3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

which twins????

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Old 10-18-2007, 04:48 PM
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which twins????

i know i am about to poen a can of worms but what twins are the best for the money i have about five grand to spend. i have been looking at the bd's, the industrial injection on ebay but as i have seen not to many people run these kits. i have notice a bunch of you guys going through mpi what are his prices like? my problem id i dont want to grow out of the kit i get so thats why i am asking for your guy's help. thank you
Old 10-18-2007, 05:09 PM
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Nathan Wright from Idaho.
Old 10-18-2007, 05:14 PM
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nathans. i have had them for 2 weeks and love them!!!!!!! i have his towing twins
Old 10-18-2007, 05:19 PM
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if you dont mind me asking how much they set you back???
Old 10-18-2007, 06:34 PM
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Nathan @ MPI for sure. It sounds like you have more than enough cash. A stocker/S400 setup is a lot less than 5k.
Old 10-18-2007, 07:40 PM
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go with the bd twins a stock turbo will not last long at over 40 psi the bd twins are a proven high hp combo.
Old 10-18-2007, 07:46 PM
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Originally Posted by jfranklin
go with the bd twins a stock turbo will not last long at over 40 psi the bd twins are a proven high hp combo.
I think you're confusing a single stock turbo with a stock turbo run in a twins setup. At 40psi in a twins setup the stock turbo is only pushing about 20psi.

I thought the BD twins were proven to be too small for high HP applications?
Old 10-18-2007, 08:38 PM
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Originally Posted by THE 0NE
if you dont mind me asking how much they set you back???
secret squirrel stuff. shhhhhh

i bought them from camotanker, he upgraded to a larger set so i got a smokin deal
$2700..... for everything....
Old 10-18-2007, 09:48 PM
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I have the PDR towing twins; I like them just fine... I think you ought to go MPI too.
Old 10-18-2007, 09:50 PM
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Originally Posted by jrussell
I think you're confusing a single stock turbo with a stock turbo run in a twins setup. At 40psi in a twins setup the stock turbo is only pushing about 20psi.

I thought the BD twins were proven to be too small for high HP applications?
Well, I do know of one guy in town that has them and is pushing about 600hp with them... but the air is hot as
Old 10-18-2007, 10:10 PM
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Originally Posted by jfranklin
go with the bd twins a stock turbo will not last long at over 40 psi the bd twins are a proven high hp combo.
That's not true... I remember Nathan discussing this the stock turbo with the s400 is a larger set up that Bd's... Nathan's are a proven combo tooo!!!
Old 10-18-2007, 10:27 PM
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When i get the funds, I'll be going with Nathan's setup.
Old 10-19-2007, 01:11 AM
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We have two sets of twins for the 3rd gens now We have a towing setup that if you really ask around are going to be the best setup out there. They flow the amount of air that they were designed to flow. Sure the tow twins wont support 700hp they werent ever ENGINEERED to do so. The new R700 twins are using a S300/S400 and will support well over 700hp on fuel and still have great driveablility. We have absoloutly no issues with surge because of the engineering that has gone into them. And contrary to what some others have been saying when our towing twins are set up right and not being overspun the drive pressure ratio is about .85 to 1.
Old 10-19-2007, 09:20 AM
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You could do the A-3000 and A-5000, for under 5K, or you could do the New A-MST, from ATS, The price is 3550, and it comes with anything, and uses your stock turbo, 550 hp, with that setup, it sweet

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Old 10-19-2007, 10:31 AM
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Originally Posted by kantdrive55
We have two sets of twins for the 3rd gens now We have a towing setup that if you really ask around are going to be the best setup out there. They flow the amount of air that they were designed to flow. Sure the tow twins wont support 700hp they werent ever ENGINEERED to do so. The new R700 twins are using a S300/S400 and will support well over 700hp on fuel and still have great driveablility. We have absoloutly no issues with surge because of the engineering that has gone into them. And contrary to what some others have been saying when our towing twins are set up right and not being overspun the drive pressure ratio is about .85 to 1.
Hi Pat, when you say the drive pressure is .85 to 1, at what boost number would you say that was at? Not knocking the BD tow twins, just want to know what is the recommended boost level.


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