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  1. #1
    Join Date
    May 2016
    Location
    Plymouth
    Age
    42
    Posts
    152

    RV8 alternator tensioner

    Hi guys,

    I intend to use the tensioner described on the sumo build page but not sure where to attach it on my engine. All suggestions welcome particularly those who have had the same issue. I will try and attach a couple of pics shortly.
    Granada based Pilgrim Sumo with RV8 - May 2017
    YouTube Build diary:
    https://www.youtube.com/channel/UCJnGMrv_CkERYzoG68enTGg

  2. #2
    Join Date
    Apr 2005
    Location
    Worcestershire
    Age
    44
    Posts
    2,166
    I attached to one of the bolts on the timing chain cover, but I had to extend the tensioner supplied by Pilgrim (about 10 years ago), and bend it to meet the cover surface flat.

    Pilgrim suggested using a long bolt through a tube to fill the gap between the tensioner and the front cover, which I did. After about 200 miles the bolt snapped.
    Regards

    Craig Perry

    No, I'm not "repairing" it, I'm fine tuning its performance.

  3. #3
    Join Date
    May 2016
    Location
    Plymouth
    Age
    42
    Posts
    152
    Craig, that is what I was afraid of and hoped someone had a neat solution to solve this.

    Attached Images Attached Images
    Granada based Pilgrim Sumo with RV8 - May 2017
    YouTube Build diary:
    https://www.youtube.com/channel/UCJnGMrv_CkERYzoG68enTGg

  4. #4
    Join Date
    Dec 2001
    Location
    Cherval, France
    Age
    60
    Posts
    1,677
    I made up a robust S shaped bracket that mounted off one of the timing cover bolts then used a stainless steel turnbuckle from a sailing chandlery.

    Allowed fairly easy adjustment and could then be locked off.

  5. #5
    Join Date
    Feb 2007
    Location
    West Sussex
    Posts
    8,519
    I had the same problem on my old Sumo. i think you have a left handed alternator on a right hand mounting.
    I took the alternator apart and moved the front cover round, which kind of worked with the right tensioner.
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

  6. #6
    Join Date
    Dec 2008
    Location
    Newcastle upon Tyne
    Posts
    1,856
    James,

    If you do use the timing cover fixings I would suggest you use at least two. The water pump on the EFI engine is a bit different to yours so the attached may not be relevant but may help you formulate your solution.

    I changed the set up shown on the attached pictures to replace the sliding coupling, secured by two M8 bolts, to use a turnbuckle. The turnbuckle made setting the belt tension very easy & I would recommend that you try to incorporate one in your set up.

    Good luck.

    Regards,
    Ian



    01 Bracket from original alternator mount on the Range Rover




    02 Sliding bar to adjust tension




    03 First fitting attempt




    04 Trial fitting



    05 Completed but prior to replacing the two bolt fixing on the sliding coupling with a turnbuckle
    Attached Images Attached Images
    Pilgrim Sumo Mk3; IVA Apr. 2014; RV8 3.9 EFi ; Cosworth T5; Granada Donor
    Phase Two underway - Conversion to Japanese

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