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magnum xt80 or s475/83 both in T4... which will flow more?

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Old 01-09-2013, 08:20 AM
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Ok, so the exducers on the BW turbine wheels are as follows:

83.47mm => 74.29mm exducer

87.37mm => 81.74mm exducer

92mm => ??? Can't find it

96mm => 88mm exducer
Old 01-09-2013, 09:00 AM
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Originally Posted by LS1FREEK
First of all:

BW S475/83: 83mm inducer/75mm exducer

Magnum: 88.9mm inducer/77.4mm exducer

Second of all CX racing makes the exact same turbo for half the price. Plus, at CX racing you have the option to get that turbo with a 76mm compressor! I just bought one lol! I'm not shittin you, it looks like they took magnums turbo and ground all the part numbers and logos off of it lol.

http://www.cxracing.com/mm5/merchant...ry_Code=TRBT35

Here's mine next to a TC 76/68 (notice the spots on the housings where they ground something off)









That is actually the one i ordered and still waiting for it. I knew it was the same thing so i figured why confuse everyone with a turbo they know nothing about. I could still cancel the order and run my BWs475 but i think Im just gonna run it
Old 01-09-2013, 12:06 PM
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Originally Posted by Tjabo
Ok, so the exducers on the BW turbine wheels are as follows:

83.47mm => 74.29mm exducer

87.37mm => 81.74mm exducer

92mm => ??? Can't find it

96mm => 88mm exducer
When I talked to Forced Inductions he told me the 92mm has an 83mm exducer
Old 01-09-2013, 02:44 PM
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Originally Posted by hellbents10
When did you call? my cell or work? I do not answer my cell when I do not have the number stored. Shoot me your number or call again.
Cakled the shop and left a message. Just wanted your opinion on something about Cal's motor.

Ill pm you about it.
Old 01-09-2013, 05:04 PM
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So my s472 with 83mm and T6 1.1ar is going to be too small for my L33?

Last edited by dean85gt; 01-09-2013 at 05:22 PM.
Old 01-09-2013, 05:06 PM
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Originally Posted by dean85gt
So my s472 with 83mm and T6 1.1 is going to be too small for my L33?
That turbo is fine for a 5.3.
Old 01-09-2013, 07:58 PM
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welp plans changed like always! sold the 475 for a pretty good price.

cxracing still hasnt shipped the turbo so i still have some time to weight out my options and now im looking at the Turbonetics 7875 .96 or 1.15 AR....

what do you guys think about the turbonetics 78/75 over the magnum 80mm?
Old 01-09-2013, 08:15 PM
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What are the prices of the Magnum, and crx turbo's?
Old 01-09-2013, 08:41 PM
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I believe the Magnum 80 is around $1200, I bought my cxracing 80mm for $529 shipped, then the next day they went up. I think they are $650-$700 now
Old 01-10-2013, 10:48 AM
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Originally Posted by slowlsx
welp plans changed like always! sold the 475 for a pretty good price.

cxracing still hasnt shipped the turbo so i still have some time to weight out my options and now im looking at the Turbonetics 7875 .96 or 1.15 AR....

what do you guys think about the turbonetics 78/75 over the magnum 80mm?
I like that 7875 1.15 AR, but honestly the turbine is no different than a S475/83 unit...you're getting the same dimensions either way.
Old 02-08-2013, 10:12 AM
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Originally Posted by o2camaross
I believe the Magnum 80 is around $1200, I bought my cxracing 80mm for $529 shipped, then the next day they went up. I think they are $650-$700 now
Any updates on your xt80? How much power you think your making at 15psi
Old 02-19-2013, 05:26 PM
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Originally Posted by o2camaross
Just saw Ren's post. We just swapped my old on3 out for this cxracing 80 and it is a beast. Like he said, it comes to life real quick with my TU1 5.3. With the old turbo my IDC was at 57% at 14.3psi, with the new turbo my IDC is a 67-68% at 12 psi lol. So it is moving some air! The downpipe flange is a regular 4" v-band and the compressor outlet is 3.5" v-band. I also knife edged the divider on the turbine housing.
Are you running a oil restricter?
Old 02-19-2013, 08:18 PM
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No oil restrictor, just straight -3an feed and -10 return. Ive only turned it up to 14psi and I have no doubt it's making 650 rwhp through a th400. I cant wait to upgrade to a 3 bar setup and see what it does past 15psi, just need to find the time
Old 02-19-2013, 09:01 PM
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Now im selling my tc78 for a cx racing 80. Anyone running it on hs kit?
Old 10-17-2013, 11:48 AM
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Any updates, anyone, on the Magnum XT80 or the CX 80? I'm considering one of these for my 4.8 1972 Camaro in lieu of twins...

Anyone care to share some results?
Old 10-19-2013, 10:07 PM
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Bumpity bump?
Old 10-20-2013, 06:53 PM
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On 13.5psi on pump gas in my 5.3 truck


15 psi and 12* on pump 93

Old 10-21-2013, 08:58 AM
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^^Holy Hell watch those gauges move. Huh you just threw a monkey wrench in my plan O2 lol.
Old 10-21-2013, 02:29 PM
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Haha, I can't wait to hit it with the meth and turn it up to 20+
Old 10-22-2013, 08:35 AM
  #60  
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I just picked up a Meth kit with Dual Nozzles for that reason.....should be an interesting formula for my 2900 lbs 240sx chassis if it can move your truck like that. OP thanks for this post def added a different variable into my build.


Quick Reply: magnum xt80 or s475/83 both in T4... which will flow more?



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