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What's this I hear........

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Old May 6, 2015 | 01:58 PM
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Default What's this I hear........
... about the TBSS/NNBS intake manifold? And is it worth the hassle on a DD 4.8/ 5.3 that sees 0- 4000rpm duty?
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Old May 6, 2015 | 03:07 PM
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No. .....
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Old May 6, 2015 | 04:22 PM
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im thinking on doing one to my truck eventually. should be good for 10hp on a 5.3l.

"how-to" 03-07c NBS TBSS/NNBS intake swap - Chevy Truck Forum | GMC Truck Forum - GmFullsize.com
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Old May 6, 2015 | 09:00 PM
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Cool link, very clear. Don't think I'll be doin' this I can't believe what I kick I've gotten from tweaking the tables I shouldn't, like a new drug! I haven't cooked anything yet...............
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Old May 6, 2015 | 11:51 PM
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It's already Proven not to be worth the effort without other mods.

Here are some links you might find helpful on the subject.

https://www.performancetrucks.net/fo...-gains-475657/

https://www.performancetrucks.net/fo...9-02-a-459296/

https://www.performancetrucks.net/fo...e-swap-514104/

https://www.performancetrucks.net/fo...-today-500762/
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Old May 7, 2015 | 09:17 AM
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Hmm- this is cause to reconsider............
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Old May 7, 2015 | 09:23 AM
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it seems like it wont do much to a truck with 706 heads but with the 243/799 heads i just put on it should work fine with the bigger intake.
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