R.E.D Posted May 16, 2020 Share Posted May 16, 2020 Hello fellas , can we start a tread for posterity for those wanting to retrofit their trucks with an engine brake..what are the best option and things needed in order to accomplish this task. I would like to start by posting this bulletin on the matter. Thanks RED PS: if the full bulletin is wanted it can be had free of charge from Mack emedia .just search for the bulletin number sb266017 1 Quote Link to comment Share on other sites More sharing options...
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