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Thread: 2.3 cam id

  1. #1
    FEP Power Member
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    Default 2.3 cam id

    Have an 86 Turbo coupe auto and am trying to identify the cam that is in it. What kind of markings should there be on the cam and where?

    The car has a lot of unknowns to me and the previous seller since it was his dad's car that passed away. The car has an adjustable boost valve and gauge, FMS front mount intercooler, adjustable cam sprocket, FMS 140 speedo. The cam appears to be at 8 degrees advanced according to a local shop that it's currently at.

    Bought the car in barely running condition and the shop it's at has got it running but currently has no power up to 3000 rpm.
    '86 GT - weekend driver
    '86 Capri 5.0
    '86 Turbo Coupe
    '17 GT - newest toy
    2019 - Ranger

  2. #2
    FEP Super Member gr79's Avatar
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    When i rebuilt my 79 engine, installed a Ford Motorsports M-6250-A231 cam.
    Supposedly is the same cam as late SVO/Tbird turbo engines used.
    Came in a cardboard tube like cams do.
    Until boost kicks on, the engine is basically a regular 2.3.
    On a stock 2.3, 8 cam advance is a lot. Have mine straight up maybe 1 adv due to index mark skew.
    The only paint mark id is at the middle of cam. Looks like light green.

    If down on power, chk compression, timing, fuel supply, vac lines etc. Added boost beyond factory setting can cause problems.
    Tune up with Motorcraft parts dist cap, correct heat range plugs, plug wires, Motorcraft filters.
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  3. #3
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    On a Motorsports cam would there be any ID markings on the end of the cam (pointing @ firewall)?

    I agree that 8 degree advanced seems like a lot?

    Is base timing set @ 10 degree on the turbo 2.3? Should I try advancing the timing?
    '86 GT - weekend driver
    '86 Capri 5.0
    '86 Turbo Coupe
    '17 GT - newest toy
    2019 - Ranger

  4. #4
    FEP Super Member gr79's Avatar
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    Cannot recall any markings on ends of cam. Could be some.
    I set timing to what the particular engine likes. Mine is around 12-14-16. Notes say 16.
    Hardly runs at stock factory setting of 6?.
    Timing is set at max with no pinging on regular 87. Timing light used to check not set.
    Timed it by driving around town various conditions over few weeks. Roadside adjustments.
    Have not touched dist and timing since 2000.
    New timing belt 2019. The yellow marks i added to index the sprockets were still readable.
    Last compression ck was 150-165 cold. 165k miles. good power, 20+ mpg.
    Running stock AWSF 32. Vac reading at idle warm engine 1000 rpm is steady 18".
    Steady cruise on eway or road vac is 10"+.

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