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!

Single vs. twins Question

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Old 11-27-2008, 12:37 PM
  #16  
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I have a SPS62, DDP 90's TNT/R and make 605hp with EGT's NEVER getting over 1400*.

Dont let others tell you that the SPS62 cant handle power without heat. While running a Smarty my temps have NEVER been out of control.

My WG is currently set at 50 psi and I run 1:1 until 45 psi then at max boost I see 1.1:1, which is perfect.

It does spool a little slower than stock, but once you hit 10psi, it lights like no other. Twins are nice, but for the money the SPS62 is a much better option IMO.

If you decide that you want twins down the road, the SPS62 will make a great top turbo with a S480 under it.

I am very much a cheerleader for my SPS62, it has NEVER disappointed me in any way. I run it hard all the time, take it to the track, and numerous dyno runs, and it performs PERFECTLY every time, very predictable and efficient.
Old 11-27-2008, 10:06 PM
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Originally Posted by 2007 5.9
I have a SPS62, DDP 90's TNT/R and make 605hp with EGT's NEVER getting over 1400*.

Dont let others tell you that the SPS62 cant handle power without heat. While running a Smarty my temps have NEVER been out of control.

My WG is currently set at 50 psi and I run 1:1 until 45 psi then at max boost I see 1.1:1, which is perfect.

It does spool a little slower than stock, but once you hit 10psi, it lights like no other. Twins are nice, but for the money the SPS62 is a much better option IMO.

If you decide that you want twins down the road, the SPS62 will make a great top turbo with a S480 under it.

I am very much a cheerleader for my SPS62, it has NEVER disappointed me in any way. I run it hard all the time, take it to the track, and numerous dyno runs, and it performs PERFECTLY every time, very predictable and efficient.
Your sig shows well below 605hp. Also, try putting some weight behind the truck and then report back.
Old 11-27-2008, 10:52 PM
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Originally Posted by omaharam
Your sig shows well below 605hp. Also, try putting some weight behind the truck and then report back.
Havent updated sig in a while...sorry!!!

As far as weight is concerned, you right I dont have 10,000lbs to put behind my rig...but the 6K that I do tow, tows very well. As long as I stay on top of the lugging I can run 70mph up Donner Pass all day long and stay WELL below 1200*.
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