dickandlois Report post Posted June 14, 2016 Some links to some information regarding the Vacuum plumbing for the old 454 engine and other links relative to maintenance of these chassis. http://workhorseservice.com/category/maintenance/ 454 - "V" Belt Layout Front Suspension Height http://workhorseservice.com/wp-content/uploads/2016/01/P-30-front-suspension-height.pdf A Guide to Brake Fluid Inspection & Testing http://workhorseservice.com/2015/11/why-change-brake-fluid/ Rich. Share this post Link to post Share on other sites