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mic mic is offline
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Which wing to install for my intercooler?

I am upgrading my motor on my 930 and i want the largest intercooler that can fit. The motor is a 3.8ltr with plastic intake which makes it a challenge compared to a 3.2 intake (this intake is about 1" above the fan).

What do you guys recommend for tail to give me the most room (preferably height, and some length extension) above my motor? I was looking at a RS3.8wing, but no-one can give me dimensions so i can compare.

What is the largest size core i can fit? (height is most restrictive).

Thanks,
mike.
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89 930 Cabrio , (soon to be for sale.)
Old 11-20-2006, 06:07 AM
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Wow... sounds like a very serious motor.
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Rob Montgomery
'88 Blk/Blk 930 ('Lucy') - Not Stock & Not Running
Old 11-20-2006, 01:35 PM
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Crotchety Old Bastard
 
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Mike, your car is a cab right? A huge wing might not look so good on a cab. You can trim the stock 930 wing to fit a pretty big cooler. I would try that first.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 11-20-2006, 06:30 PM
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Brian:
Yes, I agree with you on the possibily of going 'too big' on the wing for my CAB. That is one of my challenges. I am contemplating on getting a fibre wing and 'carve' it up. I am also comtemplating on having the I/C exposed out of a cutout in the wing (such as on a strosek wing).
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89 930 Cabrio , (soon to be for sale.)
Old 11-21-2006, 04:20 AM
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Maybe you should look for a Kremer / DP style wing. Couldn't find a pic on my machine but I know they were used to house the very large Kremer / DP intercoolers.
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'88 Blk/Blk 930 ('Lucy') - Not Stock & Not Running
Old 11-21-2006, 05:37 AM
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I have the MA Shaw GT2 Tail on my car and I have a custom fabbed IC that measures 11.5" depth X 28.5" width X 4.25" Core thickness. It fits with very little room to spare, in fact I am going to shave the top of the fan shroud by about .25" to get a little more clearance on the top side by the grill work.

Here's a couple pics.





Sorry I dont have a closer view from the outside of the grill to see the IC clearance better.

.................................................C
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77 930 "P Zilla" 3.2 Litre w / EFI conversion

Last edited by Gumba11; 12-01-2006 at 06:47 PM..
Old 12-01-2006, 06:26 PM
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Here is one that show the IC.

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77 930 "P Zilla" 3.2 Litre w / EFI conversion
Old 12-01-2006, 06:49 PM
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Mine is very similar, a GT2, but I beleive it would overpower a cabriolet in appearance. You can fit a monster cooler under there though.

Is there no way to have a custom intercooler made for your existing tail? Your car has a very tastefull look that might be spoiled by a "race car" tail.

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'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
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Old 12-01-2006, 08:25 PM
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Getty makes a "small" GT2 wing though when I ask about it they were vague (surely to avoid being held responsible) on what would fit. Isn't there a tail with similar profile yet small side sails and no biplane and no ducts? I think something like that would work well in you applicatioin. I'm scared like Brian that a biplane might overpower the Cab when the tops down.

I still love the original 930 wing best, but strangely the factory didn't leave much room for a large IC!

Mic, I don't think exposed IC should be ruled out vs. a TOO big wing. Does anyone know what that does for the air flow? I would think little to decrease downforce yet probably increase the drag sign. at speed. I loved the look of the 914 turbo that was in Excellence a year or two back in black with its exposed IC.

Very nice Chris. Is it blue or turquise?
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Luke S.
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Old 12-02-2006, 09:11 PM
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Factory Porsche color from 74 and 75 called Mexico Blue. I love it! Thank you for the kind words.

.................................................. C
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77 930 "P Zilla" 3.2 Litre w / EFI conversion
Old 12-02-2006, 09:19 PM
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I thought it might be, but on my monitor one of the pictures looked different and was curious of which was more accurate. Mexico is right up their with Signal and Viper for the early cars.

Man, was my spelling scary at 2am.
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Luke S.
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Old 12-03-2006, 09:58 AM
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Thanks guys...

Currently, it looks like the 4" core I/C that i have is not going to work without some form of modifications.
Chris: from your configuration, it appears that i will definately have trouble because my highest point on the motor is the intake (about 1" higher than the top of the fan) not the fan. I am highly considering in trading my plastic intake for an alum. one then having it shortened (will mess up the torque slightly, but at least the motor will fit.).

From my measurements, it appears that the top of my I/C will sit almost flush with the lower lip of the deck lid opening (front of motor).
From the pics of your GT2 wings, there is a slope towards the back of the car in regards to the top of the wing. I think i can tilt my I/C but it is going to be close.

Other thoughts is to get a 993 based wing (with removable grill) and raise the grill slightly.

I agree with all of you that a tall GT2 bi-wing might be too tall on a cabrio. I am considering a strosek type wing with a raised grill.



thanks,
mike.
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Last edited by mic; 12-03-2006 at 01:02 PM..
Old 12-03-2006, 12:57 PM
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Why not try a 3'' core? Pulling air through a thinner core might even help cooling?
Old 12-04-2006, 05:32 PM
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A 3" core is my backup plan but i would need a wider/longer configuration to gain back the pressure and cooling efficency of a 3" core.
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Old 12-04-2006, 06:06 PM
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Has any one tried any of these I/Cs...

or


both 3" cores.
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89 930 Cabrio , (soon to be for sale.)
Old 12-04-2006, 06:14 PM
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