NOLA Speed and Style

Author Topic: prechamber replacement  (Read 169 times)

October 12, 2018, 11:31:22 am


  • Veteran

  • Offline
  • ***

  • 2050
    • View Profile
prechamber replacement
« on: October 12, 2018, 11:31:22 am »
 I'm putting together an engine using the good parts from an engine with a cracked block.
 The prechambers are cracked.
 I drove some out of old heads awhile back and glad I have a stash of them.

They seem to go in pretty easy, but they didn't seat down far enough.
So I had to drive them out and scrape some carbon off.
 When I drove them back out it seemed pretty easy too.
 They are in there firmly and flush now so I know they are the right size but do they usually drive out easily when newly installed?
 marked with 24 on the side CuH?
Topline head.

Tornado red, '91 Golf 4 door,
with a re-ringed, '84 quantum, turbo diesel, MD block

Reply #1October 13, 2018, 11:33:57 am


  • Veteran

  • Offline
  • ***

  • 2868
    • View Profile
Re: prechamber replacement
« Reply #1 on: October 13, 2018, 11:33:57 am »
They should be a bit of a press fit.  Not easy movement.  You could peen the bore of the insert to displace metal a bit and make it a tighter fit. 
Use, abuse or ignorance of any information is at your own risk, confirmation or refutation is your own responsibility, no further 'proof' will be given, take it or leave it, YMMV,terms subject to change without notice, avoid contact with eyes or skin, contents known to cause cancer in California


Canada Catalys