"Whistle" with engine load - 3000GT/Stealth International Message Center
3000GT/Stealth International 3000GT/Stealth International
 

Auto Insurance

» Featured Product
Wheel & Tire Center

Go Back   3000GT/Stealth International Message Center > Modifications and Technical Support > Engine - Non-Turbo

3SI.org is the premier Mitsubishi 3000GT Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools
Old 06-01-2019, 04:37 PM   #1 (permalink)
Forum user
 
Join Date: May 2018
therustyspoon6 is an unknown quantity at this point
Feedback Score: 0 reviews
Default "Whistle" with engine load

Working on a '94 3000GT N/A. The only Mod I have is addition of the 3SX downpipe. Still getting a whistle/screech noise when I accelerate and the engine is under load.

This one has been stumping me for months now. Searching the forums this noise has been documented but I couldn't seem to find any real fixes for it. A lot of guys describe is having a turbo whistle on their N/A engines...

Interestingly, switching back to the stock downpipe REDUCED the noise drastically, but didn't eliminate it. Is it possible that the engine is breathing better with the 3SX downpipe, maybe making noise from the intake somewhere?
therustyspoon6 is offline   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 06-06-2019, 12:56 AM   #2 (permalink)
Verified Seller
 
tac_shift's Avatar
 
Join Date: Feb 2010
Location: Pelham, MA
Drives: 94 SL
tac_shift is an unknown quantity at this point
Feedback Score: 2 reviews
Default

Sounds like an exhaust leak dude.
__________________
Engine Mods: 3SX headers + test pipe + SS catback, K&N FIPK, Kevlar Belt + Solid Tensioner, Polyurethane Motor Mounts, Aluminum Crank Pulley, '99 Lifters, VSS, Fuel lab filter/SS fuel lines, fuel rail fuel pressure gauge, custom SS fuel sender assembly studs, MSD 8.5mm wires + Accel coilpacks, Stage II Spec clutch, clutch damper delete, evap delete
Suspension: Complete Polyurethane subframe/suspension, Addco Front/rear sway bars w/ Moog endlinks, front/rear strut bars, Vogtland lowering springs, KYB struts (ecs delete), Copper/Nickel + SS brake lines + abs delete, EBC green pads/drilled+slotted rotors, rear adjustable control arms w/ chromoly heim joints
Aesthetic/Weight Reduc: Blue Wire Mod, 17" Motegi Racing MR131 rims, Clear Timing Covers, HID 6000K headlights/Fogs + LED hi beams, CF hood, aftermarket seats, 1200W Sub/3000W Amp/Samsung Tablet h/u, Acrylic Enamel Caracas Red paint, 99' sail panels, Spark plug cover, tan to charcoal interior
tac_shift is offline   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

  3000GT/Stealth International Message Center > Modifications and Technical Support > Engine - Non-Turbo

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the 3000GT/Stealth International Message Center forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Free email addresses do not work(yahoo, hotmail, gmail,...)
We are currently being blocked by AOL so any AOL based address may not work(aol.com, aim.com, netscape.net, cs.com)
Email Address:

Log-in


Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On


Powered by vBadvanced CMPS v3.2.2

All times are GMT -5. The time now is 01:06 PM.



Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.1
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
 

Garage Plus vBulletin Plugins by Drive Thru Online, Inc.