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Re: weren't all jetronic bank firing? Posted by Larry West [Email] (#1140) [Profile/Gallery] (more from Larry West) on Fri, 23 Oct 2009 20:45:36 In Reply to: weren't all jetronic bank firing?, saab86, Fri, 23 Oct 2009 03:30:38 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Not true...
For one, Bosch K-Jetronic, what we also call CIS, and was used on 8 valve injection systems for the Saab 99 & 900, is a continuous injection system. As long as air is flowing into the motor, ALL injectors are spraying. Worked quite well in the 70s and into the 80s and even 90s in cars as varied as the Saabs, BMWs, Volvos, DeLoreans, and even Porsches... Oh - and there ain't nothing " 'tronic" about the original K-Jetronic. Purely mechanical.
I don't think you can say, really, that sequential is "fairly recent", because many early mechanical injection schemes were based on Diesel engine injection, where you have a pump mechanically connected to the motor, and each cylinder gets its own bore in the pump.
But marrying electronics and sequential injection is a more recent advancement, probably someplace around 20 years...
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