Damn whistle in TB... STILL!!
GAHHH!!
I posted back before about how when I installed the ported TB that it makes a whistling sound, like somethings leaking or something. I redid everything today, and it still does it. I can't find it. I had someone feeling around the TB while I revved to the right rpm to get the sound. I can't hear it while Im under the hood. They could not find a leak anywhere. I tried soapy water in a sprayer. It didn't work. Think about it. At the TB, the air is usually going in, not out. So the water would only get sucked in if there was a leak. Water just dripped tho.
Gasket is in perfect condition. I could not find a torque spec for the 420a, so I did like 20lbs or so. I don't get it. Gasket was port-matched again also, just to make sure the air wasn't like whipping off the edges. Super smooth now. IDK. Still sounds like I got a turbo under the hood.
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2013 Chevy Sonic 1LZ
Daily Driver, 1.4L Turbo, 6spd
75 Monte Carlo
SBC 400 6.6L, Aluminum heads, Hurricane Intake...
12 Chevy Sonic 1LZ 1.8L - Traded
01 Pontiac Grand Am SE - RIP
95 Eagle Talon ESi-T 5spd - RIP
88 Oldsmobile Cutlass Ciera- RIP
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