Forced Induction Superchargers | Turbochargers | Intercoolers

Intercooler plumbing

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Old Aug 11, 2005 | 04:20 PM
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Default Intercooler plumbing

Do the number of bends as well as their degree have any potential in hurting boost numbers?

I.e. If I make a short 90', straight short 90' out of the pressure side of the F-1 Blower into the intercooler; followed by a 180' out of the pressure side of the intercooler to the center of the engine bay 90' up to the top, with one additional 90' into the MAF and throttle body OR sending a 90' out of the pressure side of the intercooler to a 90' up through the battery compartment, another 90' towards the engine followed by one last 90' into the MAF/throttle body

All Mandrel bends ofcourse, with just about the same distance from the intercooler to the throttle body just routed differently???
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Old Aug 11, 2005 | 04:45 PM
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i think the 180 will hurt the most but, Yes it will hurt boost to have too many bends. That is something i have to work on too.

Dan
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Old Aug 11, 2005 | 05:04 PM
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Well it will hurt your airflow by creating drag. You will be flowing less air... I've seen it documented ("Maximum Boost" by Corky Bell) that every 90 degree turn results in a 1% flow loss. Buy and read the book... lots of good info!

Originally Posted by APD*98SS
Do the number of bends as well as their degree have any potential in hurting boost numbers?

I.e. If I make a short 90', straight short 90' out of the pressure side of the F-1 Blower into the intercooler; followed by a 180' out of the pressure side of the intercooler to the center of the engine bay 90' up to the top, with one additional 90' into the MAF and throttle body OR sending a 90' out of the pressure side of the intercooler to a 90' up through the battery compartment, another 90' towards the engine followed by one last 90' into the MAF/throttle body

All Mandrel bends ofcourse, with just about the same distance from the intercooler to the throttle body just routed differently???
Reply
Old Aug 11, 2005 | 05:12 PM
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Yes it will make a difference, thats why most of the factory turbo setups that you see dont have too many bends in the intake tract. They tend to keep as much as possible as simple as possible. I think this may be a function of engineers designing the systems instead of fabricators.

Nothing against metal workers or fabbers, they make great products at half the cost. Its just that engineers usually either over complicate things or over simplify.

Take the GN, the turbo dumps basically into the intercooler, and the 90* bend is made inside the intercooler(using the core and endtanks not acutally a bend) and then that goes up into the intake, really only 2 bends to speak of if memory serves.

its going to hurt, however in our cars there really is no way around the snaking of pipe through where ever you can fit it.
ed
firebird455@gmail.com
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Old Aug 11, 2005 | 08:33 PM
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Originally Posted by 69firebird
Yes it will make a difference, thats why most of the factory turbo setups that you see dont have too many bends in the intake tract. They tend to keep as much as possible as simple as possible. I think this may be a function of engineers designing the systems instead of fabricators.firebird455@gmail.com
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Old Aug 11, 2005 | 08:59 PM
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O.K., then what is theoretically the best way to plumb an LS1 Camaro with a side in/out front mount intercooler, specifically the big boy Griffin LS1 speed model???
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Old Aug 12, 2005 | 12:19 AM
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Well first you want the tight radius bends to be as minimal as possible. It will hurt flow a touch, but since its pressurized its not a lot. As for intercooler, if your going to run a horziontal flow IC don't make the mistake of running the inlet and outlet pipe facing each other. Flip one of the endtanks over. You want to use the full core not just a portion of it.

Jose
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Old Aug 12, 2005 | 08:47 AM
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True that on the bends and the intercooler as well!

Originally Posted by JZ 97 SS 1500
Well first you want the tight radius bends to be as minimal as possible. It will hurt flow a touch, but since its pressurized its not a lot. As for intercooler, if your going to run a horziontal flow IC don't make the mistake of running the inlet and outlet pipe facing each other. Flip one of the endtanks over. You want to use the full core not just a portion of it.

Jose
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Old Aug 12, 2005 | 06:10 PM
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anyone else have any input for me???
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Old Aug 12, 2005 | 08:06 PM
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for real, buy "Maximum Boost" by Corky Bell and read it. He has lots of input! Best $20 you will spend on your turbo setup.

Originally Posted by APD*98SS
anyone else have any input for me???
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