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Message: [QUOTE="superpsd, post: 1545595, member: 15821"] Well as long as it is a split shot truck the BIs should run ok. Dialing in a tune is going to have great effects on driveability and effeciency. Take SOI or timing. You advance timing, cylinder pressure increases, torque goes up and fuel effeciency goes up. EGTs go down which hurt spool. The reason they are not advanced so much from the factory is long term wear and tear and as cylinder pressure goes up temperature spikes and NOX production goes way up. Also increase in CP increases knock. You can run the BIs in split form but split shots have performance downsides. Reason why many go with single shots to replace splits and usually see slight fuel economy increases. Split shots also require more HPO. [/QUOTE]

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