Turbo flutter4/28/2023 ![]() Blow off valves are an easy fix for turbo flutter. Adjusting throttle pressure is an important part of driving, and engine braking shouldn’t damage your turbocharger. Turbo flutter is one noise we can all do without though. Personally, I really like the ' stu tu tu' sound but I would much rather source all the parts needed instead of sacrificing here and there for the sake of a sound that won't improve performance. Turbo Flutter If you love the unique noises of turbocharged engines, you’re definitely not alone. Turbo builds will always be the more expensive as opposed to their naturally aspirated counterparts but you sure as hell get your monies worth when everything clicks into place. To the turbo, compressor surge is a condition that occurs whenever turbo boost pressure is high and airflow is low. Here’s a good YouTube link showing classic compressor surge caused by the absence of a BOV. There are no benefits to gain from this sort of modification because that is what it essentially is, a modification.įorced induction is like a form of black art that can either make you really happy or staring down the barrel and thinking 'why did I do this'. To the driver, compressor surge is apparent as a fluttering or repeated choofing sound, typically when closing the throttle. Tuning down the boost or fitting a higher pressure BOV can remedy the situation and return the ' whoosh' sound. Mods, 7.5' fmic, Catless DP, 3.5' HPF V2 exhaust HKS BOV, with ER CP, (Also tried a synapse CP and bov, Both work fine in a stock car.) Upgraded 6mm vacuum. Currently running JB4, with the Pump backend flash. I can hear the bov going off, but also hear the air chirping back through the turbos. This could mean one of two things, either your wastegate or blow-off valve isn't releasing a sufficient amount of pressure or you are running too much boost on the stock turbo. I am getting turbo flutter when I release the gas. The compressor blades can run down over time which also provides the opportunity to fit a bigger turbo. Whatsapp 0 - Call Center Hotline 0 On the other hand If there are turbo upgrades then they should be revealed for different car/parts/types just like on XBOX (even though the flutter sound is too low and cannot be heard only when you stop accelerating Theo also known as Turbo, is the overall main protagonist of the. In essence, what you are doing is removing a part in how a turbo normally operates and re-configuring it in a way to not need it.Ĭan it harm the engine? No, but it can do a number on the turbo over time especially if you are running high boost. Most people only tend to do it because it sounds awesome and also letting the guy next to you know you mean business. The conflicting back and forth air pressures in the turbo has no place to go but expelled through the turbo and lets off the ' stu tu tu' sound. Turbo flutter is a common problem in all cars, especially those with turbochargers. You can fix it by following a few simple steps. It sounds like the exhaust of a turbocharged car but does not accomplish anything useful. The basic concept behind this surge is when the incoming air has no place to be released once the throttle has been closed, which is normally done so through the blow-off valve, and then gets recycled back into the turbo. Turbo flutter is a problem caused by excessive turbo pressure and can make your car noisy. One particular video by the guys from Go Fast Brett explained what is known as compressor surge and the analogy behind it is very interesting indeed.ĭo you own a turbocharged car that produces either of these sounds? Tell us about your ride Email us Some liken it to a loud pigeon or bird gobble. I think that is showing the sound im hearing.I've always wondered how some guys achieved that ' stu tu tu' noise as opposed to the ' whoosh' because it sounds downright cool. In this log you can see the boost doesn't drop fast. ![]() Seems odd that I can just connect that hose and run it down the side of the transmission like that. Another question I had is if I connected the PCV hose properly. I will post photos with my JB4 settings, and links to some logs. I was forced to leave 2 of the aluminium studs in the block, because they got stuck and I dont want to drill them out. I used to have a twisted tuning port injection kit on the car, but I have removed that because i thought it was causing my issue. ![]() HKS BOV, with ER CP, (Also tried a synapse CP and bov, Both work fine in a stock car.) I am getting turbo flutter when I release the gas. Hey I have posted on FB pages, and JB4 help threads, Still no luck solving my issue.
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