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  Topic: NACA Duct measurement request
Qik Nip

Replies: 14
Views: 1131

PostForum: 931 Tech.   Posted: Mon Oct 08, 2018 6:51 am   Subject: NACA Duct measurement request
Remember that the hood is a low-pressure zone. Why not try connecting the carburator plenum directly to the batterybox? That is high pressure! Poor manīs turbo

Now that's interesting. To tho ...
  Topic: NACA Duct measurement request
Qik Nip

Replies: 14
Views: 1131

PostForum: 931 Tech.   Posted: Fri Oct 05, 2018 10:14 am   Subject: NACA Duct measurement request
length 15", width 7", depth 1.5"... add maybe 1/2" all around for the "outside" dimensions for grafting on the hood. Maybe not super-precise, but should give you some ide ...
  Topic: NACA Duct measurement request
Qik Nip

Replies: 14
Views: 1131

PostForum: 931 Tech.   Posted: Fri Oct 05, 2018 10:13 am   Subject: NACA Duct measurement request
Im curious, why do you want it?

Cedric:
I hope to get cooler air into the engine while avoiding the added air resistance created by a traditional hood scoop. The air under the hood of a fast m ...
  Topic: NACA Duct measurement request
Qik Nip

Replies: 14
Views: 1131

PostForum: 931 Tech.   Posted: Fri Oct 05, 2018 6:10 am   Subject: NACA Duct measurement request
Can check mine when I get home, if no-one beats me to it...

Thanks. So far you're it!
Rick
  Topic: Lost keys
Qik Nip

Replies: 8
Views: 981

PostForum: General Discussions   Posted: Fri Oct 05, 2018 1:15 am   Subject: Re: Lost keys
I lost the only keys for my 924. I can pry the door to get in, but still no key to start it.

What's the easiest cheapest and quickest route to being able to start it with a screwdriver or button ...
  Topic: NACA Duct measurement request
Qik Nip

Replies: 14
Views: 1131

PostForum: 931 Tech.   Posted: Fri Oct 05, 2018 1:07 am   Subject: NACA Duct measurement request
Can anyone here with a 924 Turbo sitting in their garage do me the favor of measuring the width, depth and length of the NACA vent in the hood? I'm considering "grafting" one on the driver's ...
  Topic: Fortune Cookie 924 Bonneville report
Qik Nip

Replies: 1
Views: 1112

PostForum: 924 Racing Today   Posted: Sat Aug 18, 2018 7:31 am   Subject: Fortune Cookie 924 Bonneville report
Just a quick check in to report on the 924's Bonneville Speed Week performance. (Got home about two hours ago) We bumped our 2017 145.653 record to 149.825 with a 150.2 down run and a return of 149.37 ...
  Topic: Glowing Red Exhaust Manifold Please Help!!!!
Qik Nip

Replies: 9
Views: 5627

PostForum: General Discussions   Posted: Tue Mar 27, 2018 6:41 am   Subject: Glowing Red Exhaust Manifold Please Help!!!!
I had a '76 NA years ago that exhibited a glowing exhaust manifold and after lots of worry and research, determined it was apparently normal! I drove the car until it had 148,000 trouble free miles o ...
  Topic: Bye bye, Blue Lemon
Qik Nip

Replies: 3
Views: 1768

PostForum: General Discussions   Posted: Wed Oct 11, 2017 6:07 am   Subject: Bye bye, Blue Lemon
Coal burner or not, it's great looking and has amazing out of the hole acceleration.
Rick
  Topic: Youtube video of record 924 Bonneville run
Qik Nip

Replies: 18
Views: 4147

PostForum: General Discussions   Posted: Wed Oct 11, 2017 5:29 am   Subject: Lifters
Dan:
Looking back I sure wish I'd known that you had them. It was something of a challenge buying those lifters in a language I don't speak (or read) and in a currency that had me having absolutely n ...
  Topic: Weber dcoe question re: pump jet cover screw Rubber O-ring
Qik Nip

Replies: 3
Views: 1728

PostForum: General Discussions   Posted: Wed Oct 11, 2017 5:21 am   Subject: Weber dcoe question re: pump jet cover screw Rubber O-ring
Patrick:
Assuming that you're able to find an gasoline resistant O ring that is both the identical inside and outside diameter, I'm pretty sure you'll be okay. If you end up needing the original, I'd ...
  Topic: Youtube video of record 924 Bonneville run
Qik Nip

Replies: 18
Views: 4147

PostForum: General Discussions   Posted: Tue Oct 10, 2017 7:20 am   Subject: Youtube video of record 924 Bonneville run
The lifters I asked Sten Parner to make

The Porsche SAE papers from Motorbooks International 1979, "The Porsche 924 Body - Main Development Objectives" by Hermann E. Burst and Rainer ...
  Topic: Youtube video of record 924 Bonneville run
Qik Nip

Replies: 18
Views: 4147

PostForum: General Discussions   Posted: Tue Oct 10, 2017 6:46 am   Subject: Re: Engine answers
When dynoed it peaked at 8,300 RPM's - although it will pretty safely spin at 8,500.
You didn't mention lifters...I presume you are not using the OEM lifters? They are known to crack at about 7500 R ...
  Topic: Youtube video of record 924 Bonneville run
Qik Nip

Replies: 18
Views: 4147

PostForum: General Discussions   Posted: Tue Oct 10, 2017 2:35 am   Subject: Youtube video of record 924 Bonneville run
Interestering indeed.

The 933 wasnīt able to deliver more than 180 bhp @ 7500. How much does your head flow? 180-190cfm? Making more than 200bhp is difficult given these constrains.

According to ...
  Topic: Youtube video of record 924 Bonneville run
Qik Nip

Replies: 18
Views: 4147

PostForum: General Discussions   Posted: Mon Oct 09, 2017 3:20 am   Subject: Engine answers
Tell us more about the engine. Are you revving the stock 2l to 8300? Sounds like you need different gearing if you can do 8 sec in top gear on a salt lake. 165mph is a lot by the way!

Carl:
It's a ...
 
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