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Vortec Throttle Blade Mod and Intake Resonator Removal

vortec throttle blade mod and intake resonator removal

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#16 OFFLINE   AirmanSkee

 
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Posted 04 March 2013 - 12:35 PM

Ive got an exhaust leak coming from my passenger side, and the muffler shop said the gasket was blown out the manifold. Never got a real chance to do much with the truck but I am looking to do the exhaust work on it when I get home. 


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#17 OFFLINE   DirtRidinZ71

 
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Posted 04 March 2013 - 01:04 PM

I bet, it would be nice and noisy coming from the manifold.  Did you replace with OEM or aftermarket?  (have fun getting the rusty OEM bolts out?!)

 

I replaced it with an aftermarket Dorman part. It came with all the gaskets and fit great, I actually was impressed.

Only 2 bolts came out the other 4 needed the heads cut off of them, then turned out with vise grips fairly easy.


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#18 OFFLINE   Hedge

 
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Posted 05 March 2013 - 10:20 AM

I bet, it would be nice and noisy coming from the manifold.  Did you replace with OEM or aftermarket?  (have fun getting the rusty OEM bolts out?!)

 

I replaced it with an aftermarket Dorman part. It came with all the gaskets and fit great, I actually was impressed.

Only 2 bolts came out the other 4 needed the heads cut off of them, then turned out with vise grips fairly easy.

 

That's not bad at all....some guys have spent hours/days getting x4 bolts out!!

 

I never thought I would like Dorman products, but I have a few items from them and the quality has always been on par w/AC Delco.  I'm still an AC Delco & Delphi (depending on part) guy, but I've never had a problem with a Dorman part.  I also found Dorman customer service to be very helpful with a US-based call center utilizing knowledgeable folks to answer the phone for tech questions.



#19 OFFLINE   topshelfburban

 
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Posted 21 September 2013 - 10:30 AM

The vortec silencer box removal concept is a novelty.  I put mine back on because I couldn't stand the howling sound.  It also cost me a drop of SOTP.  If you like loud, go for it, but if you're trying to go faster, do something else, because there is NO performance gain from removing the box. 


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#20 OFFLINE   Snowgoat

 
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Posted 04 January 2014 - 09:01 PM

I did the throttle body blade mod on my 4.3 blazer when I had it but I have a 5.3 sierra as of today and am wondering if the mod can be done on it as well?



#21 OFFLINE   69stingray

 
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Posted 08 January 2014 - 02:37 PM

Is throttle response the only gain?

I never had a chance to drive it afterwards to see if really noticeable any gains. The main claim is a little increase in throttle response. If there really is anything noticeable then its well worth the 30 min of work.


Yes throttle response is the only gain, but is well worth it and easy to do for free, I can definitely spin the tires in a little 4.3, may not be much but alot better and it definitely has a launch now, doesn't throw up any codes or anything, I'd say I get a little better gas mileage. So I'd recommend y'all to try it, it's not a huge change but quite nice for it being free

Edited by 69stingray, 08 January 2014 - 02:40 PM.


#22 OFFLINE   99Burban

 
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Posted 19 January 2015 - 10:56 PM

The intake resonator is even easier to do. Loosen the hose clamp and remove the bolt that holds the "vortec box" onto the base.

IMAG0905.jpg

 

Seperate the 2 parts

IMAG0906.jpg

 

I used the cap from a spray paint can, had to use a heat gun to get it to slide onto the intake assembly, secured with a hose clamp

IMAG0907.jpg

 

Install back onto truck

IMAG0910.jpg

IMAG0911.jpg

 

i found the using a rubber 2 inch plug with a hose clamp from the plumbing section of your local hardware store (i got mine from home depot) works really well







Also tagged with one or more of these keywords: vortec, throttle, blade, mod, and, intake, resonator, removal

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