Hey I was wondering if I was going to need a tune before I install this new ported polished throttle body ? Also was wondering what kind of gains do ya get ? Like gas mileage, hp, tqe any of that great stuff I should be getting my new throttle body this friday just worried before I install it and wondering if it was a good idea to get it ?
when I got mine the tune made all the difference...
It ran pretty bad before the tune a got the lean bank code a couple times, but afterwards to made a significant difference.
MPG wise I saw a little better city gains, but nothing too significant, and I would say the low end pick up was quite noticeable
@jkaser, with that big intake and off road pipe you got going on I can tell you the throttle body makes a HUGE difference...I hope youre results were as satisfying mine were :bigthumbsup
Mine didn't throw any codes, but I did have to turn the idle from 750rpm to 650rpm. It ran like really weird until the adjustment was made. I guess the MAF just senses the extra air and compensates.
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