im doing a major tune up on my car i have a 98 gs400
question 1

is there any kind of bushings where the rear end and driveline meets at? because when i punch the gas to the floor my rear end feels like it shifts .

question 2

what kind of spark plugs should i use? and i want to flush my radiator what kind of radiator fluid should i use?

 

anybody??????????

 

Answer to Q#2: Use platinum denso spark plugs(dealer item) and go with long life toyota antifreeze(red color) hope that helps.

 

Only use toyota red coolent, and for spark plugs, people generally use Denso, NGK Iridium (OEM), NGK Iridium IX, or TM.