Results 1 to 7 of 7

Thread: Popping/backfiring and Run on

Threaded View

Previous Post Previous Post   Next Post Next Post
  1. #1
    Night Rider Vombil's Avatar
    Join Date
    Feb 2011
    Location
    Western Suburbs
    Posts
    2,630

    Popping/backfiring and Run on

    Hi guys,

    thought id share a recent carbie experience. goes a bit like this

    bought sandman fitted with 650 double pumper, mechanical secondary
    the thing ran OK but would flood up at times and hesitate when you stabbed the pedal. started fine, no run-on, no backfiring etc
    as carbie was flooding i was advised to piss it off as it was too big for the motor aside from the fact it was knackered
    bought a new holley 600 vacc secondary. your meant to be able to drop them on and away you go (within reason of course)
    Dropped on the new carbie and it ran WAY worse than the knackered 650 DP. WTF!!!
    Suffice to say i was quite annoyed. I thought the timing was fine given it ran ok with prev carbie and its elec ignition and the motor was re-built 40,000 ago.
    I started to do some homework and got all worked up thinking than the lobes on the cam/s may have been sheered off causing the poppin/backfiring (exhaust and carbie burbs!) etc etc pretty much assumed the worst :(

    Turns out the timing was out and the new carby just needed setting up.

    The morale of my story - dont ignore the obvious!
    Last edited by Vombil; 12-09-2011 at 04:27 PM. Reason: typo
    BQZ

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •