Join Date: Jan 2003
Location: San Diego, CA USA
Re: Mitchell’s Mechanical Labor Estimating Question
I actually work for Mitchell (the collision side) though not Mitchell1, which is owned by Snap-On, which publishes mechanical labor times.
There is a big difference between flat rate guides and Mitchell's times. Flat rate times do not take overlap into consideration. Overlap occurs if you need to remove one component that is behind the component you are getting at. This can create a double count of labor if the estimator does not manually deduct it (convenient not to) while Mitchell’s tools automatically deduct overlap from the repair times.
Furthermore, Mitchell's times are based on observation of the actual times it takes to perform the work by the shops while flat rate times are often based on warranty times. Warranty times are often negotiated times between dealers and the OE's and may not be reflective of the actual labor times to perform the work. (I did a Finance internship at GM in their warranty department, so I am familiar with how those are set as well).
Anyway, for better accuracy, I'd go with the Mitchell times over flat rate times if possible.
'69 RS Z28 Cortez Silver, Original Driveline, M22, 73K, Van Nuys Built, Chassis Broadcast Copy
'69 Chevelle SS396 4SP, Fathom Green, Original Engine
'06 GTO Brazen Orange, M6, 400HP LS2
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