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all you BW guys, what would you put on a 4.8?

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Old 08-24-2013, 10:28 PM
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Default all you BW guys, what would you put on a 4.8?

fbody, stock 4.8, th400, ls6 intake/cam, pac springs, 3000 stall, mainly street cruiser, 3.42 gears for now, got a t6 hotside, so needs to be on a t6 frame, front mount, thoughts?
Old 08-24-2013, 10:39 PM
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s472 t4
Old 08-24-2013, 11:14 PM
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Originally Posted by Quickfrc
s472 t4
He specifically said t6 turbo, going t4 would cause another $200

With that said I woukd run tye same s472/83 which is $650 althought if you want room to grow go with the s475/83 which is the same price! Spool difference wont be much different and if you ever want a quicker spool and more power you can always run a more turbo oriented camshaft.
Old 08-24-2013, 11:30 PM
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s475.
Old 08-25-2013, 01:30 AM
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Originally Posted by slowlsx
He specifically said t6 turbo, going t4 would cause another $200

With that said I woukd run tye same s472/83 which is $650 althought if you want room to grow go with the s475/83 which is the same price! Spool difference wont be much different and if you ever want a quicker spool and more power you can always run a more turbo oriented camshaft.

Whoops. Didn't read that far. T6 is too big for that motor IMO. I have a 6.0 and wish I went T4.
Old 08-25-2013, 10:18 AM
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Originally Posted by robsquikz28
s475.
x2^ People have had good results with these T6 turbos on 4.8s at low boost.
Old 08-25-2013, 11:39 AM
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S475 with a 83mm turbine and 1.10 A/R housing, if its a street car/truck. Foose04' s RCSB made over 900 rwhp with one last year with a 4.8, TU1 cam, truck manifold and E85 and it was very responsive.

Maybe DrTurbo will chime in. The 96mm turbine is a little on the big side for a street driven 4.8 but would work good at the track with a 2 step though.

Not sure but I think the 650 dollar unit has the 96mm turbine, it cost a little extra to get the different turbine and smaller A/R housing's.
Old 08-25-2013, 11:49 AM
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Originally Posted by Preston99WS6
S475 with a 83mm turbine and 1.10 A/R housing, if its a street car/truck. Foose04' s RCSB made over 900 rwhp with one last year with a 4.8, TU1 cam, truck manifold and E85 and it was very responsive.

Maybe DrTurbo will chime in. The 96mm turbine is a little on the big side for a street driven 4.8 but would work good at the track with a 2 step though.

Not sure but I think the 650 dollar unit has the 96mm turbine, it cost a little extra to get the different turbine and smaller A/R housing's.
Negative, same price... just bought one.
Old 08-25-2013, 05:15 PM
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Originally Posted by slowlsx
Negative, same price... just bought one.
Who sells them for 650 with that turbine?
Old 08-25-2013, 05:40 PM
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http://forcedinductions.com/productsborgwarner.htm

Got mine from HS. There are two listed, one is 649 the ither is 699 same specs.
Originally Posted by Preston99WS6
Who sells them for 650 with that turbine?
Old 08-25-2013, 10:20 PM
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so I'm hearing the .83 turbine and the 1.10 a/r to get started?
Old 08-26-2013, 12:26 AM
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S475/83, 1.0 T4 with port match would be my pick but there are .90-1.0 T6 housings out now as well.



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