my dad is thinking about getting a new pully for his trd S/C on a 3.4 tacoma he want so know what people opinons are 2.2 or 2.1 and also does anyone know if u should or can change the oil in them?

 

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Please tell me your dad has the proper fuel and timing mods as it stands right now...if not, don't even think about putting a smaller pulley on it.

As for changing the nose gear oil, yes, it can be done. Most techs recommend changing it about every 30K miles or so, but a lot of folks have gone much longer with no problems.