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  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Tue Jan 12, 2021 4:41 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Another edition of..."***** that could of ended our race". Here is 4th gear. The was the whine noise we were hearing at Thunderhill. We spend probably 80% of all our track time in this gea ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Tue Jan 12, 2021 4:40 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Before you ask for HP numbers, we also had to add about 10ft of exhaust routing and a very large muffler to meet sound restrictions at the upcoming race at Laguna Seca next weekend. We will get true ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Tue Jan 12, 2021 4:40 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
As you can see, the space in the chassis is tight. I even had to clearance a bit off the shock tower to gain another ~1" of clearance.

http://forums.pelicanparts.com/uploads26/138587060_102 ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Tue Jan 12, 2021 4:40 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Not much of a break this year as our first race of the season is Laguna Seca next weekend. First up is to address the exhaust manifold and find a better, more reliable solution to the log manifold se ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Thu Dec 31, 2020 7:10 am   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Now back to the technical stuff.

In the 6 or so years of running this car we have managed to bugger up 3 steering racks. The ability to find used racks for these cars is getting increasing diffi ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Thu Dec 31, 2020 7:09 am   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Well...2020 may of been a **** year...but the Porsche 924 has taken the overall win and Lucky Dog Racing championship for a 2nd year in a row. This year was a dogfight with so many very fast cars bac ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Tue Sep 08, 2020 8:07 am   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Nice that you keep updating the thread. Have you though about doing a more ambitious extractor scoop on the bonnet. If you want to improve the efficiency of the radiators?

Yeah....space is a bit ti ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Tue Sep 08, 2020 4:36 am   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
The next things to address is more heat management.

First up with another oil cooler to add to the system. Now the oil comes from the engine thru this cooler first and then thru the oil-water he ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Tue Sep 08, 2020 4:36 am   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Few more technical updates for this thread.

We kept having issues with the T3 flange bolts on the cast manifold coming loose and wanted to go with an slightly bigger turbo so I went about buildin ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Fri Sep 04, 2020 3:18 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Further development of the car lead to building a diffuser. I will probably make one out of carbon fiber at some point, but this was a good start. Even though many doubt it would make a difference, ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Fri Sep 04, 2020 3:18 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
After a few tweaks in CAD, the parts were cut out of aluminum and welded together. I designed it with as many bends on the brakes as possible to reduce the amount of welded that had to be done. It t ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Fri Sep 04, 2020 3:17 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
So after almost running out of fuel multiple times it was time to build/install a custom fuel cell in the car. These cars are complicated by the transmission sitting in the middle so you have to do a ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Fri Sep 04, 2020 3:17 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Ok...back to the techinical updates.

First up, another revision of the front control arms after I found small cracks along the bend of the rev2 arms. These arms are all straight tubes and very str ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Fri Sep 04, 2020 3:17 pm   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
Wow...it has been a really long time since I added some content to this thread. I have changed so much over the past year so I have lots of updates to make.

Before the technical stuff, wanted to s ...
  Topic: Porsche 924 Racecar Build Thread (AAN Conversion)
Britain

Replies: 74
Views: 22671

PostForum: Performance Upgrades   Posted: Sat May 16, 2020 3:57 am   Subject: Porsche 924 Racecar Build Thread (AAN Conversion)
I'm reminded to ask - what drove you to rotate the throttle body on the 931 engine 90 degrees? Looking to do similar IC pipe routing on my street car with the EFI conversion and IC install, but I don' ...
 
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