bumpytruck Posted May 8, 2017 Share Posted May 8, 2017 I have and old dumptruck I'm trying to keep running. It dropped a valve and I replaced the piston and the head. The motor came set up with a Jacobs engine brake. It did not work. My parts motor had a Dynatard on it. I did not care if the engine brake worked or not, so I replaced the Jacobs with the dynatard components because it was a much simpler set up. Will this work? I don't care it the engine brake does not work, my concern is that the Dynatard system has a special camshaft that my motor with the Jake brake does not have. My question is... will the motor run properly like this? I understand I will not have a engine brake. Quote Link to comment https://www.bigmacktrucks.com/topic/49752-e6-2-valve-dynatard-jacob-brakes/ Share on other sites More sharing options...
ETAZ673 Posted May 17, 2017 Share Posted May 17, 2017 what are you going to do with the jake that you removed from the offending engine? I would be interested in it if you want to sell it. the engine should run ok with the Dynatard set up, not sure what valve lash specs you would use though Quote Link to comment https://www.bigmacktrucks.com/topic/49752-e6-2-valve-dynatard-jacob-brakes/#findComment-369985 Share on other sites More sharing options...
theakerstwo Posted May 17, 2017 Share Posted May 17, 2017 Same valve setting. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/49752-e6-2-valve-dynatard-jacob-brakes/#findComment-370001 Share on other sites More sharing options...
bumpytruck Posted June 1, 2017 Author Share Posted June 1, 2017 Thanks Guys Runs good Quote Link to comment https://www.bigmacktrucks.com/topic/49752-e6-2-valve-dynatard-jacob-brakes/#findComment-371178 Share on other sites More sharing options...
Timmyb Posted June 1, 2017 Share Posted June 1, 2017 Weren't the cams different for dynatard? Quote Link to comment https://www.bigmacktrucks.com/topic/49752-e6-2-valve-dynatard-jacob-brakes/#findComment-371181 Share on other sites More sharing options...
Orama Posted February 26, 2020 Share Posted February 26, 2020 16 mm & 24 mm Quote Link to comment https://www.bigmacktrucks.com/topic/49752-e6-2-valve-dynatard-jacob-brakes/#findComment-443738 Share on other sites More sharing options...
wilbur Posted February 26, 2020 Share Posted February 26, 2020 10 hours ago, Orama said: 16 mm & 24 mm that is wrong 0.016" & 0.024" Quote Link to comment https://www.bigmacktrucks.com/topic/49752-e6-2-valve-dynatard-jacob-brakes/#findComment-443763 Share on other sites More sharing options...
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