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1989-1993 Cummins® Performance Tips Follow these links to good articles or you tube videos on fuel pin adjustments/replacements, smoke screw adjustments etc. https://www.youtube.com/watch … read more

For starters, turbo charged diesels are fairly simple in that they follow a general rule of thumb when it comes to performance: More Air + More fuel = More power. This is always true, but whe … read more