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-   -   Itb's and runner length (https://rotarycarclub.com/showthread.php?t=15684)

Pettersen 04-14-2012 05:04 AM

Itb's and runner length
 
So not to far away from starting building the intake manifold for my semi pp engine, so have anyone done any reasearch into wich length is best for wich rpm's? And proven it with dyno runs?

I was thinking something like this:
http://forums.neons.org/viewtopic.php?t=294784

Raksj04 04-14-2012 06:52 AM

I would just use the variable intake runners that mazda used on the 787B. There is a good ASE paper on the engine. At least shows bits of the power curve with the different runner lennths.

http://www.rotaryeng.net/Mazda_R26B_US.pdf

Pettersen 04-14-2012 06:59 AM

Thanks.


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