260z throttle shaft alignment issue - Engine & Drivetrain - Classic Z Car Club Skip to content

260z throttle shaft alignment issue

Featured Replies

Hi all, working through some mechanical issues on a new to me 260.

The PO had issues with the throttle sticking, and just put some really heavy throttle springs on there and sent it. It's pretty brutal to drive with a throttle pedal this heavy.

Prior to the last owner, the car was converted to dual Weber dgv's. I don't think this has much to do with the issue, as the throttle shaft still appears to use the factory shaft/mounts.

Removing the shaft end mount from the firewall it's springs down like 3/8 of an inch or more. I am guessing this is at least part of the problem, but I'm not seeing anything wrong with the motor or transmission mounts. The car has an apex engineered front subframe and a 71b 5 speed swap, which from what I have read should still be using all the stock mounts.

I took out the trans mount, and cleaned it up, it and the cross member bushings seem fine, look intact to me. Is the gap between the trans mount supposed to be this small? Are these motor mounts right for this setup?

Any help is appreciated!

20261108_184721.jpg

20261108_182403.jpg

20261108_182513.jpg

20261108_184117.jpg

20261108_184814.jpg

20261108_184831.jpg

20261108_200438.jpg

20261108_200526.jpg

  • Author

Doing more research, I think the rear trans mount might be collapsed, even through its seemed like it was solid. Just ordered a new one, hopefully that will fix it, but open to other things I should check!

Create an account or sign in to comment

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.