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The entire "Pedal operated butterfly valve" section appears to be unrelated excerpts from various sources (like this page: http://www.academia.edu/25323429/Synopsis). None of the information has cited sources, and I don't believe it adds anything to the page. It certainly doesn't describe any kind of exhaust brakes I'm familiar with. Growlerbearnz (talk) 09:01, 17 October 2017 (UTC)
I am wondering about the factual content of the "Pedal operated butterfly valve" section. I edited it to make it more cohesive, but as it was written it had the feel of a project that someone was working on and not something that is actually in use. A quick google search gave nothing. Does anyone have a working knowledge of exhaust breaks who can verify if this section is valid? Jonathan12456 (talk) 18:07, 10 May 2017 (UTC)
Anyone aware that today number of truck and engine manufacturers combine both the exhaust and compression brakes to work together , this design also improves the overall effectiveness and also reduce the noise from the compression brakes. The term engine brake is misleading as it can be applied to both exhaust and compression brakes repectively. Stonufka (talk) 13:51, 13 February 2008 (UTC)
Hi, I will be trying to edit some of the information in this article, by adding in quotations that clearly define exhaust brake and researching through scholarly articles to get an accurate depiction of them. Here is my sandbox of the article. https://en.wikipedia.org/wiki/User:Masinich/sandbox3 — Preceding unsigned comment added by Masinich (talk • contribs) 03:32, 9 March 2014 (UTC)