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Forced Induction Junkie
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Dave '85 930 Factory Special Wishes Flachbau Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P |
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01-31-2007, 05:52 AM
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A fellow Pelacanite
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Thanks for the answers !
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG. Fitting - New service kit. Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head. 1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods. Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit. http://www.danasoft.com/sig/Iamnotanumber.jpg |
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01-31-2007, 02:12 PM
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Twins are more fun!
Join Date: Dec 2005
Posts: 639
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What's a best core for the top mount intercoolers?
Bar & plate, or tube & fin? I've used bar & plate in front mount Japanese turbo's, but top mount IC's are different, due to the air flow characteristics at the rear of the engine 
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James Carrera TT (3.3, Protomotive MAP ECU, EFI, GT2 EVO CAMs, Twin Plugged, Twin Turbo's) |
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01-31-2007, 02:20 PM
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Registered User
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Bar & Plate Pros: More sizes available, better charge air flow, lower boost-pressure loss.
Tube & Fin Pros: Lighter, better cooling air flow, more efficient (due to increased turbulance) I think most of the custom intercoolers are bar & plate since plates can be stacked to build larger ones and they can be easily saw cut to make smaller ones. You can increase the efficiency of the bar & plate by using a larger core than required to slow the charge air so it has more time to cool. Of course that makes an already heavy intercooler that much heavier. Due to the location, I think tube & fin would work better. What do I have? Bar & plate.
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2014 Cayman S 2011 Cayenne Turbo 1979 930 (475 rwhp at 0.95 bar) |
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01-31-2007, 06:29 PM
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Registered User
Join Date: Mar 2002
Posts: 3,563
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LOL, I have a full bay bar & plate too... actually not that much heavier than my old tube & fin IC to be honest.
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition 
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01-31-2007, 07:02 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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Everything you wanted to know about bar/plate and fin/tube:
http://www.are.com.au/techtalk/intecoolersMR.htm#Bar%20and%20Plate%20or%20Tube%20 and%20Fin?
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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02-01-2007, 08:45 AM
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Registered User
Join Date: Mar 2002
Posts: 3,563
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Yeh I know the ARE mob very well... he made my very first IC and I put Juan and Mike Rombotis onto them also... they do some very high quality tanks and have put a lot of R&D into the air flow characteristics in their tank designs. I'd definitely use them again and highly recommend them to anyone. They owner, Richard, is very knowledgable and helpful. Top guy!
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
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02-01-2007, 01:43 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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My little test:
http://forums.pelicanparts.com/911-930-turbo-super-charging-forum/334467-intercooler-usage-street-test-results.html#post3147393
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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03-08-2007, 10:30 AM
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Registered User
Join Date: Apr 2004
Location: Bradenton, FL
Posts: 3,019
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Craig:
What kind of instrumentation did you use for this test? How is the temperature response time with this instrument? Thanks! Pat
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Patrick E. Keefe 78 SC |
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03-08-2007, 11:15 AM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,196
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Andial intercooler gauge - one right at inlet, one on collar into the intake manifold - both a permanent install .
Response is immediate & I verified the temps to be accurate beforehand
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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03-08-2007, 11:21 AM
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1985 Porsche 930 Fac. Slantnose 3.3l
1979 Porsche 930 3.4
