Air box trumpet with or without?
I've just been told by a mate that the trumpet inside the air box 'improves the air flow'.
So far according several opinions I thought that reducing the entrance diameter it was only a restriction.
So far I assume that it's the ECU which does the mix, i.e. it's only the ECU that decides the appropriate need & proportion between air & fuel.
I've got a V6 2.5 auto and with a K&N panel & some additional holes at the bottom of the box, I feel an obvious improvement (very noticeable when kicking down), so much so that my engine is exclusively ethanol-fuelled (E85) which needs 25% more fuel.
Your opinion pals?
Thanks.
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Rover 75 V6 2.5 Auto Connie born 1 July 1999, 24 kOhms resistor, 10 kOhms manual starter, full E85, modified airbox, full derestricted SS exhaust line, power & torque remap -> 202 bhp
- This vehicle was the 7,517th 75 to run off the production line, out of 112,381
- This vehicle was the 1,190th 75 2.5 V6 Contemporary to be made out of 8,214
- This vehicle was the 2,032nd 75 in Atlantic Blue Pearlescent (code: JEY) to be made out of 2,572 Atlantic Blue Pearlescent 75s
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