Ralph Wiggum Moar Powar Babeh Lifetime Members 19,331 Member For: 19y 5m 14d Gender: Male Location: Perth Posted 18/12/12 06:44 AM Share Posted 18/12/12 06:44 AM do two disagreements cancel each other out and become an agreement? and vice versa?also I didnt say back pressure was required J@ did......that we can disagree to agree about our disagreeable agreement yes? Link to comment Share on other sites More sharing options...
Never had any say Panda I <3 Floods Silver Donating Members 11,198 Member For: 13y 7m 8d Gender: Male Location: South West QLD Posted 18/12/12 06:44 AM Share Posted 18/12/12 06:44 AM (edited) Back pressure in automotive (four-stroke engine) exhaustBack pressure caused by the exhaust system (consisting of the exhaust manifold, catalytic converter, muffler and connecting pipes) of an automotive four-stroke engine has a negative effect on engine efficiency resulting in a decrease of power output that must be compensated by increasing fuel consumption. [edit]Back pressure in two-stroke engine exhaustIn a two-stroke engine however, a certain amount of exhaust back pressure is needed to prevent unburned fuel/air mixture from passing right through the cylinders into the exhaust. [edit]Back pressure in information technologyThe term is also used analogously in the field of information technology to describe the build-up of data behind an I/O switch if the buffers are full and incapable of receiving any more data; the transmitting device halts the sending of data packets until the buffers have been emptied and are once more capable of storing information. It also refers to an algorithm for routing data according to congestion gradients (see Backpressure Routing).[2] [3](WIKIPEDIA, 2012, http://en.wikipedia....ki/Backpressure) Edited 18/12/12 06:44 AM by Sharp Dressed Panda Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 9m 6d Gender: Male Location: Adelaide Posted 18/12/12 06:53 AM Share Posted 18/12/12 06:53 AM Oh dear lol Do we need backpressure or do we need velocity and low pressure pockets to help with valve overlap ???I know nothing Link to comment Share on other sites More sharing options...
XYZ Donating Members 1,171 Member For: 15y 5m 20d Posted 18/12/12 07:42 AM Share Posted 18/12/12 07:42 AM Diff bush 1 Link to comment Share on other sites More sharing options...
XYZ Donating Members 1,171 Member For: 15y 5m 20d Posted 18/12/12 07:53 AM Share Posted 18/12/12 07:53 AM Think people just like saying thermal velocity in a sentence... Not as cool as back pressure.. 1 Link to comment Share on other sites More sharing options...
Never had any say Panda I <3 Floods Silver Donating Members 11,198 Member For: 13y 7m 8d Gender: Male Location: South West QLD Posted 18/12/12 07:54 AM Share Posted 18/12/12 07:54 AM I thermal'd my wife's velocity..Caused a bit of back pressure..Now she's preggers.. 3 Link to comment Share on other sites More sharing options...
Mrs Jeturbo Bob the Freaking Builder Donating Members 10,813 Member For: 15y 5m 24d Gender: Female Location: SA Posted 18/12/12 07:58 AM Share Posted 18/12/12 07:58 AM hahaha is that how it works!!! ??? omg that's funny Link to comment Share on other sites More sharing options...
Kroozin Menace Donating Members 1,990 Member For: 13y 10m 16d Gender: Male Location: Sydney Posted 18/12/12 09:07 AM Share Posted 18/12/12 09:07 AM oh dearevery thread seems to get raped these days 1 Link to comment Share on other sites More sharing options...
Impellor Member 835 Member For: 14y 7m 17d Gender: Not Telling Posted 18/12/12 10:07 AM Share Posted 18/12/12 10:07 AM http://www.thumpertalk.com/topic/571594-exhaust-backpressure-the-myth/ Link to comment Share on other sites More sharing options...
Bomber Carnage on the Garage Floor Donating Members 3,994 Member For: 14y 9m 26d Gender: Male Location: Gold Coast Posted 18/12/12 10:15 AM Share Posted 18/12/12 10:15 AM I've had both the 2.5" twin x-force in mild and s/s. The mild was pretty average quality wise with ordinary finish on the y merge section etc but the s/s was much better made. They grind out all the internal dags on the s/s version. Link to comment Share on other sites More sharing options...
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