Forced Induction Superchargers | Turbochargers | Intercoolers

2.5" charge pipe ok?

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Old Dec 17, 2009 | 01:15 PM
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Default 2.5" charge pipe ok?

I'm doing a stock 5.3 with a t70 .68ar, NON-intercooled(water meth injection)

I have some leftover ss 2.5 bends and pipe and would like to know if this is ok to use. It will be about 2 feet total length to inlet.

Als planning to use 3" downpipe dumped behind front tire.

Will there be any restriction at 15psi? Or am I good to go?
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Old Dec 17, 2009 | 02:48 PM
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I'm sure it will be fine.
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Old Dec 17, 2009 | 02:51 PM
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Good to go I would say
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Old Dec 17, 2009 | 09:22 PM
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thanks
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Old Dec 17, 2009 | 09:29 PM
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.68 ar Kinda small for a 5.3........2.5 will support up to 950+
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Old Dec 17, 2009 | 10:21 PM
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what will the .68 max out at?
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Old Dec 17, 2009 | 11:31 PM
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Most guys run a 96. ar .... I know some guys run a .68 on a 4.8's and still make just over 500hp. You can always try it and if runs out of breath swap over to the 96. There like 130 from MP
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Old Dec 18, 2009 | 07:02 PM
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Originally Posted by TX RED
Most guys run a 96. ar .... I know some guys run a .68 on a 4.8's and still make just over 500hp. You can always try it and if runs out of breath swap over to the 96. There like 130 from MP
thanks for the info. didnt know they were that cheap.
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Old Dec 18, 2009 | 07:37 PM
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thats just the housing not the turbo.... A new turbo runs about 599
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Old Dec 19, 2009 | 11:13 AM
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ill have a bigger motor and bigger turbo and from my truck manifolds to turbo will be 2.5" in to a flowmaster y pipe, then 3" to a t4 flange
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