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Chris,
My bad, I realized I had some of the numbers backwards after I posted, but I figured most folks would figure it out. One of the Garrett turbo's I considered was a GTX7635R, which may have performed well with my 3.0L engine. I had a GT3583R installed, but the low end response was too laggy for my 3.0L low compression motor.
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-Dennis 1977 930 Slant, MS3 EFI, Carrera intake, Twin plug, Powerhaus headers, Magnaflow muffler, Garretson intercooler, GTX3071R |
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06-01-2016, 01:32 PM
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Join Date: Jan 2009
Location: Highlands, North Carolina
Posts: 2,178
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There are only a few people who have tested many of these turbos back to back with a dyno...
Internet experts with unfounded opinions are everywhere...... Sad
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1965 911 Vin 1249 Slate Grey 1969 911 Golden Green 2.0 Twin Plug 1971 911 S Gold Metallic. Peter Gregg 1974 911 RS Euro Metallic Blue Gold lettering 1991 Brumos 3.6 Turbo Pikes Peak Zwart Motor |
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06-01-2016, 05:24 PM
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Join Date: May 2003
Location: Woodlands TX
Posts: 3,960
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Loving this video series! I watched a few episodes last night and I am thinking about ditching work early to watch a few more.
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84 930 07 Exige S |
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06-02-2016, 10:36 AM
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I demand the next video damn it.
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Ken 1986 930 2016 R1200RS |
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06-08-2016, 05:53 PM
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After my bad experience with my last Turbocharger i need a new one.
I`m looking forward for the results / difference GTX30 vs GTX35. Also have 3.4 with alot of goodies. Just want now how the GTX30 run to reedline.
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87 930 3.4, BW EFR 7670, TK Long Neck IC, Fabspeed Headers, 964 NW`s, Ported Heads, Tial F46 (0.4Bar Spring), Turbosmart EBC, BL WUR with rpm switch /solenoid, SDS CPI Ignition, modified Muffler, and many other little mods |
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06-09-2016, 01:31 AM
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Work in Progress
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Ask and Ye shall receive! I do have to say this series really has me running a fever, and the only cure is EFI.
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"The reason most people give up is because they look at how far they have to go, not how far they have come." -Bruce Anderson via FB -Marine Blue '87 930 Last edited by Rich76_911s; 06-09-2016 at 05:37 AM.. |
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06-09-2016, 05:05 AM
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Location: Woodlands TX
Posts: 3,960
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Quote:
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84 930 07 Exige S |
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06-09-2016, 06:33 AM
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👍do you have a rpm/boost graph?!
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87 930 3.4, BW EFR 7670, TK Long Neck IC, Fabspeed Headers, 964 NW`s, Ported Heads, Tial F46 (0.4Bar Spring), Turbosmart EBC, BL WUR with rpm switch /solenoid, SDS CPI Ignition, modified Muffler, and many other little mods |
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06-09-2016, 06:54 AM
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Join Date: Nov 2002
Location: Los Angeles
Posts: 2,571
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What's with the heavy dip in the curve at 47/4800?
Did I hear you say it's "fuel pressure noise?" 
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06-09-2016, 07:14 AM
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Brando
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Nice.
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Turbo powa! 1977 911s. it's cool |
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06-09-2016, 11:40 AM
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Join Date: Mar 2005
Location: Phoenix, AZ
Posts: 2,857
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Quote:
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Chris Carroll TurboKraft, Inc. Tel. 480.969.0911 email: info@turbokraft.com http://www.facebook.com/TurboKraft - http://www.instagram.com/TurboKraft |
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06-10-2016, 04:10 PM
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Location: Los Angeles
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Quote:
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06-10-2016, 05:45 PM
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930T Owner
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- Chris
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Hams930T 2017 Turbo S |
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06-10-2016, 07:06 PM
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Deeply the test with the GT35!
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06-10-2016, 10:23 PM
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River Rat
Join Date: Dec 2005
Location: 1000 Islands NY
Posts: 404
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Nice build Pete, who did the head work on the motor?
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1986 930 - K27-7200, Andial Intercooler, Tial Wastegate, Electronic Boost Controller, B&B headers, Bodart Zork, Leask Adjustable WUR, Full Elephant Racing Suspension w/Adustable Spring Plates and Von Shocks, Wevo Transmission Mounts, Fuel Safe Fuel Cell, Forgelines (9"/11"), Hargett Shifter, Innovate AFR, Cobra CF Seats, DAS Rollbar, Coleman Floating Rotors, Lightweight Interior, Forgeline 17" x 9"/11", 2800 lbs. |
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06-11-2016, 12:27 PM
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Join Date: Dec 2014
Posts: 33
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Why not drive it on the street?
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06-12-2016, 02:29 AM
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Turbofrog
Join Date: Aug 2009
Location: Europe
Posts: 1,677
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Not safe at those speeds obviously. You know how long third gear is?
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************************************************** ******************************* 10/78 930: HX40Super, MS3pro+IDX1050+044+E85, ITB, 12 Denso COPs, TrueSplit-BB/2*38WGs, Weight<1100kg |
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06-12-2016, 02:35 AM
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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,141
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Quote:
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06-12-2016, 03:24 AM
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RPM Boost curve
I have evaluated the video (hope i have see all right) rpm boost pressure build.
GTX 3076R 2000 rpm 0.14 bar 2500 rpm 0.29 bar 2750 rpm 0.41 bar 3000 rpm 0.62 bar 3250 rpm 0.76 bar 3500 rpm 0.85 bar 3750 rpm 0.95 bar 4000 rpm 0.96 bar between 4000 and 5500 rpm over 14 psi (0.96 bar) after that drop to 0.94 bar till 6500 rpm I made a comparison between the GTX 3076R and my K27/29 My Data are from my Dynotest (4gear with 98oct) GTX 3076R K27/29 2000 rpm 0.14 bar 0.10 bar 2500 rpm 0.29 bar 0.20 bar 2750 rpm 0.41 bar 0.30 bar 3000 rpm 0.62 bar 0.40 bar 3250 rpm 0.76 bar 0.50 bar 3500 rpm 0.85 bar 0.77 bar 3750 rpm 0.95 bar 0.90 bar 4000 rpm 0.96 bar 1.00 bar (between 4000 till 7200 rpm drop to 0.94 restrective muffler)
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87 930 3.4, BW EFR 7670, TK Long Neck IC, Fabspeed Headers, 964 NW`s, Ported Heads, Tial F46 (0.4Bar Spring), Turbosmart EBC, BL WUR with rpm switch /solenoid, SDS CPI Ignition, modified Muffler, and many other little mods |
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06-12-2016, 07:45 AM
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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,141
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Deleted
Last edited by Tippy; 06-12-2016 at 07:59 AM.. |
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06-12-2016, 07:50 AM
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911 Turbo
Porsche 911 / 930 Turbo
Audi Porsche RS2
Porsche Cayenne
Bruiser
hoonkraft
Robbie
Norman
930
