mbc help
can anyone help iv got a 2000 19t4 with a k&n induction kit with a 2 half s/s exhaust and baileys twin piston dump valve it runs 10 half psi it spiked to 14 somtimes so iv just fitted a mbc and turned it to just over 14psi it goes really well but drinks alot more fuel is this normal and safe i cant aford a chip so iv done it this way can anybody who done the same tell if their car alright the car seem fine and pulls well. and why does it hold 14psi and then drop boost around 4600 to 5000 revs in 1to 3 gear
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