Alert icon
We're changing our privacy policy. This stuff matters.  Learn more  Dismiss

Porsche 911 Twin Plug & Big Valve Head Conversion

Loading...

Sign in or sign up now!
Alert icon
Upgrade to the latest Flash Player for improved playback performance. Upgrade now or more info.
1,979
Loading...
Alert icon
Sign in or sign up now!
Alert icon

Uploaded by on Apr 7, 2009

Porsche 911 Twin Plug & Big Valve Head Conversion

Category:

Autos & Vehicles

Tags:

License:

Standard YouTube License

  • likes, 0 dislikes

Link to this comment:

Share to:
see all

All Comments (3)

Sign In or Sign Up now to post a comment!
  • what are the holes on the modify head on the exhaust side ?

  • @dawheele1 more complete conbustioin especially on older carburated engines that test o run rich.

  • what advantage is there to the twin plug conversion?

Loading...

Alert icon
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more