Quote:
Originally Posted by KingLT1
I had to add 2-3% of fuel up top to maintain the same AFR after I installed the Big Gulp. That tells me the engine is making more power. I am guessing 15-25whp coming from a stock airbox on your setup...bigger gains to be had with more aggressive setups.
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I experienced something similar, too. No change except the BG. That was moving from the standard RF to BG, just to be clear.