Author |
Message |
Topic: Spring rate for Porsche 924 Turbo |
!tom
Replies: 7
Views: 296
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Forum: General Discussions Posted: Wed Feb 24, 2021 8:11 am Subject: Spring rate for Porsche 924 Turbo |
Softer rear springs should promote understeer, harder rear springs oversteer.
Your setup seems backwards.
You may wish to tune this with your swaybar. |
Topic: Odd fuel issue |
!tom
Replies: 2
Views: 641
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Forum: General Discussions Posted: Thu Jan 28, 2021 8:42 am Subject: Odd fuel issue |
This is what I found out when investigating my fuel pump relay.
http://www.924board.org/viewtopic.php?p=289747
Not sure what year or type your car is, but if it's a '78 NA, then the switch inside ... |
Topic: Motor mount replacement |
!tom
Replies: 15
Views: 13740
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Forum: How-To Posted: Fri Jan 22, 2021 9:56 am Subject: Motor mount replacement |
Hmmm. I swapped both motor mounts years ago and don't remember it being anything special.
Maybe try from the bottom instead of the top? |
Topic: Stage Next... |
!tom
Replies: 366
Views: 94042
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Forum: 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: What would cause a 931 fuel pump fuse to fail? |
!tom
Replies: 31
Views: 8170
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Forum: 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: 8170
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Forum: 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: 2487
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Forum: 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: 1380
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Forum: 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: 2089
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Forum: 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: 2089
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Forum: 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: 3997
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Forum: 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: 4197
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Forum: 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: 2959
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Forum: 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: 12205
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Forum: 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: 7769
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Forum: 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. |
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