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Can A Pod Filter (apexi) Reduce Boost?

adzR34

By adzR34,
in Engines & Forced Induction

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adzR34 Collaborator

adzR34

Posted
Posted

Hey people, just installed a Apexi power intake POD on my R34 GTT (stock) and it seems that on the factory boost gauage, it has a significantly lower maxium boost reading (previously read like 0.75, closer to 1+ but now it reads 0.5 on the boost guage). Strange the car is much louder and i dont think i can tell any difference in power loss, not sure. Could it be that the POD is sucking in hot air and loosing boost that way? its not boxed up yet but will be. What else you guys think it could be?

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antonio69er Collaborator

antonio69er

Posted
Posted

dont quote me on it but ive heard the factory boost gauges arent the most acurate, best to get an aftermarket one.. I doubt the pod filter would be reducing your boost and if you cant notice any drop in power id say its just your gauge reading wrong.. It could howver be that the pod filter is too small and cant suck enough air in but then im sure you would notice that

Dush Mentor

Dush

Posted
Posted
dont quote me on it but ive heard the factory boost gauges arent the most acurate, best to get an aftermarket one.. I doubt the pod filter would be reducing your boost and if you cant notice any drop in power id say its just your gauge reading wrong.. It could howver be that the pod filter is too small and cant suck enough air in but then im sure you would notice that

Spot On!

700HP-GTR33 Mentor

700HP-GTR33

Posted
Posted

Take it off and check to see if there is anything in the pipe.

Who did the installation?You or a mechanic?

I have heard some horror stories about rags getting sucked into the turbo and blocking the inter-cooler.

Not that this is whats happened....just trying to help....gauges just don't go when you install a pod filter.

Cheers

adzR34 Collaborator

adzR34

Posted
  • Author
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Yeh its kinda wierd, the boost does sit lower on the guage now, it was done by an import garage and it was an apexi made for the car.. Im just wondering without the POD being boxed up it might be sucking in much hotter air, could that lead to a drop in boost pressure?

Howie Grand Master

Howie

Posted
Posted
Hey people, just installed a Apexi power intake POD on my R34 GTT (stock) and it seems that on the factory boost gauage, it has a significantly lower maxium boost reading (previously read like 0.75, closer to 1+ but now it reads 0.5 on the boost guage). Strange the car is much louder and i dont think i can tell any difference in power loss, not sure. Could it be that the POD is sucking in hot air and loosing boost that way? its not boxed up yet but will be. What else you guys think it could be?

Have you noticed this under load ? The 34 like the 33 is limited to .5 bar until you hit 3500rpm. Goto fourth and kick back to third, then double check that it hits .7 bar. Generally speaking the 34 factory boost gauge is fairly accurate, when it does begin to play up you get an all or nothing reading. I've had a autometer boost gauge, blitz electronic boost gauge, and the factory boost gauge and they all are pretty accurate. Stan (satanic) also runs three boost gauges and finds the factory one pretty close to the mark on the 34's.

Also do a hard ecu reset in case it's your AFM playing up.

adzR34 Collaborator

adzR34

Posted
  • Author
Posted
Have you noticed this under load ? The 34 like the 33 is limited to .5 bar until you hit 3500rpm. Goto fourth and kick back to third, then double check that it hits .7 bar. Generally speaking the 34 factory boost gauge is fairly accurate, when it does begin to play up you get an all or nothing reading. I've had a autometer boost gauge, blitz electronic boost gauge, and the factory boost gauge and they all are pretty accurate. Stan (satanic) also runs three boost gauges and finds the factory one pretty close to the mark on the 34's.

Also do a hard ecu reset in case it's your AFM playing up.

Yea it does stay just above the 0.5 mark all the way to the red line.. the ecu has been reset aswell since the install

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