just to add info, that intake does need a tune bc the maf “housing”is larger that stock. the oem maf is calibrated for a specific diameter. intake tubes that can get away without a tune neck down at the maf so their calibration isn’t far off.
stock raptor cams shouldn’t have any “chop” bc they have to pass emissions. also, plugs shouldn't be spotless after some use. they should be turning light brown. if it really bothers you, maybe a compression/leak down test can address any concerns with engine health. i had a similar issue with...
any pics of the plugs? what other maintenance items have you performed? if you have no engine lights to point you in a direction, you can address the idle issue with easy maintenance items. clean the throttle body, MAF, and possibly use a top end cleaner. when you changed the plugs did you...
sometimes the center nut that holds the cv shaft to the hub behind the dust cap can back off. check the torque on it. as mentioned earlier what you are describing sounds like a iwe issue. as the engine revs, vacuum goes down which can cause the iwe to slightly disengage. going up hill while...
you chasing hp or just trying to mod your truck? i think the issue some people have is the hp change with the tb alone isn’t alway significant if not paired with supporting mods.
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