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  1. #1
    Join Date
    Jun 2016
    Location
    Nantwich Cheshire
    Age
    52
    Posts
    276

    AK Gen 2 fuel routing under diff.

    I'm just getting to the point where I need to route the fuel lines on my AK.
    I know you need to protect them as they run under the diff.
    However I'm struggling to work out where to mount anything to.
    Also do they just have to be clipped or fully protected with a plate.
    I'm planning on running two lines feed and return, one down each chassis rail.
    If anyone has any pics of a similar installation on a gen 2 it would help a lot if I could take a look.

    Cheers

    Mike

  2. #2
    Join Date
    Aug 2016
    Location
    WELLINGBOROUGH
    Posts
    97
    Hi Mike,

    My diff had four tapped holes on the underside. I got a piece of 5mm plate and fashioned feet welded to the plate and bolted to the diff.
    I then ran the two fuel lines on the plate which was long enough to protect the lines up into the tunnel. I also fitted clips on the plate to hold the lines.

    Hope his helps

    sceptic

  3. #3
    Join Date
    Apr 2004
    Location
    East Leake, Nottinghamshire, England.
    Age
    55
    Posts
    9,490
    I ran both the fuel lines (feed and return) over the top of the diff in such a way that if I ever need to do anything to them there is a joint either side.

  4. #4
    Join Date
    Sep 2013
    Location
    Pontefract
    Posts
    497
    Quote Originally Posted by scepticwoody View Post
    Hi Mike,

    My diff had four tapped holes on the underside. I got a piece of 5mm plate and fashioned feet welded to the plate and bolted to the diff.
    I then ran the two fuel lines on the plate which was long enough to protect the lines up into the tunnel. I also fitted clips on the plate to hold the lines.

    Hope his helps

    sceptic
    Same here but used 3mm stainless. Note though that when the car bottomed out it was the ak tank built in swirlpot that touches the ground not the diff so the plate needs to extend to cover that area too.
    AK GenII, collected 11th September 2015, passed IVA March 22nd 2017, On the road Friday 28th April 2017.
    LS6 468.4 bhp, 440 ft/lbs on the Dyno
    Canems ECU

    Blog: http://markscobra.blogspot.co.uk

  5. #5
    Join Date
    Jun 2016
    Location
    Nantwich Cheshire
    Age
    52
    Posts
    276
    I've stuck my head under my diff and can only find two tapped holes of the rather large variety.
    Maybe I can fashion something up to mount off these.
    Are these the holes you guys are talking about ??

    Attached Images Attached Images

  6. #6
    Join Date
    Apr 2014
    Location
    Stourport on Severn
    Age
    61
    Posts
    237
    If you don't fancy making one, AK sell a plate including bolts and spacer washers that fits to the 2 holes on the bottom of the diff.
    Cheers
    Steve

    My missus asked me to build her a Cobra! – How good is that!

    AK Gen2 chassis arrived 12/2/15 IVA Passed 2/7/18 on road 29/7/18
    http://stevesakcobrabuild.blogspot.com

  7. #7
    Join Date
    Jun 2016
    Location
    Nantwich Cheshire
    Age
    52
    Posts
    276
    Having done a bit of research I'm not sure about the AK one.
    I think I'll CAD something up that I'm happier with and get one made.
    Thanks for the info though.

  8. #8
    Join Date
    Jan 2014
    Location
    Newark-on-Trent
    Age
    54
    Posts
    257
    I went through the diff mounting plate with a bulkhead fitting for feed and return, (I think you can just about see them in the photo), but I still made a plate to stop the fuel tank swirl pot hitting the ground.
    Attached Images Attached Images

  9. #9
    Join Date
    Jun 2016
    Location
    Nantwich Cheshire
    Age
    52
    Posts
    276
    That looks like a nice solution. I don't suppose you have the dims of the plate? Is that just a foam pad between the pad and the swirl pot?
    Thanks for the pics I think I'm going to do mine along similar lines.

  10. #10
    Join Date
    Dec 2013
    Location
    Newark, Notts
    Age
    69
    Posts
    1,483
    Snap!! Just like mine Lionel! Sorry Incey, cannot find my template. Put it safe somewhere where I cannot find it!
    Charlie
    Joint Area Rep - East Midlands Region
    AKCharlie - ''AKA SOOTY'' - AK GEN2 - LS3 - 6.2litre - 434bhp - A dream come true
    .

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