What size Charge pipes?

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05-22-2004, 09:42 PM

#11

street_kings

1.5 BAR

Join Date: Sep 2003

Posts: 660

Re:What size Charge pipes?

I just followed what my IC dimensions were. 2.25" in, 2.5" out. No point in running 3" to the IC, then have it pinched to 2.25".....

05-23-2004, 07:03 AM

#12

89dxhunchback

1.5 BAR

Join Date: Jan 2003

Posts: 1,115

Re:What size Charge pipes?

Quote:

Originally Posted by street_kings

I just followed what my IC dimensions were. 2.25" in, 2.5" out. No point in running 3" to the IC, then have it pinched to 2.25".....

True, that's why most people ( including myself recently) modify starion ICs b/c the inlets and outlets are only 1.5'' in and out.

05-23-2004, 03:55 PM

#13

Yianni

0.0 BAR

Join Date: Jan 2004

Posts: 42

Re:What size Charge pipes?

Quote:

Originally Posted by Dr.Boost

I don't see how 2 45's will work better than a 90. Wouldn't 2 45's equal a 90?

thats what i was thinking to

05-23-2004, 08:01 PM

#14

megatronmax

0.5 BAR

Join Date: Aug 2003

Posts: 68

Re:What size Charge pipes?

If I were you, I would run 2" from turbo to IC, 2.25" from IC to throttle. Period. You don't need 2.50" or over for that low boost.

05-23-2004, 08:14 PM

#15

stinky

0.0 BAR

Join Date: Mar 2004

Posts: 31

Re:What size Charge pipes?

Quote:

Originally Posted by Yianni

Quote:

Originally Posted by Dr.Boost

I don't see how 2 45's will work better than a 90. Wouldn't 2 45's equal a 90?

thats what i was thinking to

Because the bend radius is larger with 2 45's than a 90.The idea is to make any bend as gradual as possible.You guys are thinking geometry,not so in pre bent piping.The over all radius is the key.

05-23-2004, 08:16 PM

#16

Dr.Boost

3.0 BAR

Join Date: Mar 2003

Posts: 21,479

Re:What size Charge pipes?

If I were smarter I'd understand that.

I guess that makes more sense to me now. I don't know how much that would really affect air flow or performance though.

Mayeb if we were pushing like 400whp and every little tiny bit helped?

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05-23-2004, 09:28 PM

#17

Yianni

0.0 BAR

Join Date: Jan 2004

Posts: 42

Re:What size Charge pipes?

Quote:

Originally Posted by stinky

Quote:

Originally Posted by Yianni

Quote:

Originally Posted by Dr.Boost

I don't see how 2 45's will work better than a 90. Wouldn't 2 45's equal a 90?

thats what i was thinking to

Because the bend radius is larger with 2 45's than a 90.The idea is to make any bend as gradual as possible.You guys are thinking geometry,not so in pre bent piping.The over all radius is the key.

yeah but the air is gonna have to go throught two bends if its 2 45's,but if its one 90 it only has to go through one

J/K ur probably right for sum reason that i cant comprehend yet...

05-23-2004, 10:27 PM

#18

quadnie

3.0 BAR

Join Date: May 2003

Posts: 3,365

Re:What size Charge pipes?

Mandrel bent piping.

Why would you use a flat 90 degree bend? I'm trying to understand.

05-24-2004, 08:08 AM

#19

stinky

0.0 BAR

Join Date: Mar 2004

Posts: 31

Re:What size Charge pipes?

Quote:

Originally Posted by Dr.Boost

If I were smarter I'd understand that.

I guess that makes more sense to me now. I don't know how much that would really affect air flow or performance though.

Mayeb if we were pushing like 400whp and every little tiny bit helped?

It is a universal effect.Doesn't matter what horsepower u have.Its like turboingyour car and leaving on the stock exhaust.Restriction is restriction.All this info comes out of Corky Bell's book"Maximum Boost".It's all about efficiency.Why make the turbo work harder than it has to.If you do then you just get more heat not power