Product Description
Exergy E01-10107 60% Over Reman Injector I 01-04 GM 6.6L Duramax
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Set of 8 Exergy Reman 60% Over LB7 Injectors
Why Exergy?
With our background in OE development and manufacturing we bring a unique perspective to the high performance world. We know what features and specifications need to be to ensure proper function, we know how to produce them and how to verify they are correct. The verification process/equipment we use is very untypical of a standard diesel repair shop and allows us to look at many more system performance characteristics beyond average fuel output.
We test from idle to full power using factory calibration points and a few of our own points added for the high performance market. We can fully map injector sets and have done so for a number of customers who want to best utilize their stand alone ECU, or EFI Live capabilities.
We use equipment developed and used by Bosch for the design and development of diesel fuel systems (specifically common rail) and have the expertise on staff to properly operate and maintain this very sophisticated equipment. Some on our staff were part of the development of this equipment and common rail injectors when they were employed by Bosch. This equipment is not only able to measure injection quantity, but also shot-to-shot consistency and injection timing.
Based on the injector sets we have analyzed from others neither shot-to-shot consistency or injection timing is being controlled. In our opinion not only are these parameters not being controlled, they likely are not measured. They are making changes that bring the injectors output into calibration at a few low pressure test points, but in doing so they are unknowingly affecting the hydraulic response of the injector to the electrical drive signal. We have seen injection timing vary up to 3 crank degrees on freshly “remaned/blueprinted
” injectors within the same set.
When considering a high performance fuel system supplier be sure to ask if they provide test results from your injectors. Most performance injector sources measure output but how many are testing at full rail pressure? ...measuring shot-to-shot consistency? ...injection timing?
In summary, our “toolbox
” (i.e., system knowledge, test equipment, modification processes, supplier base, ...) is very extensive. Most of us have been in the diesel business in excess of 15 years and have worked on the design and development of diesel fuel systems both mechanically and electronically controlled for everything from ships to single cylinder utility engines.
