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  Topic: Stage Next...
!tom

Replies: 343
Views: 83475

PostForum: Performance Upgrades   Posted: Tue Nov 03, 2020 8:20 am   Subject: Stage Next...
Love to see more details on that heater core bodge job...
  Topic: 924 cylinder head "section" piece
!tom

Replies: 8
Views: 986

PostForum: Cars and Parts Wanted/For Sale   Posted: Sat Oct 17, 2020 5:49 am   Subject: 924 cylinder head "section" piece
http://www.924board.org/viewtopic.php?p=260392#260392
  Topic: What would cause a 931 fuel pump fuse to fail?
!tom

Replies: 31
Views: 3953

PostForum: 931 Tech.   Posted: Tue Sep 22, 2020 5:48 am   Subject: What would cause a 931 fuel pump fuse to fail?
What voltage drop are you looking for?

There will always be voltage drop whenever significant currents are involved, such as running the fuel pump. There are several connections, and many feet of f ...
  Topic: What would cause a 931 fuel pump fuse to fail?
!tom

Replies: 31
Views: 3953

PostForum: 931 Tech.   Posted: Wed Sep 09, 2020 5:10 am   Subject: What would cause a 931 fuel pump fuse to fail?
Poor electrical contact on the end of the fuse that is burnt. Clean that contact, or your new fuse will likely suffer the same fate.
  Topic: 1978 924 fuel pump / fuel pump relay
!tom

Replies: 7
Views: 1586

PostForum: General Discussions   Posted: Thu Aug 20, 2020 4:31 am   Subject: 1978 924 fuel pump / fuel pump relay
I've discussed some of my findings about my fuel pump relay (also from a '78) in [url=http://www.924board.org/viewtopic.php?p=289747#289747]this thread.
  Topic: m471 brake swap into my 77 which master cylinder?
!tom

Replies: 1
Views: 844

PostForum: Performance Upgrades   Posted: Thu Aug 06, 2020 5:26 am   Subject: m471 brake swap into my 77 which master cylinder?
You should be fine using either master cylinder. Just make sure the brake routing matches the master cylinder you use.

Early cars connect the left front / right rear to one chamber in the master cy ...
  Topic: running smaller tires for autocross?
!tom

Replies: 7
Views: 1343

PostForum: Performance Upgrades   Posted: Tue Jul 28, 2020 3:48 am   Subject: running smaller tires for autocross?
I've never done the autocross, but I know a few people who do at Western Speedway.

My car is currently sidelined, and one of these days I'll get around to fixing it. Might show up then, it looks li ...
  Topic: running smaller tires for autocross?
!tom

Replies: 7
Views: 1343

PostForum: Performance Upgrades   Posted: Fri Jul 24, 2020 4:39 am   Subject: running smaller tires for autocross?
Where are you planning on autocrossing?
  Topic: 924 Brakes - Master Cylinder?
!tom

Replies: 11
Views: 2697

PostForum: General Discussions   Posted: Fri Jul 24, 2020 4:36 am   Subject: 924 Brakes - Master Cylinder?
The 78 still used pressure switches...
  Topic: Sudden loss of power when hot
!tom

Replies: 14
Views: 3229

PostForum: General Discussions   Posted: Tue May 26, 2020 1:38 pm   Subject: Sudden loss of power when hot
It's possible for internal connections to fail so that they are intermittent as you describe.
  Topic: Dragging Brakes
!tom

Replies: 3
Views: 2465

PostForum: General Discussions   Posted: Mon May 11, 2020 9:22 am   Subject: Dragging Brakes
I had a cooling system issue with my car, and I ended up not getting around to fixing it for way longer than expected. As such, it's been sitting for around 4 years without moving.

It's a 924 with ...
  Topic: Crank, no start, no tach bounce, but...
!tom

Replies: 24
Views: 9354

PostForum: 931 Tech.   Posted: Fri May 01, 2020 11:12 am   Subject: Crank, no start, no tach bounce, but...
If you're concerned about damaging the valves, just turn the motor over by hand after a timing adjustment. You'll be able to feel interference without causing damage.

The starter might damage thing ...
  Topic: Fuel not getting to the injectors
!tom

Replies: 16
Views: 6694

PostForum: General Discussions   Posted: Sat Apr 25, 2020 10:32 am   Subject: Fuel not getting to the injectors
Perhaps the Warm-Up-Regulator, which adjusts the control pressure to enrich the fuel mixture when the engine is cold needs attention.
  Topic: Fuel not getting to the injectors
!tom

Replies: 16
Views: 6694

PostForum: General Discussions   Posted: Fri Apr 24, 2020 4:20 am   Subject: Fuel not getting to the injectors
Possibly the control pressure is wrong?
  Topic: New guy with some questions
!tom

Replies: 9
Views: 3615

PostForum: General Discussions   Posted: Thu Apr 23, 2020 4:03 am   Subject: New guy with some questions
If you have an early master cylinder that has the same sized bores for both chambers, there is no need to change the routing of the brake lines.

The volume of 1 front and 1 rear caliper on one circ ...
 
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