I<3My301ZX

i have a 91 300zx na, im not sure if this is an isue or if my car is supposed to be like this, but when i push the gas pedal in a little, only one of the two throttle bodies opens moves, then when i push the gas a little further they both open up. im not sure if this is normal or if this is an problem. please let me know.

hoov100

Google z32 throttle body sync

I<3My301ZX

i have, and havent found much