308 Dual Fuel Filter Assembly..help | FerrariChat
Buy

308 Dual Fuel Filter Assembly..help

Discussion in 'Technical Q&A' started by desire308, Mar 12, 2008.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.

  1. desire308

    desire308 Formula 3

    Oct 19, 2007
    1,433
    Florida
    Full Name:
    Peter W
    #1 desire308, Mar 12, 2008
    I managed to damage the U sections of my dual filter setup. I have an 81 2V. The nuts were somewhat frozen and I ended up rotating the assembly and crimping parts of the 90 degree bends.

    1] What shops repair fuel fittings
    2] Has anyone out there went to a single filter setup like the QV. It just makes more sense and will make it a lot easier to servive in the
    future.

    Any other suggestions [aside from me keeping away from delicate assemblies ;) ]
     
  2. phrogs

    phrogs F1 Veteran
    Silver Subscribed

    Apr 13, 2004
    7,373
    Kzoo Michigan
    #2 phrogs, Mar 13, 2008
    My 82 is set up as a single filter and thats what the parts manual calls for a single on mine.

    So I dont see why you can go to one and cut out the dual filter.
     
  3. desire308

    desire308 Formula 3

    Oct 19, 2007
    1,433
    Florida
    Full Name:
    Peter W
    #3 desire308, Mar 13, 2008
    I agree...just searching found very little on this. Verell said this in one of the threads:

    "I suspect that Ferrari was being conservative about pressure drop across the filter. Initially went with the dual filter setup, then decided it wasn't necessary."
     
  4. dave80gtsi

    dave80gtsi Formula 3
    Silver Subscribed

    Nov 3, 2003
    1,958
    Ohio
    Full Name:
    Dave Meredith
    #4 dave80gtsi, Mar 13, 2008
    Once you replace the dual filters with new, it'll be close to forever until you'll ever need to replace them again.

    Speaking personally, I'd fix what you have, rather than try to do a single filter set-up ( ... which I readily admit would probably still work OK).

    You can often order the odd part like the top and bottom "U" tubes from Ferrari UK for a pretty reasonable price - have you checked?

    Cheers - DM
     
  5. desire308

    desire308 Formula 3

    Oct 19, 2007
    1,433
    Florida
    Full Name:
    Peter W
    #5 desire308, Mar 13, 2008
    I am checking. UK said in another similar thread they couldn't get the part, It's a "US" only application. So I have two others I am searching out. In the meantime I am checking into a source to repair what I have, although it's already been repaired once by the PO.
     
  6. finnerty

    finnerty F1 World Champ

    May 18, 2004
    10,406
    #6 finnerty, Mar 13, 2008
    The FI fittings and pipe sections are pretty scarce these days. You might try Rutlands or another place that deals in used parts.

    Otherwise, take them into a good hydraulic repair / service shop that works on fork lifts (because that stuff is metric), and they can fabricate anything you want.

    I've had success with this on past projects.
     
  7. finnerty

    finnerty F1 World Champ

    May 18, 2004
    10,406
    #7 finnerty, Mar 13, 2008
    As for single vs. dual filter set-up??? Doesn't really matter...But note, that if you do change over to the single set-up, the filters are different (p/n's).

    To expand on Verrell's comment, it was Bosch, not Ferrari, that specified the filter layouts. I discussed this one day with a buddy of mine at Bosch, and he confirmed that the single filter actually has the same pressure drop across it as the dual filters (taken together) do across them. It was a filter design improvement that allowed them to go to one filter (and keep the same system flow rates / pressure gradients).

    Remember if you change to the single filter set up ----- get the correct one, or you may possibly find your FI acting squirrelly.
     
  8. Rock

    Rock Formula 3

    Nov 9, 2003
    1,652
    Toronto, Canada
    Full Name:
    Rocco
    #8 Rock, Mar 13, 2008
    I may have a used fitting, I'll check tomorrow
     
  9. desire308

    desire308 Formula 3

    Oct 19, 2007
    1,433
    Florida
    Full Name:
    Peter W
    #9 desire308, Mar 13, 2008
    Thanks for all of the help/suggestions all...I have a local shop that works with some car restoration shops that is making up a whole new assembly for me with an extra 1/4" gap so I can actually fit a socket between the filters. Not too costly either ;)
     

Share This Page