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  Topic: 1981 931 - Need replacement catalytic converter
3forall

Replies: 11
Views: 12245

PostForum: 931 Tech.   Posted: Tue May 08, 2018 6:21 am   Subject: 1981 931 - Need replacement catalytic converter
I'd say replace it with a cheap resonator. Without the cat (straight) it gets too loud and the resonator helps the sound be a little less agricultural.
  Topic: Installing Liquid Water to Air Intercooler
3forall

Replies: 3
Views: 10535

PostForum: 931 Tech.   Posted: Sun Apr 22, 2018 5:46 am   Subject: Installing Liquid Water to Air Intercooler
As Ideola says it won't fit on top of the engine, it's at least 2.5-3.0 inches too thick. I installed the exact same intercooler and put it on the driver side of the engine bay next to the frame rail ...
  Topic: Headlamp Wiring
3forall

Replies: 4
Views: 3012

PostForum: General Discussions   Posted: Sat Dec 30, 2017 8:34 am   Subject: Headlamp Wiring
They cross over to the drivers side by routing under the "nose" of the car, behind the bumper and up near the badge panel. They join with the driver side headlight wires and together go to t ...
  Topic: Fuel rail for Megasquirt conversion
3forall

Replies: 14
Views: 7377

PostForum: Performance Upgrades   Posted: Sat Nov 04, 2017 9:52 am   Subject: Fuel rail for Megasquirt conversion
The ford zetec one will fit but does not have a return line. I used one from a Chrysler Lebaron Turbo, the spacing is correct, it has a return line and an integrated Bosch fuel pressure regulator. The ...
  Topic: Found injectors with long nose suitable for EFI conversion
3forall

Replies: 8
Views: 5315

PostForum: Performance Upgrades   Posted: Mon Oct 02, 2017 9:52 am   Subject: Found injectors with long nose suitable for EFI conversion
An easier and cheaper alternative are those from a Volvo with the turbo 1.9. They are 42lb or about 440cc injectors with the long nose. I drilled out some injector cups (don't know what car or injecto ...
  Topic: Charged air temperature?
3forall

Replies: 7
Views: 2829

PostForum: General Discussions   Posted: Tue Sep 12, 2017 8:52 am   Subject: Charged air temperature?
Highest I have seen mine at is ~ 8 degrees Celsius above ambient at 12 psi with my homemade liquid intercooler. It could probably be reduced it a little with better air flow to the radiator but it's a ...
  Topic: 110 octane leaded fuel
3forall

Replies: 3
Views: 1816

PostForum: General Discussions   Posted: Sat Sep 02, 2017 10:10 pm   Subject: 110 octane leaded fuel
Injection- Nothing unless it has significantly more/less detergents compared to regular pump gas, but I would assume it's similar.

Compression- Fuel won't change your compression but since you woul ...
  Topic: Stripped return line...
3forall

Replies: 8
Views: 2041

PostForum: General Discussions   Posted: Fri Jul 21, 2017 9:23 am   Subject: Stripped return line...
You answered it yourself, extremely disgusting and risky, you don't want a fuel line to come apart under any circumstance. As for sourcing the part, you don't need ebay when you have access to this si ...
  Topic: ground points under dash, need to remove relay box?
3forall

Replies: 1
Views: 916

PostForum: General Discussions   Posted: Wed Jul 19, 2017 9:01 am   Subject: ground points under dash, need to remove relay box?
It is possible but annoying, I used a 10mm socket with a long extension. It is a ring of 8 male spade connectors bolted to the sheet metal using a 10mm bolt. the grounds are female spade connectors, m ...
  Topic: Purpose-built 36-1 Trigger Wheels now available for 924 2.0L
3forall

Replies: 20
Views: 11537

PostForum: General Discussions   Posted: Fri Jun 02, 2017 12:09 am   Subject: Purpose-built 36-1 Trigger Wheels now available for 924 2.0L
I have a 36-1 wheel from ideola and the same thing happens but I don't blame the wheel. My belt does move around a bit, when the engine is cold it sits right along the edge of the cam sprocket towards ...
  Topic: Let's get someone on this
3forall

Replies: 10
Views: 12002

PostForum: 931 Tech.   Posted: Sun May 22, 2016 11:36 am   Subject: Let's get someone on this
I don't know. The car showed the signs of crank sensor failure, and I couldn't find a way to properly test the sensor. I had plans to convert ignition and later EFI with megasquirt so I went ahead and ...
  Topic: Let's get someone on this
3forall

Replies: 10
Views: 12002

PostForum: 931 Tech.   Posted: Sun May 22, 2016 9:24 am   Subject: Let's get someone on this
I have this one that I pulled out last week, but it sure isn't intact.

http://i.imgur.com/GDIh6tY.jpg
  Topic: DITC diagnosis
3forall

Replies: 4
Views: 6209

PostForum: 931 Tech.   Posted: Fri Nov 13, 2015 11:22 pm   Subject: DITC diagnosis
Petition signed

Now, is there any way to test the sensor? I'd like to confirm the issue before I start planing another ignition system.
  Topic: DITC diagnosis
3forall

Replies: 4
Views: 6209

PostForum: 931 Tech.   Posted: Fri Nov 13, 2015 10:37 am   Subject: DITC diagnosis
Hey guys,

I'm having some electrical woes, my 931 s2 cranks but won't start.

The issue started when I went to start the car, it started but wouldn't hold the idle, it ran very rough and I had to ...
  Topic: Leaking turbo oil inlet
3forall

Replies: 7
Views: 5651

PostForum: 931 Tech.   Posted: Sat May 30, 2015 1:07 pm   Subject: Leaking turbo oil inlet
If its a leak where the hard line connects to the mount you can snug it up, I think I cut a 19mm open end short for this.. (check size before you cut)

If its a leak between the mount and the turbo ...
 
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