Turbo Lag and pipe size?, size matter? Options

[urbandork]

Does pipe from the turbo to the intercooler and finally to the TB affect how much turbo lag. What would be the optimal size pipe for a 5sfte with a ct26 twin entry running about 8 or 9 psi?

I was thinking 2 would 2.5 inch be to big?

also is it better to use alluminum or mild steel? I figure alu cus its lighter, but how does it conduct heat?

This post has been edited by urbandork: Mar 4, 2005 - 5:28 AM

[presure2]

your gonna wanna stay under 2.5....im planning 2 1/4.. i think itchy was using 2"..dont know if he still is..

[Supersprynt]

Distance has alot to do with lag, but the ct26 is fast spoolin its going to be pretty low no matter what, its not much of a concern with small turbos.

[sphinx]

Distance has alot to do with lag, but the ct26 is fast spoolin its going to be pretty low no matter what, its not much of a concern with small turbos.
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that's true. But i wouls still stick with under 2.5 like presure said. Mine is 2.25 (2 1/4)

[x_itchy_b_x]

yeah i got 2" and the shorte path the better.

[urbandork]

About path would less 90 degree bends be better or do bends not matter much just so long as its not an s shape (asking the air to turn back on its self)

[Supersprynt]

the less bends the better.

[urbandork]

the less bends the better.
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would the less sharp bends i.e. 90 degree bends help too? basically a straighter flow

[Supersprynt]

well yeah thats what i mean, the less bends, the less of a bend, the better.
Air always flows faster when everything is straight.

[urbandork]

coolios

[lagos]

i have 2.25 on mine....anything 2-2.25 is perfect for our cars and power goals

[urbandork]

what about material. alluminum is nice but is mild steel ok?

[sphinx]

they're both ok, the only difference is that you have less weight with alluminum