-2025, 05:22 AM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

Yes, you're correct. I can control it from a...

Yes, you're correct. I can control it from a currently unused output from the ECU and program it to come on with RPM. I just don't know enough about MS to do so. I suppose I need to research that...

Forum: Porsche 911 Technical Forum

08-07-2025, 08:35 PM

Replies: 16

Wideband o2 Sensor Location on SSI

Views: 447

Posted By lev16gt

I started a new thread with my o2 wiring...

I started a new thread with my o2 wiring question. I figured it would be better to have a new title. The other thread is here:
...

Forum: Porsche 911 Technical Forum

08-07-2025, 08:33 PM

Replies: 18

Wiring o2 Sensor to be Powered Only with Engine On

Views: 447

Posted By lev16gt

Wiring o2 Sensor to be Powered Only with Engine On

Anyone have tips on wiring a wideband o2 sensor to only be powered on when the engine is running (e.g., in tandem with the fuel pump), instead of being powered with ignition on? The generic...

Forum: Porsche 911 Technical Forum

08-07-2025, 01:15 PM

Replies: 16

Wideband o2 Sensor Location on SSI

Views: 447

Posted By lev16gt

Is your sensor wired to come on when the ignition...

Is your sensor wired to come on when the ignition is “on” or only when the car is running?

Forum: Porsche 911 Technical Forum

08-07-2025, 12:04 PM

Replies: 16

Wideband o2 Sensor Location on SSI

Views: 447

Posted By lev16gt

Anyone have tips on wiring a wideband sensor to...

Anyone have tips on wiring a wideband sensor to power on with the fuel pump in our cars, instead of with ignition on? The generic recommendation is to “power it from the fuel pump relay,” but with...

Forum: Porsche 911 Technical Forum

08-04-2025, 06:15 PM

Replies: 4

Breather Hoses with EFI

Views: 256

Posted By lev16gt

Thanks, rwest! Good to know on the small...

Thanks, rwest!

Good to know on the small hose; I guess I could’ve traced its destination. Oops!

That’s what I figured on the hose from the canister. That’s probably the route I’ll go.

For...

Forum: Porsche 911 Technical Forum

08-04-2025, 12:15 PM

Replies: 4

Breather Hoses with EFI

Views: 256

Posted By lev16gt

Breather Hoses with EFI

Apologies for the long post, but I’m buttoning up my EFI conversion and have some breather hose questions. What have people done with the following two hoses after converting to EFI?

The smaller...

Forum: Porsche 911 Technical Forum

08-04-2025, 11:04 AM

Replies: 16

Wideband o2 Sensor Location on SSI

Views: 447

Posted By lev16gt

All great info, thanks everyone!

All great info, thanks everyone!

Forum: Porsche 911 Technical Forum

08-02-2025, 04:50 AM

Replies: 16

Wideband o2 Sensor Location on SSI

Views: 447

Posted By lev16gt

That makes sense, thank you!

That makes sense, thank you!

Forum: Porsche 911 Technical Forum

08-01-2025, 08:16 PM

Replies: 16

Wideband o2 Sensor Location on SSI

Views: 447

Posted By lev16gt

Just one for now. Good call on the valve cover...

Just one for now. Good call on the valve cover removal. That was one reason I was considering moving it further down, but I suppose the sensor could always be removed to pull the valve cover if the...

Showing results 1 to 25 of 37

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