8/14/2023 0 Comments Best turbo flutter![]() ![]() That is because the manufacturer has replaced the housing that’s typical on the valve mechanism with a brass piston and an anodized billet aluminum shell to enhance its pressure tolerance. Despite that, it's recommended for vehicles with factory Bosch or Denso bypass valves, and Subaru Legacy/ Liberty fifth-generation models.įrom its outward appearance, you will notice that the GFB DV+ has a sturdy look and a more compact shape than most BOVs. So, if you want something that produces an intimidating sound, this may not be it for you. While the sound produced is impressive, it’s only half as loud as higher-priced BOVs. However, there’s one concern that has plagued many buyers. It’s a great choice for anyone looking to maintain the stability of their turbocharged engine. It can significantly improve your engine’s performance by promoting smoother shifting. Just as with many Turbosmart BOVs, this too has a space-efficient and lightweight design to make it easier to install.Īfter releasing the throttle, you’ll notice that it produces an impressive sound, which rivals most standard BOVs. The Turbosmart Kompact is a hybrid BOV with an all-metal build and a unique air recirculating design. If I was doing it all over again in today’s timeframe and NOT going bigger than a stage 1 injector, maybe a small stage 2, I’d go with the KC Turbo drop in.Turbosmart makes some of the best blow off valves with clever designs, so it’s no surprise that more than one makes our list. If I recall, the newer KC drop in outperforms the Garrett 38r in almost every way. And then you’d had some upside potential. Honestly though, by the time you spruce up a stock turbo, you’ve spent 1/2 the money or more than just buying a KC or 38r drop in. It certainly didn’t hurt! Ran big injectors (for 15 years ago) with it and didn’t have surge, but turbo was tapped out. I also added an ats compressor housing at the the time. 84 housing and the same compressor side as the truck turbo. It has the 1.15 a/r turbine housing verses the. If you were dead set on keeping a stock turbo, put a van turbo on it. It’s been about 15 years since I’ve had a stock turboed ANYTHING! But in theory slows the air down which is supposed to limit surging. The wicked wheel is pointless, actually flows less air than the stock SD wheel. When I first experienced it years ago on my old 2002 that was stock except 4” turbo back exhaust and open air filter, it scared the crap out of me! But, it's mine now, so I just need to make sure the truck is up to the task of pulling her around.Īny thoughts or ideas, I'm ready to give it all the old college try.ġ00% what it is. I think I may have over done it when I bought my trailer, it's gvrw is 16,800. ![]() It all looks like it's probably original stuff. I have a new actuator on the way, along with new vacuum lines to run it. My biggest question is, am I doing any damage when I get into the fluttering sound? Most regular hwy driving it sits at 3-5 lbs, jumping to 12-15 when passing. I have even taken the red tube off the actuator and still can't get above 23 lbs. The turbo won't build anymore than 23 lbs under it's heaviest load WOT. My wastegate actuator is set at about 18-20 lbs. The turbo whistle isn't affected at all, the boost pressure sits steady during the fluttering sound. It seems to come in about 2300-2400 rpm's. ![]() Under heavy acceleration, or pulling a big hill with a load, it is very noticeable. Under normal driving conditions it isn't very noticeable. It definitely sounds better with the WW2, but the flutter is still there. In talking with a friend that has a friend that claims to be a builder of 7.3's, and taking advice from another forum, I replaced the compressor wheel with a Wicked Wheel 2 because that was the sure fire way to clear up the flutter. Also has CAI which isn't really CAI because it sucks all it's air from inside the engine bay. The truck came original with the 4" turbo back Banks exhaust. PO said he had some drivability issues around 140K that resulted in replacing the injectors with "something a little bigger than stock" but he couldn't remember anything more because it was 10 years ago. Under heavy acceleration I was getting a fluttering sound anywhere above half throttle. My initial issue was what I was guessing to be turbo flutter. ![]()
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