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2.5" charge pipe ok?

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Old 12-17-2009, 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?
Old 12-17-2009, 02:48 PM
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I'm sure it will be fine.
Old 12-17-2009, 02:51 PM
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Good to go I would say
Old 12-17-2009, 09:22 PM
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thanks
Old 12-17-2009, 09:29 PM
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.68 ar Kinda small for a 5.3........2.5 will support up to 950+
Old 12-17-2009, 10:21 PM
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what will the .68 max out at?
Old 12-17-2009, 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
Old 12-18-2009, 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.
Old 12-18-2009, 07:37 PM
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thats just the housing not the turbo.... A new turbo runs about 599
Old 12-19-2009, 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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