Installed new mods - now whistling sound????
 

I recently got my car back from it's injector/intake/fuel pump install. The car runs like a BEAST, but it now makes a whistling/sucking sound at idle (in the engine compartment). y mechanic told me it's normal because of the intake/MAF/TB sucking more air. Is this true? Anyone else w/ this prob? Any suggestions or ideas what it could be? Help PLEASE!

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)

It's that BBK TB. There is a hole in the back of it where air passes, and theat creates the whining sound that your hearing I believe.

Peace-

Welcome to the club. You should only hear it when coming to a stop or at idle.

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351W 89 Mustang GT Convertible

Yup, it's that BBK TB. I have one and it sounds like a freakin jet airplane comin in for a landing. I think it sounds kinda cool though. That combined with the whine of my blower sure makes people look twice.

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Dustin
93 Cobra 261 rwhp
89 GT(Saleen Clone) 392 rwhp(TFS Intake,TFS Heads, BD-11A 9#,Ecam,1.6 rr's, BBK longtubes, lots more...

You guys are awesome. I've been doing some online research and that's exactly what I found out - the BBK TB is the answer. Now that I know what it is, I do think it sounds cool. I just didn't want it to be anything wrong. Thank God. Now, the ? is.....why does it do it??? Thanks guys.

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)