it is a S5 engine, stock injectors
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thanx ito, btw i tuned to 12.8 and that still seemed a little rich, but i wnated to drive home https://www.nopistons.com/forums/pub...IR#>/smile.png , i didnt wanna run any leaner this time, also onteh low end teh motor likes to run rich it seems going richer then mid 13s seems to loose power.
i am also conserned with the port and teh setup i have, i have seen numbers of 160 to wheels with the same setup as my car MINUS the porting. i really belive the intake manifolds are restrictign a lot of my power, if u look at teh 5k rpm range u can see that the motor wants to make more power but for some reason cant. i think this is the manifold problem, once ported the manifolds can not flow enouf to benefit the porting. i belive that if i swtich over to a shorter style manifold i will get MUCH more power at teh wheels. i am in process of designing my own manifold that will go between teh lower intake manifold and the stock throttle body. no more vdi, but stil keepign the 6 ports for low end. |
Looks good man.
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the stock upper intake is pretty good right? flows will, and has that variable intake thing, if you make another one, wouldn't it hurt the torque number?? the low end...?
i think the lower intake is more restrictive, the way it shrinks down and all the curves... But i do agree the whole intake system should be improved... the shorter runner will get a lot of peak hp advantage.. but the car might seem slower or has much less usable powerband. https://www.nopistons.com/forums/pub...IR#>/blink.png |
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