Author |
Message |
Topic: CS Head Build - Bigger Lighter Valves - Process - Progress |
gegge
Replies: 373
Views: 48810
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Forum: Performance Upgrades Posted: Sat May 06, 2023 3:02 am Subject: CS Head Build - Bigger Lighter Valves - Process - Progress |
I just love to read this! "Pressure recovery" does feel goood. |
Topic: CS Head Build - Bigger Lighter Valves - Process - Progress |
gegge
Replies: 373
Views: 48810
|
Forum: Performance Upgrades Posted: Sun Apr 16, 2023 6:12 pm Subject: CS Head Build - Bigger Lighter Valves - Process - Progress |
Probably the most interesting thread for the last ten years. Thank you, sir!
IIRC my head flowed 173.5 cfm @ 0.55 but I de-tuned it later with a cam with 0.53 lift. Erland ported the intake runners ... |
Topic: Bridgeway con rods? |
gegge
Replies: 23
Views: 2846
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Forum: Performance Upgrades Posted: Sat Mar 11, 2023 11:19 pm Subject: Bridgeway con rods? |
I might be interested in an set. |
Topic: CS Head Build - Bigger Lighter Valves - Process - Progress |
gegge
Replies: 373
Views: 48810
|
Forum: Performance Upgrades Posted: Sat Jan 14, 2023 9:41 pm Subject: CS Head Build - Bigger Lighter Valves - Process - Progress |
Erland IS awesome and a legend on the Speedtalk site.
Note the test he did with runners that are bent 120 degrees, then take a look at the 924 head and intake...
http://www.topplocksverkstan.se ... |
Topic: Valve spring upgrades |
gegge
Replies: 23
Views: 6982
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Forum: Performance Upgrades Posted: Sun Jun 26, 2022 8:48 pm Subject: Re: Valve spring upgrades |
What upgrade valve springs are out there for a n/a race engine?
Hmm, i wonder what springs Gegge have in his n/a build, he use to find stuff from all sort of car that fit, he isn't that frequent he ... |
Topic: Buying high perfomance custom rods&pistons-do you want s |
gegge
Replies: 15
Views: 6298
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Forum: Performance Upgrades Posted: Sat May 28, 2022 7:15 pm Subject: Buying high perfomance custom rods&pistons-do you want s |
IIRC my CR is 11,3:1 and 95 octan works, but with a wild cam. The duration effect is significant on actual CR. |
Topic: Major OT - need help |
gegge
Replies: 4
Views: 6542
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Forum: General Discussion Posted: Thu May 19, 2022 5:11 pm Subject: Major OT - need help |
Yes, you are right. Even a forend in plastic.... |
Topic: Major OT - need help |
gegge
Replies: 4
Views: 6542
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Forum: General Discussion Posted: Wed May 18, 2022 6:01 pm Subject: Major OT - need help |
Hi, I also have other interests than cars. One is hunting.
I need a synthetic forend to my old Beretta 390 and the only one I found is present on Ebay:
https://www.ebay.com/itm/124056448973
( ... |
Topic: Manual carrera gt |
gegge
Replies: 1
Views: 5213
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Forum: General Discussions Posted: Wed May 11, 2022 7:50 pm Subject: Re: Manual carrera gt |
Does anybody own a digital copy of the service information 924 carrera gt?
I belive I could provide such info. |
Topic: ARP flywheel bolts |
gegge
Replies: 12
Views: 7143
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Forum: Performance Upgrades Posted: Wed May 11, 2022 7:46 pm Subject: ARP flywheel bolts |
The crank is made of forged steel compared to the cast iron block. |
Topic: Adjustable Cam Gear |
gegge
Replies: 10
Views: 6312
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Forum: General Discussions Posted: Wed Apr 13, 2022 5:28 pm Subject: Adjustable Cam Gear |
Yes, same as Audi 5 cyl. |
Topic: Podcast about the 924 |
gegge
Replies: 6
Views: 5860
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Forum: General Discussions Posted: Mon Mar 21, 2022 4:09 am Subject: Podcast about the 924 |
It was LONG, I only had time for 15 min and waited for your explaination why you prefered the earlier cars pre ยด80. |
Topic: Aero talk |
gegge
Replies: 24
Views: 8131
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Forum: Performance Upgrades Posted: Wed Feb 16, 2022 6:58 pm Subject: Aero talk |
For a low Cd? Check out the 924 world record car...
https://www.youtube.com/watch?v=Il5uav5bj7I |
Topic: brand new stainless 931 turbo manifold !! |
gegge
Replies: 6
Views: 3579
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Forum: Performance Upgrades Posted: Tue Jan 11, 2022 10:00 pm Subject: brand new stainless 931 turbo manifold !! |
A simple log is far from "optimized design"
That is inferiour to the cast OEM manifold I am afraid. |
Topic: 931 engine N/A k-jet tuning???? |
gegge
Replies: 17
Views: 7998
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Forum: Performance Upgrades Posted: Fri Dec 03, 2021 8:33 pm Subject: 931 engine N/A k-jet tuning???? |
Try the Audi 5000 TB from the 5-cyl. Same bolt pattern and the rubber J-boot fits. The secondary is much larger. |
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