Originally Posted by Erica@NP call the shop Answer your pm's....I want my shirts. The NNBS injectors do flow more, don't know exact number but the do dump more fuel.
The Fleet... 2003 Suburban- 5.4 L59 331CI 10:5.1 Compression -Built by ME 2004 Avalanche- 5.7 LS1 -NOT built by me 2005 Silverado RCSB- 5.7 LS6 -Built by ME
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