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930 Full Bay IC measurements & end tank design?

Hello,

I am new to the forum and I have tried to search as well - so in case the answers (and most likely answers are here as these are quite generic questions) to my questions are there please bear with me..

To the questions:

1) Does it make a difference if the IC end tanks are located in the long side or short side of the IC? I have seen aftermarket full-bay IC's done both ways.

2) What is the 'biggest'*core - including end tanks of course - one can fit under 930 deck lid (no A/C and no rear wiper). Is 20" x 12" x 3 (50cm x 30cm x 7.5cm) close?

3) Are there any other design principles to follow in end tank design apart from keeping it smooth i.e. avoid sharp turns? The idea is to make a template out of hardwood and then hammerform end tanks against the template. TIG welding will be done by a pro welder buddy of mine. Any other ideas on how to make the end tanks?

Thanks for Your time!

Last edited by Sonder930; 02-04-2013 at 01:03 AM.. Reason: Typos...
Old 02-04-2013, 12:46 AM
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I would buy Kenne Bell's book about turbo charging. It has got some good info on the topic.
Old 02-04-2013, 02:31 PM
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TurboKraft Custom IC


Dim. 3" X 24" X12"
Area 864 cu/in
Flow 1227 cfm
Supports 701 HP




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Old 02-04-2013, 05:17 PM
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Thanks Cole!

I got the IC length about 4-inches wrong which is quite a bit...

Any input on the end tank location from anyone?
Old 02-04-2013, 10:05 PM
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My customized Blown6.......

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Old 02-05-2013, 01:12 AM
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My customized Blown6.......
Nice picture - is it possible to get the exact measurements?
Old 02-05-2013, 07:50 AM
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Here are some more infos on page 1 and 2.... 934/935 turbo SE, my street REPLICA....Story.......
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Old 02-05-2013, 01:04 PM
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Full width intercoolers

TurboKraft's "Medium" size full-width intercooler, 26x12x3" with sheet metal end tanks:






TurboKraft's largest wall-to-wall intercooler with billet inlet tank: 28x12x3.5"



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Old 02-08-2013, 10:40 AM
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Guy's

I can tell you from personal experience it just doesn't get any better than that !!!!

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Old 02-08-2013, 10:54 AM
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Quote:
Originally Posted by Sonder930 View Post
1) Does it make a difference if the IC end tanks are located in the long side or short side of the IC? I have seen aftermarket full-bay IC's done both ways.
This depends on the core manufacturer's design, how flow is optimized.
Everything else equal, there can be trade-off off in cooling vs. backpressure. Ex: sometimes cross-flow intercoolers have less flow but more cooling.




Yes, end tank design is important.
Maximum core size is determined by several factory, including end tank size, the available space inside your wing, fixed components on your engine (intake manifold type), etc.
CIS-injected engines usually have less space fore-aft, so intercoolers are not as deep. Ex: Garretson full-width, core measures 23x8x4".



Note: Garretson Ent. was very methodical in their initial core testing to find a 4" think core that had excellent heat dissipation in a 930. In our experience, not all 4" thick cores have the same efficiency. Therefore maximizing surface area over total core volume is generally preferred.
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Old 02-08-2013, 10:59 AM
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I just bought myself a new IC to be rebuilt .. but feel a little worried / disappointed that it feels a bit too small ... what do you think?

Old 02-26-2013, 07:54 AM
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It depends on how big that carpet, floorboards etc is.

Seriously, I think it is a little hard to tell without it being in its proper habitat.
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Old 02-26-2013, 10:44 AM
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Has anyone here ever use water to air intercooler in their 930?
Old 03-08-2013, 07:08 PM
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A friend of mine is going to..
Old 03-09-2013, 08:33 PM
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Quote:
Originally Posted by Pimpim View Post
I just bought myself a new IC to be rebuilt .. but feel a little worried / disappointed that it feels a bit too small ... what do you think?

Pim,
What were the dimensions of this IC, and did you mount it yet?
Old 03-15-2013, 06:30 AM
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Long hot path is undesirable because the added length adds very little additional cooling at the expense of increased pressure drop.
Short hot path with deep core PLUS high cooling flow pressure differential is best.
Spending top dollar for a aftermarket cooler then not using shrouding to force engine cooling fan air through the core is missing a major benefit of the air cooled turbo motor.
Old 03-15-2013, 07:40 AM
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Quote:
Originally Posted by baloo View Post
Pim,
What were the dimensions of this IC, and did you mount it yet?
Hi

No I have not installed it yet, you must move an intake hole backwards instead of downwards as it is now.

Width: 67cm
Cell Package: 500x300x76mm
Connections: 76mm (3 ")
Old 03-18-2013, 03:18 AM
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This is what my now modified IC looks like
Old 03-30-2013, 08:03 AM
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Originally Posted by Pimpim View Post
This is what my now modified IC looks like
Pim,
Did you mount your modified IC yet?
What are the dimensions?
It looks like an RX7 IC.
Any experiences to relay?
Thanks.
Old 07-31-2013, 08:53 AM
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Quote:
Long hot path is undesirable because the added length adds very little additional cooling at the expense of increased pressure drop.

Short hot path with deep core PLUS high cooling flow pressure differential is best.

Spending top dollar for a aftermarket cooler then not using shrouding to force engine cooling fan air through the core is missing a major benefit of the air cooled turbo motor.
According to what you're saying, my IC is all wrong. But on a 100 degree day flogging through all the gears only brings IAT up 10 degrees over ambient. Within 2 minutes, IAT's are back to ambient. Rinse and repeat. Recorded in my datalogs.

Maybe too it's because I run a 60-1 that is fairly large producing less heated air.
Old 08-01-2013, 08:13 AM
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