Nuts to hold aircleaner cover | FerrariChat

Nuts to hold aircleaner cover

Discussion in 'Technical Q&A' started by rcraig, May 12, 2006.

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  1. rcraig

    rcraig F1 Rookie

    Dec 7, 2005
    2,960
    Maryland
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    Bob Craig
    This sounds a little wimpy, but I am changing jets in carbs on 79 308 and the nuts holding air cleaner cover on seem to be almost welded on. Too tight to undo by hand, but plier type tools tear up the nuts and because of being recessed into cover it is very easy to scratch cover, Any tricks out there? Thanks-Bob
     
  2. Birdman

    Birdman F1 Veteran

    Jun 20, 2003
    6,689
    North shore, MA
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    THE Birdman
    Bob, I take it you have the original knurled nuts designed to be turned by hand? My car has nylock nuts on there. I would try wrapping a rag around the nut then using pliers, to protect the nut and the airbox. If that slips, use one of those rubber pads from the kitchen designed to help open a stuck jar.

    Birdman
     
  3. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    Jan 11, 2001
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    30°30'40" N 97°35'41" W (Texas)
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    Can't help with getting them off, but I had noticed on my ex-set that the quality of the tapped hole was not the greatest, and it really wasn't tapped deep enough (i.e., they used a regular tapered tap rather than a bottoming tap so it "wedged" together as the stud went deeper into the blind threaded hole). Can't recall the size (M5 x 0.8P or M6 x 1P?), but once you have them off try running a bottoming tap (or just grind some of the end off of a regular tap to make a bottoming tap) to clean up the threads (you might even need to drill the pilot hole a little deeper -- but don't break thru!)
     
  4. Perfusion

    Perfusion F1 Rookie

    Oct 16, 2004
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    Aaron
    As a side note - if anybody knows where I can get *1* knurled nut, I'd be forever gracious. I have 3 of the 4...
     
  5. Ricambi America

    Ricambi America F1 World Champ
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  6. BigAl

    BigAl F1 Veteran

    Mar 17, 2002
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    GSgt Hartman
  7. BT

    BT F1 World Champ
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    Mar 21, 2005
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    Bill Tracy
  8. Perfusion

    Perfusion F1 Rookie

    Oct 16, 2004
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    Seriously, Daniel! Sheesh! I guess I walked right into it, though. I made a post in the 308 section about my "need" -

    http://www.ferrarichat.com/forum/showthread.php?t=105541

    When I called Norwood in TX, the guy I spoke with seemed to think what I have on my car (described over the phone) wasn't OEM. However, what I have looks nearly identical to the picture on your site. The one difference is that mine are black while yours are nickel...

    What are your thoughts?
     
  9. rcraig

    rcraig F1 Rookie

    Dec 7, 2005
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    Bob Craig
    #9 rcraig, May 12, 2006
    Last edited by a moderator: Sep 7, 2017
    Ok guys, here are my nuts. Are these good nuts or bad nuts? Right nuts or wrong nuts. Either way they're a *****.-Bob
    Seriously any thoughts on whether they are original or not?-Thanks
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  10. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    Jan 11, 2001
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    Steve Magnusson
    #10 Steve Magnusson, May 12, 2006
    Last edited by a moderator: Sep 7, 2017
    Bob -- That air cleaner nut matches exactly what was on my ex-'78 308 (but I don't know if all 308 are the same -- perhaps some of the early ones used a nut with a thru hole rather than a nut with a blind hole). The part number that you need is 113569. Don't know if they actually have them or can get them, but both www.allferrariparts.com and www.ferraripartsexchange.com show them as available at a reasonable cost (which is a good sign that you don't need Verell ;)).

    If you can get them for $5~15 each, I'd sure recommend that you get a set of 4 so that they match well -- JMO, since they are such a visible engine part.

    Daniel -- you list 113569 as "call me" -- what's the deal?
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  11. Ricambi America

    Ricambi America F1 World Champ
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    #11 Ricambi America, May 12, 2006
    Last edited by a moderator: Sep 7, 2017

    Means I'm too lazy to post them on the web. Here's a pic. I think they're $13.... but I'm headed out the door. Will check later 2nite.
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  12. Perfusion

    Perfusion F1 Rookie

    Oct 16, 2004
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    That sounds exactly like what the gentleman at Norwood described. Mine are like the ones that Ricambi sells.

    Daniel - do you happen to know the "specs" of the nut? I.e., it's metric, so it should be something like M3, M5, M10, etc... I'd like to have a set of "original" ones, but also just pick up some wingnuts at the local hardware store for 'round town driving.
     
  13. Irishman

    Irishman F1 Rookie

    Oct 13, 2005
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    I haven't posted my "found my car" thread yet. But I did find it. It's a '78 and I think fairly original -- 3 owners. Just took a look and mine are black, too. And, I noticed I'm missing one. If you go all chrome, I'll take your black ones :).

    Seamus
     
  14. dbw

    dbw Formula Junior

    Apr 3, 2005
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    palo alto ca
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    dave
    aaron...i have some spare nuts around..2 or 3.. pm me and they're yours.

    [might require a drive to palo alto]

    dave
     
  15. Perfusion

    Perfusion F1 Rookie

    Oct 16, 2004
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    Done!
     
  16. Jdubbya

    Jdubbya The $10 Trillion Man
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    Dec 28, 2003
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    My early '78 has nuts that have a through hole. Not sure if they are correct or not. I also have a whole set (plus a couple extras) of the type pictured above but they won't work on my car as the studs are too long. It seems that they switched at some point to the closed top ones.

    If anyone needs any of the closed top type (like the ones pictured in the posts above) drop me a PM with your adress and how many you need. I tried giving them away about a year ago and nobody seemed to want them. I have six.

    John

    EDIT: By the way I use the rag and pliers trick to get mine on and off. As long as you are careful it works well.
     

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