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Join Date: Aug 2006
Location: Cincinnati, Ohio
Posts: 1,019
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9284 Twin Turbo Conversion Videos
For those who are interested I have uploaded some videos of the 928S4 twin turbo conversion process. If you want to know what is involved or have specific questions, these videos will be a good place to start. At this point there are 5 videos with many more to come.
YouTube - HerrKuhn928's Channel Happy viewing... 
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Kuhn Performance Technologies, LLC Big Gun: 1988 928S4 Twin Turbo, 5-SPD/LSD 572 RWHP, 579 RW ft-lbs, 12 psig manifold pressure. Stock Internals, 93 octane. Little Gun: 1981 928 Competition Package Twin Turbo, 375 RWHP, 415 RW ft-lbs, 10psig manifold pressure. Nikasil Block, JE2618 Pistons, 93 octane. |
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10-11-2009, 09:07 AM
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Location: Cambridge, England
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Hi John
Managed to watch part 1 :-) Then I get "bad response from server" and I can't see the other parts..... |
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10-11-2009, 11:35 AM
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Very cool John. I'm still watching #2. I'll report back once I watch them all.
BTW, I can't read your charts even in HQ full screen mode.
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1984 928's w/ 5 speed Smoked Quartz Metalic 1982 928's Turbo w/ 5 Speed Platinum Metalic 1978 Euro Widebody w/ 5 speed Guards Red |
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10-11-2009, 03:49 PM
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Not sure on that feedback John. So long as you can get to youtube you should be fine.
421...Charts were mainly for me as this was on the fly in the middle of working on the car. I expect we will have at least another 10-15 videos before it is all said and done. My main goal is to be able to have people be able to go and watch the entire process, start to finish. I can hardly wait to saw open the front bumper cover 
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Kuhn Performance Technologies, LLC Big Gun: 1988 928S4 Twin Turbo, 5-SPD/LSD 572 RWHP, 579 RW ft-lbs, 12 psig manifold pressure. Stock Internals, 93 octane. Little Gun: 1981 928 Competition Package Twin Turbo, 375 RWHP, 415 RW ft-lbs, 10psig manifold pressure. Nikasil Block, JE2618 Pistons, 93 octane. |
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10-11-2009, 06:39 PM
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928 s4 twin turbo should easily hit 600hp 500 ft lb torque
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10-11-2009, 10:10 PM
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Quote:
Last edited by ptuomov; 10-13-2009 at 06:10 AM.. |
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10-13-2009, 06:02 AM
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If it were easy, girls would do it.
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1984 928's w/ 5 speed Smoked Quartz Metalic 1982 928's Turbo w/ 5 Speed Platinum Metalic 1978 Euro Widebody w/ 5 speed Guards Red |
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10-13-2009, 07:39 AM
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Location: From Italy to Del Rio, TX & Beyond
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Am downloading vids now....was looking forward to more news from your great project. Thank you for more progress with performance mods for our sharks!!
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Pat So. of the Rio Grande Long distance relationship w/my 88' S4 5-Speed Bi-Turbo Widebody In Work; Italy |
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10-15-2009, 05:00 AM
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Bump
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The beast 1984 928s twin turbo 5speed LSD/ 508.6RWHP 495RW ft lbs 12.5 psig manifold pressure, MS2 and EDIS-8 nikasil block JE 2618 pistons (TripleT). 2001 AUDI A6 4.2 chip 320 hp. 2002 CHEV Tahoe 4wd. 1971 sonett race car GT4 National Champion now GTL class car sold. The words of a Ford GT man. ( Damit i need to get some turbos) |
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11-30-2009, 05:57 PM
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I still amazed in the workmanship of those exhaust manifolds. So little room, so much power!
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Tony B 1982 Blk/Blk 5.0L Hybrid Blown 10 psi 500 HP |
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12-01-2009, 02:15 PM
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Location: Ft.Lauderdale, FLORIDA
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Herr Kuhn I've said it before- your work is second to none. One of these days when I can afford your work I'll have you turbocharge my 928!
I'll need to buy a tire store; right now, I barely get 5,000 miles out of a set of Falken RT-615's with my lightly-modified S2~ N! Last edited by Normy; 12-01-2009 at 03:06 PM.. |
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12-01-2009, 03:03 PM
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I was out at my brothers house not to long ago helping him on these manifolds. Alot of work and alot of detail work .
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The beast 1984 928s twin turbo 5speed LSD/ 508.6RWHP 495RW ft lbs 12.5 psig manifold pressure, MS2 and EDIS-8 nikasil block JE 2618 pistons (TripleT). 2001 AUDI A6 4.2 chip 320 hp. 2002 CHEV Tahoe 4wd. 1971 sonett race car GT4 National Champion now GTL class car sold. The words of a Ford GT man. ( Damit i need to get some turbos) |
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12-01-2009, 04:08 PM
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It looks like video #6 is now up. Keep them coming John. Great job.
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1984 928's w/ 5 speed Smoked Quartz Metalic 1982 928's Turbo w/ 5 Speed Platinum Metalic 1978 Euro Widebody w/ 5 speed Guards Red |
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12-01-2009, 04:08 PM
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