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Rb20 Auto Onto Rb30

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Bl4cK32 Grand Master

Bl4cK32

Posted
Posted (edited)

it will bolt up to the motor yes, but dont expect it to last.

*As a guess the tailshaft yoke would be different, as would length. Crossmember would be different, and the speedo drive is a cable type on the auto box.

So no its not a drop in replacement :)

*note ive not seen the setup to be sure.

Edited by Bl4cK32
turboedsloth Grand Master

turboedsloth

Posted
Posted

ah ok if you say so.. in that case you need a 20 auto tailshaft, speedo adaption somehow, all mounts and i would be making sure the torque converter bolts onto the flexplate on the back of the 30. if it doesnt i would be getting one for a 20.

just out of curiousity do you have the holden 4n71b behind the 30 atm and is the 20 box a RE4R01A?? if you dont know wat i am talking about post some pics of what you have.

  • 4 weeks later...
drewbear Newbie

drewbear

Posted
Posted
ah ok if you say so.. in that case you need a 20 auto tailshaft, speedo adaption somehow, all mounts and i would be making sure the torque converter bolts onto the flexplate on the back of the 30. if it doesnt i would be getting one for a 20.

just out of curiousity do you have the holden 4n71b behind the 30 atm and is the 20 box a RE4R01A?? if you dont know wat i am talking about post some pics of what you have.

Interseting as I have just tried to put a rb30 box behind a RB20DET (red top) in a 200ZR import.... it doesn't go lol

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