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Supercharger pushing boost back out MAF under part throttle?
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[QUOTE]Originally posted by 99gt-UJSTLST: [QB] [QUOTE]Originally posted by WIKD 281: [qb]When I am driving part throttle> the boost that will not enter the throttle body > will go back thru the bypass and then out the MAF> Making my car surge really bad. I have a Vortech S trim with aftercooler and a 3.1" pulley> I think its going to be around 12-15 psi. of boost with this forged internals motor> I have the AFM powerpipe. Has anyone made a plate that mounts inside of the powerpipe that directs air back towards the blower so the MAF will not get the (backsurge) of air? It does not happen under WOT and only when I am part throttle> I know for sure its not the fuel because I have monitored the fuel gauge closely. Thanks for any help :D [/qb][/QUOTE] hey was up I had the same problem with my NOVI2000 what I did was add another byepass valve to make it go away so I run 2 byepass valves now what happens is the smaller pulley creates more air pressure between the SC and the intake. the MAF reads correct air flow into the SC but what is happening your pushing to much air into the intake and the car has to add more fuel there for makeing the car idle more when you add anothere beypass valve you releave the pressure between the SC and the intake sure you are resurculating the air but you are not pushing any more air then you need what iam trying to say is you need anothere byepass valve and it should fix your proplem hey if you have any questions give me a call ill try to explain a little better javier 408-835-2689 [/QB][/QUOTE]
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