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924 FAQ (Technical)| Search found 431 matches |
| Author | Message |
|---|---|
 Topic: EFI, Turbo, ITBs, Velocity Stacks and Dual Plenum |
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| kondzi Replies: 4 Views: 40993 |
 Forum: Performance Upgrades Posted: Thu Mar 20, 2025 2:59 am Subject: EFI, Turbo, ITBs, Velocity Stacks and Dual Plenum |
| One wise man said: fit whatever fits under the bonnet and at the end match a cam to that setup. I’ll watch / learn. Thx. | |
| Topic: EFI, Turbo, ITBs, Velocity Stacks and Dual Plenum |
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| kondzi Replies: 4 Views: 40993 |
Forum: Performance Upgrades Posted: Wed Mar 19, 2025 7:25 am Subject: EFI, Turbo, ITBs, Velocity Stacks and Dual Plenum |
Overkill you say? 
Take a look here: https://www.bufkinengineering.com/intake%20manifolds.htm Seems the dual plenum idea is sensible. https://www.classicporsche.pl/wp-content/uploads/2025/ ... |
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| Topic: My 924 Turbo, willwood rear calipers.. |
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| kondzi Replies: 318 Views: 361333 |
Forum: Performance Upgrades Posted: Wed Mar 19, 2025 6:58 am Subject: My 924 Turbo, willwood rear calipers.. |
| So cool! Can you sell me one?
Its very specific though, for this brand of strut bar, otherwise i would have probably ordered at least two 
My strut bar is not yet there. Still need to finis ... |
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| Topic: CS Head Build - Bigger Lighter Valves - Process - Progress |
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| kondzi Replies: 395 Views: 226658 |
Forum: Performance Upgrades Posted: Wed Mar 19, 2025 1:08 am Subject: CS Head Build - Bigger Lighter Valves - Process - Progress |
| CIS can supply a LOT of fuel. But can it do it when it’s needed adequtely? I’m not 100% sure. | |
| Topic: EFI, Turbo, ITBs, Velocity Stacks and Dual Plenum |
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| kondzi Replies: 4 Views: 40993 |
Forum: Performance Upgrades Posted: Tue Mar 18, 2025 11:25 pm Subject: EFI, Turbo, ITBs, Velocity Stacks and Dual Plenum |
| So I need an outsider's fresh look onto that.
Maybe you remember that I started converting my 931 to IC and Turbo with cold side from Audi Quattro and billet compression wheel. So the journey co ... |
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| Topic: My 924 Turbo, willwood rear calipers.. |
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| kondzi Replies: 318 Views: 361333 |
Forum: Performance Upgrades Posted: Tue Mar 18, 2025 11:06 pm Subject: My 924 Turbo, willwood rear calipers.. |
| So cool! Can you sell me one? |
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| Topic: Need some help for porting the intake port in 964 |
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| kondzi Replies: 53 Views: 167888 |
Forum: Performance Upgrades Posted: Sat Oct 19, 2024 9:30 pm Subject: Need some help for porting the intake port in 964 |
| Darn, how much I missed, No time to go through all of that.
But Anyway, yesterday it was dyno tuning day for the car with the above mentioned heads. I got 320HP and 380Nm. I’m very pleased with ... |
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| Topic: brake upgrade on 931 Carrera GT |
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| kondzi Replies: 10 Views: 34341 |
Forum: Performance Upgrades Posted: Thu Jul 20, 2023 9:33 pm Subject: brake upgrade on 931 Carrera GT |
| Cedric don't be that pragmatic, give a little fun to us |
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| Topic: brake upgrade on 931 Carrera GT |
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| kondzi Replies: 10 Views: 34341 |
Forum: Performance Upgrades Posted: Wed Jul 19, 2023 8:23 pm Subject: brake upgrade on 931 Carrera GT |
| Hi stan911.
It looks like a very nice car to drive
Regarding brakes, rear 944T fits nicely, P'N'P. You need the early 951 rotor though. What I did for my 931 is front calipers from 997 C4S ... |
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| Topic: Need some help for porting the intake port in 964 |
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| kondzi Replies: 53 Views: 167888 |
Forum: Performance Upgrades Posted: Wed Jul 19, 2023 7:58 am Subject: Need some help for porting the intake port in 964 |
Guys I discovered something nice today 
I was resurfacing the heads on my lathe, and after that, cleaning the heads to prepare them for assembly in some time. As I was paying attention to get ... |
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| Topic: Need some help for porting the intake port in 964 |
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| kondzi Replies: 53 Views: 167888 |
Forum: Performance Upgrades Posted: Sun Jul 16, 2023 5:34 am Subject: Need some help for porting the intake port in 964 |
| Thanks Ciprian, what I’m afraid is the courier losing the package
Currently I can live without the scan. I got the STP file though. But I only have a viewer. Can this step file be converted to s ... |
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| Topic: Love for the unloved - 924 Build in Oz |
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| kondzi Replies: 21 Views: 66816 |
Forum: Performance Upgrades Posted: Wed Jul 12, 2023 6:39 pm Subject: Love for the unloved - 924 Build in Oz |
| Keep us posted, keep the work going' |
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| Topic: Accuspark ignition on 77 NA 924 |
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| kondzi Replies: 1 Views: 4039 |
Forum: General Discussions Posted: Wed Jul 12, 2023 6:38 pm Subject: Accuspark ignition on 77 NA 924 |
| Ballast resistor is just a wire with resistance, don't look for a regular resistor
What I would do, I'd just put a new wire from the fuse box, or anywhere else close in the engine bay (+12V whe ... |
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| Topic: Need some help for porting the intake port in 964 |
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| kondzi Replies: 53 Views: 167888 |
Forum: Performance Upgrades Posted: Wed Jul 12, 2023 6:34 pm Subject: Need some help for porting the intake port in 964 |
| Would be nice to scan these in 3D and try to arrange one on the other in CAD software to see where the differences are. Unfortunately I don't have access to a 3D scanner and none anywhere nearby comme ... | |
| Topic: Need some help for porting the intake port in 964 |
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| kondzi Replies: 53 Views: 167888 |
Forum: Performance Upgrades Posted: Tue Jul 11, 2023 4:13 am Subject: Need some help for porting the intake port in 964 |
| I did take the mold of the CNC'ed port.
From top to down: - stock - hand ported - CNC ported Don't be mislead by the camera lens.These are all same in diameter in general. http://forums.pe ... |
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