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Nov 6, 2004 | 04:16 PM

tsheriff

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From: US

More Boost

Is there anyway to get more boost out of these trucks. Im just barely hittin 30# now with the TS Instigator. Ive heard the VVT can handle up to 45#.

Nov 6, 2004 | 04:43 PM

IB Tim

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From: 3rd Rock

You do not want to go over about 34, there are other parts that cannot take anymore...like the inter-cooler, boost tube connectors…to name few

Nov 6, 2004 | 05:32 PM

tsheriff

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I think thats odd that the stock holset on a cummins can handle over 40 and we cant get more than 30.

Nov 6, 2004 | 05:48 PM

SpartanDieselTech

Former Vendor

Joined: Mar 2004

Posts: 4,362

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From: Hendersonville, NC

Quote:

Originally Posted by Tim Lamkin

You do not want to go over about 34, there are other parts that cannot take anymore...like the inter-cooler, boost tube connectors…to name few

Besides the intercooler, exceeding about 36 on the stock turbo will eventually wipe out the bearings from overspeed....

Nov 6, 2004 | 06:06 PM

Ben Alston

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my 2003 f-250 6.0l cc 4x4 will hit 30lbs of boost when changes into 3rd gear and going into 4th it dropes to 25lbs and shoots back up and pegs out hard. I have a 4" turbo back exhaust and max microtuner on level 3. I only have a 30lbs boost gauge but getting a bigger one.

Nov 7, 2004 | 08:54 AM

IB Tim

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From: 3rd Rock

Quote:

Originally Posted by tsheriff

I think thats odd that the stock holset on a cummins can handle over 40 and we cant get more than 30.

I probably lead you incorrect, it will handle more that 30 it will handle 35 but not for long or sustained periods of time....it just was not designed to do it...The Cummins designed theirs different....not good or bad right or wrong just different. Because one can handle more does not mean it is more powerful, the methodology to power building on the 6.0 is unique when compared to any other engine out there

Nov 7, 2004 | 10:05 AM

Daryl Hunter

Cargo Master

Joined: Jun 2003

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From: Carlsbad, California

With the SCMT on HP mode, my truck tops out at about 35 psi. It will do low 30s in the Econo mode and about 30 in the tow safe mode. Stock it maxed at 25.

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Nov 7, 2004 | 11:35 AM

IB Tim

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From: 3rd Rock

Tuff to be incorrect (wrong) when I did not state how to make power...Because one can handle more...My analogy was not about how to make HP it was the different methodology in each company