Anyone know what size the intercooler boot clamp nut is?
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Cargo Master
Joined: Sep 2015
Posts: 2,860
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Anyone know what size the intercooler boot clamp nut is?
just installed all my intercooler boots with plenum inserts. Had a torque wrench set at around 14 lb/ft and all of a sudden POP! the inside of nut on clamp stripped out. of course its on the boot going to the plenum. Any one have this happen? Brand new clamps from riff raff. Am I cranking to hard, maybe torque wrench isnt accurate, i dont know but didnt seem like i was getting on it enough to do that. the threads came out on the bolt looking like a heli coil. not to cool. Google it and another forum popped up , everyone was saying to crank em down. apparently you cant do that , not even 14 lb/ft. Anyways went to hd and threaded the bolt into thier thread gauge. the only one that seemed to fit was 1/4-28 fine thread( which they don't carry in a nylon thread lock nut). anyone know if this is the correct size?
Also anyone know how to gauge how tight to tighten the nut?
Also anyone know how to gauge how tight to tighten the nut?
Because racetruck
Joined: Apr 2007
Posts: 2,786
Likes: 104
From: Monterey Bay, CA
Sounds like you have just gotten a clamp made on a Friday. I don't bother with a torque wrench, I just use my impact but I know they are way tighter than 14 ft lbs. I would just give Clay a call and see if he will warranty it. Last ones I got from them were nice made in the USA clamps.
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
1/4-28 should be correct. That happens every now and then where I work. Just about every T-bolt style clamp that is on all our trucks and heavy equipment has been that size. If the threads have also "pulled" on the stud in the area where it is supposed to tighten up, you can add a few washers to space it up to get a better bite. Another quick fix when I don't have a spare clamp.
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