http://www.peachparts.com/shopforum/diesel-performance-tuning/290694-om603-semi-super-pump-testing-fitted-bosch-6-0mm-elements.html

i am VERY interested in using the 3.5L pump myself. read through and tell me what you think. not as many 3.5 pumps as the 3.0 pumps so not many care to play with them.

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83 300CD- sanden, dual p/f condensers, 160a alternator, ect
91 300TD- 722.6, #22 head, 3.5L IP, w140 manifolds, ect