RedBurb
OBS Enthusiast
For the record I completed this injector swap out job in 4.5 hours which included changing the pressure regulator. It was an easy and straight forward job.
Results ---the engine feels much more responsive, has a smoother idle, and ever more importantly, I've picked up approximately 2.4 miles per gallon over the last 300 miles (now 13.5 mpg, 95% freeway miles, cruise control set @ 65mph). If this bump in fuel economy holds true over the next + hundreds of miles the job will have been totally worth the effort. I also learned a lot about properly installing a new dizzy (notes on thread, "L29 Accel Distributor 59132 ---Tight Fit").
For those who run the 5.7L, this mpg for a 7.4L is not too shabby considering the truck's heft ---loaded with towing tools + gear my K2500 Suburban typically weighs 6800-6950 lbs.
Results ---the engine feels much more responsive, has a smoother idle, and ever more importantly, I've picked up approximately 2.4 miles per gallon over the last 300 miles (now 13.5 mpg, 95% freeway miles, cruise control set @ 65mph). If this bump in fuel economy holds true over the next + hundreds of miles the job will have been totally worth the effort. I also learned a lot about properly installing a new dizzy (notes on thread, "L29 Accel Distributor 59132 ---Tight Fit").
For those who run the 5.7L, this mpg for a 7.4L is not too shabby considering the truck's heft ---loaded with towing tools + gear my K2500 Suburban typically weighs 6800-6950 lbs.
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