Turbo Saab 900 B202 engine sound, loud Turbo spool or whine

I ported and half polished this cast manifold and sprayed it with a ceramic coating on the inside and on the outside for better thermal insulation. The old 5 bolt flange plate is a nightmare and slows the turbo down way to much, its not the cast collar like everybody thinks is the problem, its the small port that creates back pressure and reduces Exhaust velocity.

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How To Turbo Your Car [In 5 Minutes]
In this video, the boys from Mighty Car Mods show you in 5 minutes whats involved in turbo charging your car. For more information about each stage of the process, check out these links: Part 1: http://www.youtube.com/watch?v=vUKgKt... Part 2: http://www.youtube.com/watch?v=xt0M-B... Part 3: http://www.youtube.com/watch?v=F8ZDL5... Keep up to date with all things MCM on Facebook here: http://www.facebook.com/mightycarmods Music is "Collide" featuring Erin Renee by Moog [WHITECITYLIGHT REMIX] http://www.mightycarmods.com/collecti... iTunes Version here: https://itunes.apple.com/au/album/col... Also something to note around Mighty Car Mods: we are normal guys and are not trained mechanics. We like to make interesting car mods and show you how we've gone about it, but we can't promise that anything we show you will work for your particular car, or that you won't harm yourself, someone else, your car or your warranty doing it. Please be safe, be responsible and unless you know what you're doing, do not fool around with very serious machinery just because you've seen us make it look so easy. Talk to a qualified mechanic if you are in any doubt.




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