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View Poll Results: twin tc76 f1 turbine t4 .9 a/r housing VS twin s400sx-75 ett 83mm turbine t4 1.10 hsg
tc76
66.67%
s400sx-75
33.33%
Multiple Choice Poll. Voters: 6. You may not vote on this poll

twin tc76's vs twin s400sx-75's

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Old 01-30-2012, 09:42 PM
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Default twin tc76's vs twin s400sx-75's

car: sn95 mustang
engine: 408" ls motor
trans: powerglide
power goal: 1300 wheel on e85

twin tc76 f1 turbine .96 a/r t4 housing OR twin s400sx-75 ett 83mm turbine t4 1.10 housing



lets hear it. I'd like forced inductions.com to chime in on this pleaseee. what will the spool difference be? what will the peak power difference be? etc etc etc etc...
Old 01-31-2012, 04:52 AM
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Neither for those power goals. BW has a new 67.8mm out that flows around 94 lbs / min, precision also has their 6766's that will easily support 1500 + hp. You can also get a pair of Garrett GT3794r (66.5mm) in a tial v-band housing that will damn near out spool anything for the amount of power it can make which is 90lbs / min (1800hp).

That new BW unit is one bad **** with a lot of new technology behind it, http://www.turbodriven.com/files/pdf...RTechPages.pdf

Last edited by Nitroused383; 01-31-2012 at 05:06 AM.
Old 01-31-2012, 09:43 AM
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Ok correction: 1300 wheel on E with room to grow lol. Thanks for your input and yes those choices would probably be the more efficient route, but I picked the choices I did bc they fit the budget (650-800 dollar range per turbo) and the plan was to go twin tc76's bc my buddy already has one of them, but I feel like twin s400sx-75's would be a better direction while at the same time saving a few bucks...
Old 01-31-2012, 09:47 AM
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Damn that new BW deal seems pretty wicked, any idea what they cost?
Old 01-31-2012, 09:56 AM
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Probably an arm and a leg...

Billet wheel? Ball bearing? Fancy turbine material? Built in BOV and wastegate? Yep, probably a few of these $$$$$.
Old 01-31-2012, 10:33 AM
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They are all $1300+ a turbo. We have used a couple BW EFR singles on some 4 cylinder builds and they are sweet, but pricey and hard to get the larger ones.
Old 01-31-2012, 10:41 AM
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Here are two much better options like Nitroused383 said....that 1.10 ar housing is WAY to big for a 408 even.

http://www.workturbochargers.com/pro...category_id=37
.88 AR I'd go with

Or FIX's S-300 66 with 71mm turbine or 73mm also 68mm turbine. .88 AR

http://www.forcedinductions.com/productsborgwarner.htm something in the SX3 category will be MORE than enough for 1200rwhp+ even.

Two of these would work well also...http://www.workturbochargers.com/pro...category_id=52
Old 02-01-2012, 10:05 AM
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The new 67mm S400 based charger is nasty indeed. The FMW "billet" wheel is quite nice and will make stupid amounts of power. Their is a cast version out now as well to keep cost down.....both make same power and will just about beat down any 67mm I've seen on the rollers.
Old 02-06-2012, 10:01 PM
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Originally Posted by DrTurbo
The new 67mm S400 based charger is nasty indeed. The FMW "billet" wheel is quite nice and will make stupid amounts of power. Their is a cast version out now as well to keep cost down.....both make same power and will just about beat down any 67mm I've seen on the rollers.
ok but for the combo described originally, if you had to go with two of either turbos in the poll, which would you choose?



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