GTM TT: Slight turbo whistle... anything to worry?

DIGItonium · 10-16-2012, 11:09 AM

Yup, edub, I was a bit paranoid about the turbo bearings. When my dad bought a used '90 Z32-TT the turbos would wail like a police siren when cold.

Car seems to be running and building boost fine, but I haven't hit WOT as often either especially in the morning. At first I thought it was from cold oil, but even after it hit 180F I still hear it in the morning.

Possibly the reason for noticing this now is that I've not had the radio on for the past week after swapping the amps and waiting for some additional accessories to get it going again. So who knows... it might be whistling for quite sometime.

10-16-2012, 11:09 AM	#4 (permalink)
DIGItonium A True Z Fanatic Join Date: Jan 2009 Location: Kansas Posts: 3,800 Drives: 09 Z34-TT 6MT Rep Power: 43	Yup, edub, I was a bit paranoid about the turbo bearings. When my dad bought a used '90 Z32-TT the turbos would wail like a police siren when cold. Car seems to be running and building boost fine, but I haven't hit WOT as often either especially in the morning. At first I thought it was from cold oil, but even after it hit 180F I still hear it in the morning. Possibly the reason for noticing this now is that I've not had the radio on for the past week after swapping the amps and waiting for some additional accessories to get it going again. So who knows... it might be whistling for quite sometime. __________________ Last edited by DIGItonium; 10-16-2012 at 11:12 AM.

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