Early Spool / Excess Whine

Your premier source for information on the Turbo KA: KA24E-T and KA24DE-T (KA with aftermarket turbo kit)!
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Edub1
Posts: 1931
Joined: Thu Nov 10, 2005 2:20 pm
Car: 89 240sx KA-T

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I have a T3 super 60 with a .63 AR stage 1. I'm hearing a lot of what sounds like turbo whine even under very light load. Should the turbo be spinning and making this noise under light load? Could this sound be coming from my intake? It's just a short piece of pipe with a Z32 MAF and an Apexi air filter attached.

I am running an open DP untill I get to the exhaust guy, could this have something to do with it?

Turbo whine is cool under load but annoying at cruising speed.


Florida240sx
Posts: 11114
Joined: Thu Jul 01, 2004 7:17 am
Car: 1993 Nissan 240SX Hatch 5spd
2012 Nissan Altima S coupe 2.5
Location: DeLand FL

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Open Downpipe is the cause. I just hacked my exhaust off because it collapsed.... Cut at the test pipe....I hear spool at idle... Hear it a little bit while cruising but my car is do damn load between open dowpipe and open wastegate

Florida240sx
Posts: 11114
Joined: Thu Jul 01, 2004 7:17 am
Car: 1993 Nissan 240SX Hatch 5spd
2012 Nissan Altima S coupe 2.5
Location: DeLand FL

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Here it at the very end of this one once i rev it past 3k... http://www.badongo.net/vid/237142Very beginning of this one before I take off http://youtube.com/watch?v=Bk7p42SbjvM

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Edub1
Posts: 1931
Joined: Thu Nov 10, 2005 2:20 pm
Car: 89 240sx KA-T

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Man, I hope so.

Florida240sx
Posts: 11114
Joined: Thu Jul 01, 2004 7:17 am
Car: 1993 Nissan 240SX Hatch 5spd
2012 Nissan Altima S coupe 2.5
Location: DeLand FL

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I was driving through my neighborhood last night at 1AM coming back home Abotu a half mile drive with dips turns and hills Left the car in 3rd gear only going 30-40Sounded so sweet to hear it spool again

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wild_maxx
Posts: 1822
Joined: Mon Jun 28, 2004 11:07 am
Car: 90 TT pearl yellow z32
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My super 60 is pretty damn loud as well. It wines while in boost and I get boost right around 3k rpm's. There's some vids in my sig link if you want to compare it to yours.

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WDRacing
Moderator
Posts: 15983
Joined: Mon Nov 25, 2002 2:00 am
Car: 95 240SX, 99 BMW 540i, 01 Chevy Express, 14 Ford Escape
Location: MFFO
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My Skyline had a small T3 on it, it would spool almost always...which was fun. I hacked my DP off as well...lol. Very loud at that point. I think you're ok brah.

lrb_2000
Posts: 2854
Joined: Tue May 03, 2005 6:41 pm
Car: '91 Nissan KA-T hatch
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my super 60 is loud as well.. all the time, it just spools so fast on this motor.

98240
Posts: 810
Joined: Wed Dec 28, 2005 10:20 am

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Yeah my super 60 spools up with the lightest toouch of the gas pedal. About 2500-3000

Florida240sx
Posts: 11114
Joined: Thu Jul 01, 2004 7:17 am
Car: 1993 Nissan 240SX Hatch 5spd
2012 Nissan Altima S coupe 2.5
Location: DeLand FL

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My car is very popular at the local meet now, they hear my turbo spooling as I pull up... Almost got in trouble tonight when I was giving a friend a ride. Was abotu to launch the car froma stop sign and get sidewayz when I saw something across the street at target...Christmas lights above the hedge line... I don't know why he didn't come after me, my exhaust is so loud....I guess he wanted a bigger ticket....


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