Re: Flipping Air Cleaner Lid on TBI
try it and find out. It WILL help get more air in, but it'll be hot air. So this is a question of quantity over quality. I've seen it go both ways, bepends on how choked up the engine is for air.
I know for a fact that my burb liked quantity over quality, esp with a sea level tune, and going through denver... it was blowin black smoke like a cummins... lots les smoke, better MPG and performance once it was flipped.
I've done it on TBI cars with both results... so it is up to your truck to answer your Q.
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