joes mack Posted December 24, 2016 Share Posted December 24, 2016 we have got a cf engine that has a 350 and Allison auto. I have been working on the truck and fixed the engine brake now my question is how does it work with the auto Quote Link to comment Share on other sites More sharing options...
fjh Posted December 24, 2016 Share Posted December 24, 2016 What year Quote Link to comment Share on other sites More sharing options...
joes mack Posted December 24, 2016 Author Share Posted December 24, 2016 1986 how do they hold. do they stay in the same gear do they down shift I have no clue Quote Link to comment Share on other sites More sharing options...
fjh Posted December 24, 2016 Share Posted December 24, 2016 That year of engine would simply have a throttle and dash switch IS it dynatard or JAKE ? The original dynatard setup would work best for this it is normally activated by engine RPM! Gear down would be how ever the trany is regulated . Quote Link to comment Share on other sites More sharing options...
joes mack Posted December 24, 2016 Author Share Posted December 24, 2016 oh ok so if I want to get hold back I will have to manually down shift. Quote Link to comment Share on other sites More sharing options...
gearhead204 Posted January 1, 2017 Share Posted January 1, 2017 yes Quote Link to comment Share on other sites More sharing options...
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