Throttle Body Spacer?
I got a question for all you guys.. I was considering getting a power aid throttle body spacer.. i've heard there good for the money.. ive got a 4.3 v6 in my 91 silverado.. before i did this i thought id get a few opinions.. is there any major adjustments that have 2 b done to add the spacer? is there ne1 out there that has one and does it really add power? any help is appreciated.. thanx
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