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P1133 Engine not running smooth?????

Just so you know, My intake made that noise from day one, it has to do with the port design for the IAC, if you put in a different throttle body(like a N*) the sound is different or reduced but still there
 


which throttle body is that 02blue??? possibly a link or price or pictures etc? Thanks for the input though thats the best answer i have heard all afternoon!!!!
 
I just looked around ZZP and found the northstar TB which they only recommend for supercharged applications. But they also had a smaller TB for less money that they recommend for the N/A 3800. I didnt know if anyone had anything to add to my discovery? Is one better than the other? Will the northstar work in a N/A motor etc?
 


Do you think the hvtb will help cut down on some of the noise? I have heard that the n* tb helps cut down noise but havent heard positive or negative feedback on the zzp hvtb???
 
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